point loma wastewater treatment plant process...r m e t r o p o l i t a n b io s o l i d s c e n t e...

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Point Loma Wastewater Treatment Plant Process [ Influent Screens r---' lhr: ... _.l'l!'it(:o'l.·atr.' Lhro .. 1gh .i::l -:;cu:Hm lt1;u col anc removt:!s In gt:! Grit Cham bar In t 11c grit n1ber herwy ct!'t:ris. sur:l1 "' __ _. sane, .o Jre hnt:-on· r.-t tt"P. tr.nk w i 1. i u: rno'.'( :d Primary Clarifier lu !Jr }' .: hei.l\:y part i·:-1-a.=; ell .os c1ir. ::oink UJ Uu: bnt:-cHn of la'"ge tcmk-s i::·.m.J cr removed. r Waste Gas Burners Anaerobic Digesters t K-::e:c;s ::J05 r..tJn no: ::.c Orgrt nic matter is n1 cc:genel.:ilu;n 1:, L1Hl\w'ttr lu rnt-il :lJr··.ed off. t.ncl h mol 1 /""-..___?' Cogeneration Gas Utilization Facility 1 --- The 1rn.:I1Dne genen.ted in :1inr:'itc':r:, i:c; .- Lo ly i:t ·ld tiW!Tl&l &nerg •. Effluent Bar Screens 1!: 'I" Sl Lh "01..-;:!h S•:; ·ee ·1 that collor:or.t.!. an:-J ' & 1""\-:)v&i do?.b 1'>.

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Point Loma Wastewater Treatment Plant Process

[Influent Screens r--- lhr _llit(olmiddotatr i~ tir~shy

~tonl Lhro1gh il -cuHm lt1u col ect~ anc removts Ingt C(~trii

Grit Chambar In t 11c grit -~11~n1ber

herwy cttris surl1 __ _ sane ~ILLie o Jre

hnt-onmiddot r-t ttP trnk w middotu~rc i1 i ~ urno(d

Primary Clarifier lu Jr in1e~r ~lrnmL

heily partimiddot-1-a= ~1ell os c1ir oink UJ Uu bnt-cHn of lage tcmk-s imiddotmJ cr ~

removed

r Waste Gas Burners

Anaerobic Digesters t K-ecs J05 th~ rtJn no c Orgrt nic matter is J~eLI n1 ccgenelilun 1 L1Hlwttr l~d lu rnt-il hrn~ ~pt- lJrmiddotmiddoted off car~3n -~ioxicl8 tncl h mol ~middot

1 -___ Cogeneration Gas

Utilization Facility1--- The 1rnI1Dne g~s genented in __the~ 1inritcr ic ~rllr-rc ~nl1

- ccrmiddotverl~d Lo tol~dmiddot ly it middotld tiWTlampl ampnerg bull

Effluent Bar Screens Ttmiddot~ bullAbulln-~middotmiddotrntr 1 I Sl $~lll Lh 01-h ~ Sbull middotee middot1 that collorort an -J amp1-)vampi hlf~JP dob 1gt

Met

ropolitan Biosolids Center

RECORDS

RECORDS

S7

MBC

MW_MOC1VOL2GROUPSRESRCDEVMWWDFlowChartsPt Loma FlowchartPLflowchartE sheet plotaiver 12_42600ew

Arizona Landfill

This way to Monitor II Hauling OCEAN S11

Scum Containment (Scum Trailer)

AIR Power Utility Outfall

Scum Heating

Scum Pumping Plant Power Distribution Grid

Scum Concentration Process

Waste Gas Burning

Sample Taking Water Heating S8

Heat Exchanging

Electrical Distribution

Records Electrical Generation

Biosolids Transfer Process

Biosolids Disposal Process

Gas Utilization Process

Gas Distribution

GUF Central Boiler Facility

Biosolids Grinding

Main Disposal Pumping

Transference Pumping

Holding Tanks

S6 Anaerobic Digestion Process

(Screening)

(Heat Exchanging)

Raw Sludge Pumping

Digestion

Mixing

Sludge Recirculation Pumping

Gas Mixing

Heating

Boilers

Heat Exchanging

Gas Utilization Facility (GUF)

S5

S4

Sedimentation Process

Sludge Collection

Raw Sludge Hopper

ScumSludge Collector Mechanisms

Flow BafflingSolids Flocculation

Scum Collection

Collection Hoppers

Wet Well

Collection Spraying

Collection Troughs

Effluent

Treated Wastewater Effluent Discharge Process

NorthSouth Effluent Screening

Throttling Valves

Sampling Process

Effluent Sample Station

S10

S9

S9 Landfill Landfill Hauling Hauling Local Local

Records

Cut-Throat Flumes

Polymer Addition

Influent Channel Flow Equalization

Structure

Aeration Ferric Chloride

Addition (0-25)

Grit Tanks

Grit Aeration

Grit Pumping

Grit Dewatering (Hydrogritters Classifiers)

Parshall Flumes

Ferric Chloride Addition

(75-100)

Influent Sample Station

Sample Taking

Rag Removal

Collection amp Moisture Reduction (Screening Presses 2000)

Conveyance

S3 Chemical Coagulation

Process (Anionic Polymer)

Wastewater Distribution

Chemical Coagulation Process (Secondary Application Point- FeCl3) Grit

Removal Process Flow Metering amp

Chemical Coagulation Process (Primary Application Point- FeCl3)

S2

Sampling Process

S1 Influent Screening Process

Point Loma Wastewater Treatment Plant

AIR Sample Chemical Sample

Ferric Chloride Addition

Odor Removal Process

Foul Air Collection

Chemical Scrubbers (Hydrogen Peroxide amp Caustic Soda

2000 Sodium Hypochlorite)

Carbon Adsorption

Treated Air Discharge

Digester Gas

Heated Water

Electricity

Treated Effluent Wastewater

Polymer

Ferric Chloride

Treated Air

Flare Discharge

Influent Wastewater

Grit

Rags

Biosolids

Scum

Records

Simultaneous Odor Removal Process

Sludge Sampleeh

Raw Wastewater Pumping

Raw Wastewater Pumping

Screening

Screening

Ferric Chloride Addition

Pump Station 2

Legend Pump Station 1

All priority pollutants and other chemicals of concern are tested and the results compared to our discharge standards and reported to state and national regulators The removal rates for solids on BOD are used by Operations to guide adjustments to the treatment plant

Ocean water sediments and fish tested to see if our discharge has an impact

Monitor II

S10

S11

Digester gas tested for percent methane to determine if the microbial populations in the digester are in proper balance and to indicate fuel value of digester gas Hydrogen Sulfide tested to determine the corrosivity of the gas to the power generation equipment and air pollution potential

Final Biosolids tested for all EPA and health dept standards to determine the best beneficial reuse options

S8

S7

specification testing done

Contract specifications tests run on Ferric Chloride

Digester volatile acids pH and alkalinity tested to determine if this feed rate temperature and mixing are in the correct balance for the right microbial population to digest the sludge

Total and volatile solids tested to later determine if solids reduction meets treatment standard

S3

S2

S5

S4

percent moisture tested to assure that landfill criteria are met

S9

Volatile solids tested and removal rates used to determine how well the sludge was stabilized and if it meets EPA standards for nuisance amp biological hazard reduction

S6 Suspended solids and BOD as well as all permit required parameters tested to show plant removal efficiencies

S1

Wastewater Laboratory Testing

POINT LOMA TREATMENT PLANT PROCESS FLOW DIAGRAM

III Plant Operations Summary A Flows B Rain Days C Solids Production D Chemical usage E Gas Production F Graphs of Chemical Usage G Facilities Out-of-Service Report H Grit Analyses I Raw Sludge Data Summary J Digester and Digested Sludge Data Summary

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3155

--- -------- -------- -------- -------- --------

-------- -------- -------- -------- --------

--- ------- ------- ------- ------- -------

------- ------- ------- ------- -------

A Flows

Point Loma Wastewater Treatment Plant Annual Monitoring Report

Flow Report - 2002

WASTEWATER FLOWS Daily Average Flows - Millions of Gallons

Pt L Pt L PS2 PS2 PS1 Mon Gould ADS Flow Pumps Flows

01 1711 1698 1681 1680 612 02 1703 1734 1726 1726 608 03 1718 1756 1758 1758 615 04 1714 1750 1716 1716 644 05 1651 1698 1626 1626 613 06 1685 1716 1658 1624 609 07 1682 1769 1630 1635 612 08 1658 1738 1680 1646 582 09 1674 1746 1700 1685 610 10 1666 1735 1653 1648 602 11 1688 1772 1689 1827 597 12 1713 1804 1713 1826 604

avg 1689 1743 1686 1700 609 sum 20263 20917 20229 20399 7306

WASTEWATER FLOWS Monthly Total Flows - Millions of Gallons

Pt L Pt L PS2 PS2 PS1 Mon Gould ADS Flow Pumps Flows

01 5133 4755 5210 5210 1896 02 4599 4681 2934 2934 1701 03 5326 5445 5451 5451 1905 04 4971 5250 5148 5149 1932 05 5117 5264 5040 4877 1900 06 5054 4461 4973 4872 1826 07 5215 3361 5053 4905 1896 08 5140 5388 5207 4610 1804 09 5022 5238 5100 1180 1829 10 5163 5379 5125 5109 1865 11 5065 5316 5068 5482 1792 12 5309 5593 5309 5662 1873

avg 5093 5011 4968 4620 1852 sum 61115 60132 59618 55441 22219

NOTES The flows taken at the Pt Loma WWTP are from the Parshall flumes at the headworks Water depth in the flume is measured by 2 meters The Gould meters measure water pressure The ADS meters are sonar devices that measure the distance of the water level below the meter The flows through Pump Station II(PS2) are from venturi meters PS2 flow is the flow from the totalizer to which all of the venturi meters feed PS2 Pumps is the sum of the readings on the individual venturi meters which are connected to each of the pumps at the pump station PS1 is the flow from the venturi meters at Pump Station 1

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3156

JAN

FEB

MAR APR

MAY

JUN

JUL

AUG SE

P OCT

NOV DEC

Point Loma Wastewater Treatment Plant 2002 Daily Flows (mgd)

2200

2000

1800

Flo

w (m

gd)

1600

1400

1200

1000

Date

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3157

5

10

15

20

25

30

Point Loma Wastewater Treatment Plant

2002 Flows (mgd) Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

1 1601 1718 1666 1670 1674 1676 1724 1595 1585 1656 1608 1713 2 1667 1704 1687 1685 1703 1691 1667 1637 1726 1628 1668 1655 3 1702 1731 1755 1664 1690 1684 1619 1649 1678 1663 1696 1707 4 1778 1754 1698 1705 1705 1608 1676 1672 1665 1679 1665 1705

1694 1694 1661 1707 1704 1619 1616 1654 1672 1688 1680 1668 6 1715 1690 1675 1729 1715 1729 1676 1690 1672 1696 1657 1678 7 1729 1707 1713 1765 1618 1703 1642 1682 1781 1675 1665 1693 8 1682 1641 1711 1737 1601 1688 1692 1664 1732 1674 1694 1689 9 1687 1747 1737 1730 1649 1665 1655 1670 1696 1634 1886 1674

1724 1744 1791 1668 1611 1704 1657 1681 1649 1668 1839 1693 11 1670 1693 1725 1657 1632 1674 1688 1663 1663 1661 1799 1636 12 1729 1646 1681 1733 1636 1667 1714 1715 1633 1730 1716 1651 13 1711 1663 1702 1694 1640 1697 1742 1649 1667 1677 1718 1661 14 1766 1716 1720 1707 1653 1703 1705 1663 1676 1702 1728 1678

1689 1697 1683 1734 1609 1741 1726 1664 1669 1657 1660 1637 16 1676 1685 1720 1689 1654 1712 1697 1633 1685 1634 1681 1763 17 1697 1676 1771 1714 1618 1729 1713 1656 1678 1683 1707 1862 18 1715 1778 1819 1691 1682 1724 1724 1644 1653 1644 1683 1741 19 1685 1710 1753 1674 1696 1698 1681 1645 1674 1692 1678 1784

1719 1684 1745 1697 1673 1720 1672 1652 1640 1709 1677 1839 21 1762 1715 1728 1728 1615 1682 1646 1632 1686 1672 1662 1872 22 1680 1675 1732 1754 1623 1651 1682 1647 1733 1653 1651 1794 23 1693 1713 1703 1712 1643 1664 1697 1648 1688 1652 1646 1752 24 1722 1740 1747 1731 1628 1691 1681 1678 1655 1630 1708 1725

1686 1701 1738 1699 1577 1664 1707 1654 1674 1646 1664 1570 26 1706 1688 1737 1743 1585 1627 1686 1693 1653 1647 1651 1634 27 1734 1722 1708 1779 1700 1642 1694 1663 1636 1706 1636 1725 28 1814 1677 1707 1762 1629 1642 1668 1682 1645 1669 1650 1690 29 1669 1625 1765 1663 1743 1705 1642 1664 1618 1549 1725

1747 1741 1697 1594 1702 1654 1642 1696 1679 1730 1727 Annual 31 1752 1678 1754 1644 1650 1612 1755 Summary

Average 1710 1704 1718 1714 1651 1685 1682 1658 1674 1666 1688 1713 1688 Minimum 1601 1641 1625 1657 1577 1608 1616 1595 1585 1612 1549 1570 1549 Maximum 1814 1778 1819 1779 1754 1743 1742 1715 1781 1730 1886 1872 1886 Total 53000 47705 53257 51420 51170 50539 52150 51405 50224 51633 50650 53094 616246

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3158

1 2 3 4 5 6 7 8 9 10 11 12

Point Loma Wastewater Treatment Plant 2002 Dry Daily Flows (mgd)

150

155

160

165

170

175

180

185

190

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

Date

Flo

w (M

illio

n G

allo

ns

Day

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3159

5

10

15

20

25

30

Point Loma Wastewater Treatment Plant 2002 Dry Flows (mgd)

Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1 1601 2 1667 3 4 1778

1694 6 1715 7 1729 8 1682 9 1687

1724 11 1670 12 1729 13 1711 14 1766

1689 16 1676 17 1697

1718 1704 1731 1754 1694 1690 1707 1641 1747 1744 1693 1646 1663 1716 1697 1685

1666 1687 1755 1698 1661 1675

1737 1791 1725 1681 1702 1720

18 19 1685

1719 21 1762 22 1680 23 1693 24 1722

26 1706 27 1734

1710 1753 1684 1745 1715 1728 1675 1732 1713 1740 1701 1738 1688 1737 1722 1708

28 1677 1707 29

1747 1741 31 1752 1678

1670 1685 1664 1705 1707

1765 1737 1730 1668 1657 1733 1694 1707

1689

1691 1674 1697 1728 1754 1712

1699

1762 1765

1674 1703 1690 1705 1704 1715 1618 1601 1649 1611 1632 1636 1640 1653 1609 1654 1618 1682 1696 1673 1615 1623 1643 1628 1577 1585 1700 1629 1663 1594 1754

1676 1691 1684 1608 1619 1729 1703

1704 1674 1667 1697 1703 1741 1712 1729 1724 1698 1720

1651 1664 1691 1664 1627 1642 1642 1743 1702

1724 1667 1619 1676 1616 1676 1642 1692 1655 1657 1688 1714 1742 1705 1726 1697 1713 1724 1681 1672 1646 1682 1697 1681 1707 1686 1694 1668 1705 1654 1644

1595 1585 1608 1713 1637 1726 1628 1668 1655 1649 1678 1663 1696 1707 1672 1665 1679 1665 1705 1654 1688 1680 1668

1696 1657 1678 1682 1675 1693 1664 1732 1674 1689 1670 1696 1634 1674 1681 1649 1668 1839 1693 1663 1663 1661 1799 1636 1715 1633 1730 1716 1651 1649 1667 1677 1718 1661 1663 1676 1702 1728 1678 1664 1669 1657 1660 1637 1633 1685 1681 1656 1678 1683 1707 1644 1653 1644 1683 1645 1674 1692 1678 1784 1652 1640 1709 1677 1632 1686 1672 1662 1647 1733 1653 1651 1648 1688 1652 1646 1752 1678 1655 1630 1708 1725 1654 1674 1664 1570 1693 1653 1634 1663 1636 1706 1725 1682 1645 1669 1690 1642 1618 1642 1679 1730 1727 1650 1612 1755

Average 1708 1702 1717 1708 1651 1685 1682 1657 1670 1669 1692 1687 Minimum 1601 1641 1661 1657 1577 1608 1616 1595 1585 1612 1608 1570 Maximum 1778 1754 1791 1765 1754 1743 1742 1715 1733 1730 1839 1784 Total 44415 44251 37764 39293 51170 45505 52150 49715 41739 45052 38919 40498

Annual Summary 1686 1570 1839

530469

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3160

B Rain Days

Total Precipitation =423 A Maximum = 083A Trace = T

First Quarter

Second Quarter

Third Quarter

Fourth Quarter

Date Rain Date Rain Date Rain Date Rain

3-Jan-02 18-Jan-02 25-Jan-02 28-Jan-02 29-Jan-02 17-Feb-02 18-Feb-02 7-Mar-02 8-Mar-02

15-Mar-02 16-Mar-02 17-Mar-02 18-Mar-02 23-Mar-02 24-Mar-02 29-Mar-02

014 T T

012 006 017

T 003 001 002 002 031 006

T 001

T

6-Apr-02 15-Apr-02 17-Apr-02 24-Apr-02 26-Apr-02 27-Apr-02 30-Apr-02 8-Jun-02 9-Jun-02

21-Jun-02

009 005 002 022 025

T T T T T

6-Aug-02 5-Sep-02 6-Sep-02 7-Sep-02

29-Sep-02 30-Sep-02

T T

013 018

T T

1-Oct-02 16-Oct-02 25-Oct-02 26-Oct-02 7-Nov-02 8-Nov-02 9-Nov-02

26-Nov-02 27-Nov-02 28-Nov-02 29-Nov-02 16-Dec-02 17-Dec-02 18-Dec-02 20-Dec-02 21-Dec-02 22-Dec-02 29-Dec-02

001 T T

003 T

013 007

T T

002 01 04

005 005 043 082

T 023

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3161

----- ------------ ----------- ------------ ----------- ------------ ------- --------- --------

------------ ----------- ------------ ----------- ------------ ------- --------- --------

----- ----------- ----- -------- ----------- ---- -------- ----------- ----- -------- --------- ----- ----------

----------- ----- -------- ----------- ---- -------- ----------- ----- -------- --------- ----- ----------

C Solids Production Point Loma Annual Monitoring Report

Solids Report ndash TOTALS

From 01-JAN-2002 To 31-DEC-2002

PtLoma MBC MBC Pt Loma Digested Combined Dewatered

Raw sludge Sludge Centrate Sludge Month Gallons Tons Gallons Tons Gallons Tons Wet Tons Dry Tons

01 30429127 5700 30291000 3062 66909000 740 10369 3029 02 26174515 4842 24508495 2513 59152000 526 8256 2112 03 34058333 5787 35010604 3247 72798000 728 9444 2912 04 35604478 5665 35384584 3134 71163000 762 9856 2922 05 34917761 5909 34775000 3263 69443700 776 10514 3129 06 35199170 5849 34825495 3304 64684400 662 10127 2997 07 34471522 6281 33632440 3366 54870000 822 10811 3040 08 35348030 6009 33550270 3300 72322652 870 11438 3269 09 34478353 5679 33285170 3199 71814347 841 10466 2969 10 34999803 5775 34089320 3245 71192444 809 11515 3301 11 34802038 5607 33722070 3168 73304527 839 9776 2992 12 35770257 5855 34582330 3259 75182463 896 11047 3373

avg 33854449 5747 33138065 3172 68569711 773 10302 3004 sum 406253387 68959 397656778 38060 822836533 9272 123618 36045

Solids Report - Daily Averages by Month From 01-JAN-2002 To 31-DEC-2002

PtLoma MBC MBC Pt Loma Digested Combined Dewatered

Raw sludge Sludge Centrate Sludge Month Gallons TS Tons Gallons TS Tons Gallons TS Tons Wet Tons TS Dry Tons

01 981585 45 184 977129 24 98 2158355 030 239 346 292 1010 02 934804 44 175 875303 25 87 2112571 020 188 295 287 812 03 1098656 41 188 1129374 22 107 2348323 020 235 305 309 1004 04 1186816 38 187 1179486 21 105 2372100 030 254 329 297 974 05 1126379 41 191 1121774 23 105 2240119 030 250 339 300 1009 06 1173306 40 194 1160850 23 110 2156147 030 245 338 294 999 07 1111985 44 203 1084917 24 109 1770000 040 265 349 283 981 08 1140259 41 193 1082267 24 105 2332989 030 281 369 285 1055 09 1149278 40 190 1109506 23 106 2393812 030 280 349 283 990 10 1129026 40 187 1099655 23 106 2296531 030 261 371 288 1065 11 1160068 39 187 1124069 23 106 2443484 030 280 326 305 997 12 1153879 39 188 1115559 23 103 2425241 030 289 356 307 1088

avg 1112170 41 189 1088324 23 104 2254139 029 256 339 294 999

Note A ton is a Ashort ton or 2000 lbs of dry solids Values for Wet Tons of dewatered sludge are based on calculated volumes from eight positive displacement cake pumps and are subject to inaccuracies The mechanical condition of the cake pumps and the variability of sludge concentrations can effect the overall accuracies of these reported values

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3162

----- ---------- ---------- ---------- ---------- ---------- --------- --------- --------- ------------ ------------ ------------ -------- ------- --------

---------- ---------- ---------- ---------- ---------- --------- --------- --------- ------------ ------------ ------------ -------- ------- --------

D Chemical usage Point Loma Annual Chemical Usage Report

Monthly Totals - 2002

ACTIVE Ferric Ferric Sodium Sodium Sodium Sodium Sodium Sodium Polymer Polymer Polymer Chloride Chloride hydroxide hydroxide hydroxide Hypochlorite Hypochlorite Hypochlorite Salt Salt Salt PtLoma PtLoma PtLoma PS 2 PtLoma PS 1 PS 2 PtLoma PS 1 PS 2 PtLoma PS 1 PS 2 PtLoma

Month Gallons Lbs Lbs Gallons Gallons Gallons Gallons Gallons Gallons Gallons Gallons Lbs Lbs Lbs

01 76736 671975 61188 201146 850 4795 100 26203 1800 17050 02 70651 618690 56021 177482 575 4648 37961 700 15400 03 75480 660981 63349 204324 300 5638 37910 550 17050 04 73720 645565 58126 192712 3272 39683 300 15950 05 76116 666547 72226 192951 215 7131 135 47972 17050 06 122520 6476 68567 192827 175 5693 825 39989 1800 7000 07 142124 5982 72249 206642 350 7152 900 48248 1400 0 08 136059 5724 73129 208179 225 6112 800 210 61481 950 8500 09 150026 6316 69689 217511 200 51 4701 1550 25 58079 1250 15000 10 154063 6484 72073 224547 125 5375 735 70 57716 500 15500 11 150367 6329 70459 220585 229 1052 4384 900 1555 36872 800 1500 15000 12 157707 6639 68999 229242 275 255 4612 5525 3547 26450 200 2200 15500

avg 115464 652752 6279 67173 205679 320 453 5293 1274 1081 43214 932 1850 13250 sum 1385568 3263758 43950 806075 2468148 3519 1358 63513 11470 5407 518564 10250 3700 159000

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3163

----- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -------- -------- -------- -----------

---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -------- -------- -------- -----------

----- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ------------- -------- -------- -------- ----------

---------- ---------- ---------- ---------- ---------- ---------- ---------- ------------- -------- -------- -------- ----------

E Gas Production Point Loma Wastewater Treatment Plant

Gas Report ndash 2002

Daily Monthly Averages

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 6614 8563 4082 9935 1406 29193 209 1659 1106 2975 02 6163 7614 4237 8796 1565 26810 246 1506 1144 2896 03 4925 6487 4427 7669 694 23508 174 1212 1685 3072 04 5131 6265 4019 6696 665 22111 150 1184 1723 3057 05 5170 6319 3992 6689 532 22169 38 2047 1061 3146 06 5163 6321 0 0 4037 6719 463 22241 17 1631 1435 3083 07 5257 6396 0 0 4073 6404 531 22130 30 1331 1755 3117 08 4988 6338 0 0 3877 5318 556 20520 37 1203 1752 2991 09 4972 6103 0 0 3644 4707 525 19426 42 1296 1547 2884 10 4700 5910 0 0 3880 5717 526 20207 43 1157 1632 2831 11 4914 6191 0 0 4152 6180 511 21436 10 1230 1694 2935 12 5048 6328 0 0 4278 6273 699 21926 161 1271 1524 2956

avg 5254 6570 0 0 4058 6758 723 22640 96 1394 1505 2995

Monthly Totals

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 205020 265460 126540 307970 43580 904990 6481 51433 34300 92214 02 172570 213180 118640 246290 43810 750680 6900 42159 32037 81096 03 152660 201090 137250 237750 21499 728750 5406 37572 52249 95227 04 153920 187960 120570 200880 19939 663330 4488 35526 51695 91709 05 160260 195880 123740 207370 16482 687250 1180 63459 32898 97537 06 154895 189634 0 0 121124 201564 13888 667217 504 48929 43056 92489 07 162980 198280 0 0 126270 198510 16460 686040 944 41273 54408 96625 08 154620 196470 0 0 120180 164850 17240 636120 1138 37280 54303 92721 09 149150 183100 0 0 109310 141220 15760 582780 1245 38878 46404 86527 10 145690 183210 0 0 120290 177220 16310 626410 1325 35858 50584 87767 11 147420 185720 0 0 124550 185390 15340 643080 300 36907 50833 88040 12 156480 196170 0 0 132620 194450 21670 679720 4989 39391 47244 91624

avg 159639 199680 0 0 123424 205289 21832 688031 2908 42389 45834 91131 sum 1915665 2396154 0 0 1481084 2463464 261978 8256367 34900 508665 550011 1093576

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3164

F Graphs of Chemical Usage

Point Loma - 2002 Ferric Chloride

50000

55000

60000

65000

70000

75000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Salt

9000

10000

11000

12000

13000

14000

15000

16000

17000

18000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3165

Point Loma - 2002 Sodium Hydroxide

4000

4500

5000

5500

6000

6500

7000

7500

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Polymer Active Polymer

0

100000

200000

300000

400000

500000

600000

700000

800000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3166

Point Loma - 2002 Sodium Hypochlorite

20000

25000

30000

35000

40000

45000

50000

55000

60000

65000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3167

G Facilities Out-of-service report (2002) Facilities that were out of service In 2002 by date

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 9 0101 0919 Contractor workpreventive

maintenance Sed Basin 10 0101 1219 Contractor workpreventive

maintenance Sed Basin 11 0101 0106 Poor removals Sed Basin 12 0101 1231 Contractor work Influent Screen 5 0101 0118 Maintenance SEOC 0103 0608 Contractor Sed Basin 7 0107 0222 Broken Flights Influent Screen 2 0118 0128 Maintenance Influent Screen 4 0128 0129 Maintenance Sed Basin 11 0128 1231 Contractor work Influent Screen 2 0129 0327 Maintenance East Influent Channel 0201 0605 Grit Scouring Sed Basin 1 0315 0319 Water line repair Influent Screen 3 0328 0521 Repair Sed Basin 3 0402 0403 Polymer line repair N1 Grit Basin 0507 0507 Line repair N2 Grit Basin 0512 0513 Line repair Influent Screen 1 0521 1002 Maintenance West Influent Channel

0605 0709 Grit scouring

C2 Grit Basin 0614 0614 Weld grit hopper East Influent Channel 0709 0828 Grit scouring Sed Basin 8 0718 0725 Object Retrieval N2 Grit Basin 0731 0731 Line repair West Influent Channel

0828 0925 Grit scouring

N2 Grit Basin 0902 0902 Line repair N1 Grit Basin 0903 0904 Line repair and equipment check N2 Grit Basin 0903 0904 Line repair and equipment check C1 Grit Basin 0903 0904 Line repair and equipment check C2 Grit Basin 0903 0904 Line repair and equipment check Sed Basin 1 0920 0924 Scum weir repair East Influent Channel 0925 1024 Grit scouring Sed Basin 6 0924 1005 Preventive Maintenance and scum

repair SEOC 1001 1001 Contractor Work Sed Basin 9 1005 1010 No raw sludge pumps available Sed Basin 6 1010 1219 Broken flights and scum repair West Influent Channel

1024 1127 Grit scouring

N2 Grit Basin 1125 1125 Line repair East Influent Channel 1127 1219 Grit Scouring N2 Grit Basin 1209 1211 Line repair Sed Basin 5 1219 1231 Preventive Maintenance and scum

repair West Influent Channel

1219 1231 Grit Scouring

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3168

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 8 1219 1231 Flight and scum trough repair

GRIT CHAMBERS N1 57 93-94 N2 512-513 92 93-94 1125 129-1211

C1 93-94 C2 614 93-94 S1 101-1231 S2 101-1231

CHANNELS

BASINS

EAST 21-65 79-828 925-1024 1127-1219

WEST 65-79 828-925 1024-1127 1219-1231

1 315-319 920-924 2 3 42-43

4 5 1219-1231 6 924-105 1010-1219 7 17-222 8 718-725 1219-1231 9 11-919 105-1010 10 11-1219 11 11-16 128-1231 12 11-1231

NORTH EFFLUENT SCREENS 11-13 SOUTH EFFLUENT SCREENS 13-68 101 INFLUENT SCREEN 1 521-102 INFLUENT SCREEN 2 118-128 129-327 INFLUENT SCREEN 3 328-521 INFLUENT SCREEN 4 128-129 INFLUENT SCREEN 5 11-118

DIGESTERS N1P N2P C1P 0101-1231 C2P 0101-1231 S1P S2P Dig 7 Dig 8 0101-0218 (New construction)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3169

SHUTDOWNS DATE FROM TO REASON

0105 0200 0430 Pump Station 2 work 0126 0200 0500 Build bulkhead in channel 0127 0200 0615 Build bulkhead in channel 0128 0200 0615 Build bulkhead in channel 0427 0130 0545 Pump Station 2 work 0829 0200 0600 Pump Station 2 work 0830 0200 0600 Pump Station 2 work 1005 0100 0515 Pump Station 2 work 1006 0100 0545 Pump Station 2 work 1115 0100 0430 Pump Station 2 work 1213 0100 555 Pump Station 2 work

1214 0055 0515 Pump Station 2 work

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3170

H Grit Analyses The following are reports of the analyses of grit samples taken from the Pt Loma WWTP headworks (grit removal chambers) in 2002 Reports include Title 22 analyses and Total Solids Although everywhere else in this report PLR refers to Point Loma WWTP raw Influent sewage in this section it refers to the grit removed from the grit chambers at the headworks building at the influent end of the plant Samples from the grit bins are taken daily for 7-8 consecutive days and composited together to form the annual sample

Point Loma Wastewater Treatment Plant Total Solids - Grit and Rags 2002 (WT)

Grit Monthly Averages

Rags Monthly Averages

JAN 496 JAN 449 FEB 470 FEB 416 MAR 494 MAR 450 APR 562 APR 436 MAY 624 MAY 480 JUN 532 JUN 446 JUL 540 JUL 415 AUG 568 AUG 422 SEP 519 SEP 490 OCT 628 OCT 420 NOV 568 NOV 485 DEC 558 DEC 373 AVG 547 AVG 440

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3171

Point Loma Wastewater Treatment Plant 2002 Grit Total Solids (WT) at Point Loma

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day WT WT WT WT WT WT WT WT WT WT WT WT

1 490 517 396 474 697 452 551 475 448 525 710 541 2 420 489 501 464 647 458 490 512 461 447 659 685 3 490 468 453 461 692 553 482 526 495 506 561 570 4 428 411 453 449 631 418 475 563 520 665 692 523 5 463 469 495 427 630 502 451 517 532 523 695 588 6 454 427 477 458 613 519 454 517 505 662 683 516 7 477 461 527 421 483 422 539 492 488 510 545 568 8 424 507 630 461 720 604 569 502 568 418 526 557 9 466 522 605 535 630 389 688 564 549 494 536 480

10 395 456 476 414 622 487 552 668 639 673 566 11 441 446 432 548 615 513 469 753 440 586 460 12 434 439 409 664 439 504 593 662 512 768 651 501 13 585 451 409 600 642 688 672 499 789 656 492 14 525 464 500 595 680 566 726 502 517 601 592 15 524 441 442 493 444 652 572 495 663 528 424 16 418 475 470 600 670 679 543 665 481 501 17 498 570 565 709 632 697 527 509 518 532 18 487 503 436 654 663 709 626 518 717 681 518 19 436 453 482 464 658 468 556 736 465 784 20 506 418 521 571 605 538 634 573 650 501 608 21 484 425 474 528 660 487 554 494 494 683 515 509 22 547 479 474 636 552 524 493 702 533 542 23 592 503 554 631 695 452 560 509 685 565 568 24 456 490 524 526 499 489 561 620 818 474 501 25 552 405 460 696 632 588 487 582 434 627 535 443 26 631 535 539 601 548 516 514 762 554 355 27 516 459 564 655 671 551 555 506 492 530 616 701 28 547 486 452 768 551 521 493 623 523 567 735 29 595 478 652 470 569 555 490 701 458 518 30 485 606 706 731 483 580 532 521 637 384 680 31 598 509 485 556 495 722 760

Avg 496 470 494 562 624 532 540 568 519 628 568 558 Min 395 405 396 414 439 389 451 475 434 418 384 355 Max 631 570 630 768 731 688 709 753 639 818 710 784

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3172

Title 22 reports for Grit POINT LOMA WASTEWATER TREATMENT PLANT

CALIFORNIA HAZARDOUS WASTE IDENTIFICATION TESTS (Title 22) Point Loma Quarterly Grit Composite

From 01-OCT-2002 to 31-DEC-2002 Sampled by Point Loma Operations Analyzed by BOAG8CJRFJZIIENLXPDXSJRVTSBHHBKODEVL Source PLR Sample ID P190180 Sample Date 14-OCT-2002

CA Healthamp INORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit 40 CFR 503 Safety Code

Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt Limits Limits Constituent MDL Units mgKg mgKg mgKg mgL mgL mgKg mgK g ===================== ==== ======== =========== =========== =========== =========== =========== =========== ============= Antimony 5 mgkg 11 7 500 15 Arsenic 33 mgkg 29 19 500 50 41 Barium 042 mgkg 79 50 10000 100 Beryllium 2 mgkg ND ND 75 075 Cadmium 5 mgkg 08 05 100 10 39 Chromium (VI) NA mgkg NA NA 500 50 Chromium 3 mgkg 26 17 2500 560 1200 Cobalt 8 mgkg ND ND 8000 80 Copper 2 mgkg 221 141 2500 25 1500 2500 Lead 5 mgkg 8 5 1000 50 300 350 Mercury 003 mgkg 01 01 20 02 17 Molybdenum 6 mgkg 3 19 3500 3500 Nickel 3 mgkg 13 8 2000 20 420 2000 Selenium 24 mgkg ND ND 100 10 36 Silver 3 mgkg ND ND 500 50 Thallium 10 mgkg ND ND 700 70 Vanadium 14 mgkg 108 69 2400 24 Zinc 4 mgkg 273 174 5000 250 2800 Fluoride NA mgkg NA NA 18000 180 Sulfides-Reactive mgkg NA NA NA Sulfides-Total mgkg NA NA NA Total Solids NA Wt 638 NA Total Volatile Solids NA Wt 253 pH NA pH Units 673 gt2 - lt 12 ===================== ==== ======== =========== =========== =========== =========== =========== =========== ===========

ORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt

Constituent MDL Units mgKg mgKg mgKg mgL mgL ================= ======== ===== =========== =========== =========== =========== =========== Aldrin 000002 mgKg ND ND 14 014 Chlordanes 0000014 mgKg ND ND 25 025 DDT DDE DDD 000004 mgKg 001080 000689 10 010 24-D 34 mgKg ND ND 100 10 Dieldrin 000002 mgKg ND ND 80 08 Endrin 000003 mgKg ND ND 02 002 Heptachlor 0000003 mgKg ND ND 47 047 Kepone NA mgKg NA ND 21 2 Lindane 000001 mgKg ND ND 40 04 Methoxychlor NA mgKg ND ND 100 10 Mirex 000002 mgKg ND ND 21 2 Pentachlorophenol 08 mgKg ND ND 17 17 PCBs (Arochlors) NA mgKg ND ND 50 50 Toxaphene 000024 mgKg ND ND 5 05 Trichloroethene 00253 mgKg ND ND 2040 204 245-TP 44 mgKg ND ND 10 1 ================= ======== ===== =========== =========== =========== =========== =========== ND= not detected NA = not analyzed = not reportable failed QC criteria

TTLC = Total Threshold Limit Concentration STLC = Soluble Threshold Limit Concentration WET = Waste Extraction Technique = The total concentration is less than 10 times the STLC Therefore by definition

this substance is present in concentrations that are less than the limits for hazardous wastes = Limits are in mgKg (dry weight) based on 40 CFR part 50313 Table 3 Limits for Land Application = The California State Health and Safety Code 251578 established lower a limit for Lead NA = Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required MDL = Method Detection Limit (are in mgKg per dry weight except for pH and Total and Volatile Solids) MBCDEWCN = Metro Biosolids Center Dewatered Centrifuged Sludge TTLC = Total Threshold Limit Concentration

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3173

POINT LOMA WASTEWATER TREATMENT PLANT QUARTERLY GRIT COMPOSITES Inorganics and Organics

From 01-JAN-2002 to 31-DEC-2002

GRIT COMP 14-OCT-2002

Analyte MDL Units P190180 ============================== ====== ===== ============ Aluminum 5 MGKG 3020 Antimony 5 MGKG 110 Arsenic 33 MGKG 287 Barium 042 MGKG 794 Beryllium 2 MGKG ND Cadmium 5 MGKG 08 Chromium 3 MGKG 26 Cobalt 8 MGKG ND Copper 2 MGKG 221 Iron 3 MGKG 12900 Lead 5 MGKG 8 Manganese 48 MGKG 151 Mercury 003 MGKG 014 Molybdenum 6 MGKG 32 Nickel 3 MGKG 13 Selenium 24 MGKG lt024 Silver 3 MGKG ND Thallium 10 MGKG ND Vanadium 14 MGKG 108 Zinc 4 MGKG 273 Fluoride MGKG NA Sulfides-Reactive MGKG NA Sulfides-Total MGKG NA pH PH 673 Total Solids 24 WT 638 Total Volatile Solids 11 WT 253 Aldrin 8000 MGKG ND 24-dichlorophenoxyacetic acid 684 MGKG ND Dieldrin 16000 MGKG ND Endrin 8000 MGKG ND Heptachlor 6000 MGKG ND Kepone MGKG NA BHC Gamma isomer 2000 MGKG ND Methoxychlor 71000 MGKG ND Pentachlorophenol 5850 MGKG ND Toxaphene 130000 MGKG ND Trichloroethene MGKG NA 245-TP (Silvex) 633 MGKG ND CyanidesTotal MGKG NA

NA= Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3174

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

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POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

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J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

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Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

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Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

Met

ropolitan Biosolids Center

RECORDS

RECORDS

S7

MBC

MW_MOC1VOL2GROUPSRESRCDEVMWWDFlowChartsPt Loma FlowchartPLflowchartE sheet plotaiver 12_42600ew

Arizona Landfill

This way to Monitor II Hauling OCEAN S11

Scum Containment (Scum Trailer)

AIR Power Utility Outfall

Scum Heating

Scum Pumping Plant Power Distribution Grid

Scum Concentration Process

Waste Gas Burning

Sample Taking Water Heating S8

Heat Exchanging

Electrical Distribution

Records Electrical Generation

Biosolids Transfer Process

Biosolids Disposal Process

Gas Utilization Process

Gas Distribution

GUF Central Boiler Facility

Biosolids Grinding

Main Disposal Pumping

Transference Pumping

Holding Tanks

S6 Anaerobic Digestion Process

(Screening)

(Heat Exchanging)

Raw Sludge Pumping

Digestion

Mixing

Sludge Recirculation Pumping

Gas Mixing

Heating

Boilers

Heat Exchanging

Gas Utilization Facility (GUF)

S5

S4

Sedimentation Process

Sludge Collection

Raw Sludge Hopper

ScumSludge Collector Mechanisms

Flow BafflingSolids Flocculation

Scum Collection

Collection Hoppers

Wet Well

Collection Spraying

Collection Troughs

Effluent

Treated Wastewater Effluent Discharge Process

NorthSouth Effluent Screening

Throttling Valves

Sampling Process

Effluent Sample Station

S10

S9

S9 Landfill Landfill Hauling Hauling Local Local

Records

Cut-Throat Flumes

Polymer Addition

Influent Channel Flow Equalization

Structure

Aeration Ferric Chloride

Addition (0-25)

Grit Tanks

Grit Aeration

Grit Pumping

Grit Dewatering (Hydrogritters Classifiers)

Parshall Flumes

Ferric Chloride Addition

(75-100)

Influent Sample Station

Sample Taking

Rag Removal

Collection amp Moisture Reduction (Screening Presses 2000)

Conveyance

S3 Chemical Coagulation

Process (Anionic Polymer)

Wastewater Distribution

Chemical Coagulation Process (Secondary Application Point- FeCl3) Grit

Removal Process Flow Metering amp

Chemical Coagulation Process (Primary Application Point- FeCl3)

S2

Sampling Process

S1 Influent Screening Process

Point Loma Wastewater Treatment Plant

AIR Sample Chemical Sample

Ferric Chloride Addition

Odor Removal Process

Foul Air Collection

Chemical Scrubbers (Hydrogen Peroxide amp Caustic Soda

2000 Sodium Hypochlorite)

Carbon Adsorption

Treated Air Discharge

Digester Gas

Heated Water

Electricity

Treated Effluent Wastewater

Polymer

Ferric Chloride

Treated Air

Flare Discharge

Influent Wastewater

Grit

Rags

Biosolids

Scum

Records

Simultaneous Odor Removal Process

Sludge Sampleeh

Raw Wastewater Pumping

Raw Wastewater Pumping

Screening

Screening

Ferric Chloride Addition

Pump Station 2

Legend Pump Station 1

All priority pollutants and other chemicals of concern are tested and the results compared to our discharge standards and reported to state and national regulators The removal rates for solids on BOD are used by Operations to guide adjustments to the treatment plant

Ocean water sediments and fish tested to see if our discharge has an impact

Monitor II

S10

S11

Digester gas tested for percent methane to determine if the microbial populations in the digester are in proper balance and to indicate fuel value of digester gas Hydrogen Sulfide tested to determine the corrosivity of the gas to the power generation equipment and air pollution potential

Final Biosolids tested for all EPA and health dept standards to determine the best beneficial reuse options

S8

S7

specification testing done

Contract specifications tests run on Ferric Chloride

Digester volatile acids pH and alkalinity tested to determine if this feed rate temperature and mixing are in the correct balance for the right microbial population to digest the sludge

Total and volatile solids tested to later determine if solids reduction meets treatment standard

S3

S2

S5

S4

percent moisture tested to assure that landfill criteria are met

S9

Volatile solids tested and removal rates used to determine how well the sludge was stabilized and if it meets EPA standards for nuisance amp biological hazard reduction

S6 Suspended solids and BOD as well as all permit required parameters tested to show plant removal efficiencies

S1

Wastewater Laboratory Testing

POINT LOMA TREATMENT PLANT PROCESS FLOW DIAGRAM

III Plant Operations Summary A Flows B Rain Days C Solids Production D Chemical usage E Gas Production F Graphs of Chemical Usage G Facilities Out-of-Service Report H Grit Analyses I Raw Sludge Data Summary J Digester and Digested Sludge Data Summary

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3155

--- -------- -------- -------- -------- --------

-------- -------- -------- -------- --------

--- ------- ------- ------- ------- -------

------- ------- ------- ------- -------

A Flows

Point Loma Wastewater Treatment Plant Annual Monitoring Report

Flow Report - 2002

WASTEWATER FLOWS Daily Average Flows - Millions of Gallons

Pt L Pt L PS2 PS2 PS1 Mon Gould ADS Flow Pumps Flows

01 1711 1698 1681 1680 612 02 1703 1734 1726 1726 608 03 1718 1756 1758 1758 615 04 1714 1750 1716 1716 644 05 1651 1698 1626 1626 613 06 1685 1716 1658 1624 609 07 1682 1769 1630 1635 612 08 1658 1738 1680 1646 582 09 1674 1746 1700 1685 610 10 1666 1735 1653 1648 602 11 1688 1772 1689 1827 597 12 1713 1804 1713 1826 604

avg 1689 1743 1686 1700 609 sum 20263 20917 20229 20399 7306

WASTEWATER FLOWS Monthly Total Flows - Millions of Gallons

Pt L Pt L PS2 PS2 PS1 Mon Gould ADS Flow Pumps Flows

01 5133 4755 5210 5210 1896 02 4599 4681 2934 2934 1701 03 5326 5445 5451 5451 1905 04 4971 5250 5148 5149 1932 05 5117 5264 5040 4877 1900 06 5054 4461 4973 4872 1826 07 5215 3361 5053 4905 1896 08 5140 5388 5207 4610 1804 09 5022 5238 5100 1180 1829 10 5163 5379 5125 5109 1865 11 5065 5316 5068 5482 1792 12 5309 5593 5309 5662 1873

avg 5093 5011 4968 4620 1852 sum 61115 60132 59618 55441 22219

NOTES The flows taken at the Pt Loma WWTP are from the Parshall flumes at the headworks Water depth in the flume is measured by 2 meters The Gould meters measure water pressure The ADS meters are sonar devices that measure the distance of the water level below the meter The flows through Pump Station II(PS2) are from venturi meters PS2 flow is the flow from the totalizer to which all of the venturi meters feed PS2 Pumps is the sum of the readings on the individual venturi meters which are connected to each of the pumps at the pump station PS1 is the flow from the venturi meters at Pump Station 1

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3156

JAN

FEB

MAR APR

MAY

JUN

JUL

AUG SE

P OCT

NOV DEC

Point Loma Wastewater Treatment Plant 2002 Daily Flows (mgd)

2200

2000

1800

Flo

w (m

gd)

1600

1400

1200

1000

Date

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3157

5

10

15

20

25

30

Point Loma Wastewater Treatment Plant

2002 Flows (mgd) Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

1 1601 1718 1666 1670 1674 1676 1724 1595 1585 1656 1608 1713 2 1667 1704 1687 1685 1703 1691 1667 1637 1726 1628 1668 1655 3 1702 1731 1755 1664 1690 1684 1619 1649 1678 1663 1696 1707 4 1778 1754 1698 1705 1705 1608 1676 1672 1665 1679 1665 1705

1694 1694 1661 1707 1704 1619 1616 1654 1672 1688 1680 1668 6 1715 1690 1675 1729 1715 1729 1676 1690 1672 1696 1657 1678 7 1729 1707 1713 1765 1618 1703 1642 1682 1781 1675 1665 1693 8 1682 1641 1711 1737 1601 1688 1692 1664 1732 1674 1694 1689 9 1687 1747 1737 1730 1649 1665 1655 1670 1696 1634 1886 1674

1724 1744 1791 1668 1611 1704 1657 1681 1649 1668 1839 1693 11 1670 1693 1725 1657 1632 1674 1688 1663 1663 1661 1799 1636 12 1729 1646 1681 1733 1636 1667 1714 1715 1633 1730 1716 1651 13 1711 1663 1702 1694 1640 1697 1742 1649 1667 1677 1718 1661 14 1766 1716 1720 1707 1653 1703 1705 1663 1676 1702 1728 1678

1689 1697 1683 1734 1609 1741 1726 1664 1669 1657 1660 1637 16 1676 1685 1720 1689 1654 1712 1697 1633 1685 1634 1681 1763 17 1697 1676 1771 1714 1618 1729 1713 1656 1678 1683 1707 1862 18 1715 1778 1819 1691 1682 1724 1724 1644 1653 1644 1683 1741 19 1685 1710 1753 1674 1696 1698 1681 1645 1674 1692 1678 1784

1719 1684 1745 1697 1673 1720 1672 1652 1640 1709 1677 1839 21 1762 1715 1728 1728 1615 1682 1646 1632 1686 1672 1662 1872 22 1680 1675 1732 1754 1623 1651 1682 1647 1733 1653 1651 1794 23 1693 1713 1703 1712 1643 1664 1697 1648 1688 1652 1646 1752 24 1722 1740 1747 1731 1628 1691 1681 1678 1655 1630 1708 1725

1686 1701 1738 1699 1577 1664 1707 1654 1674 1646 1664 1570 26 1706 1688 1737 1743 1585 1627 1686 1693 1653 1647 1651 1634 27 1734 1722 1708 1779 1700 1642 1694 1663 1636 1706 1636 1725 28 1814 1677 1707 1762 1629 1642 1668 1682 1645 1669 1650 1690 29 1669 1625 1765 1663 1743 1705 1642 1664 1618 1549 1725

1747 1741 1697 1594 1702 1654 1642 1696 1679 1730 1727 Annual 31 1752 1678 1754 1644 1650 1612 1755 Summary

Average 1710 1704 1718 1714 1651 1685 1682 1658 1674 1666 1688 1713 1688 Minimum 1601 1641 1625 1657 1577 1608 1616 1595 1585 1612 1549 1570 1549 Maximum 1814 1778 1819 1779 1754 1743 1742 1715 1781 1730 1886 1872 1886 Total 53000 47705 53257 51420 51170 50539 52150 51405 50224 51633 50650 53094 616246

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3158

1 2 3 4 5 6 7 8 9 10 11 12

Point Loma Wastewater Treatment Plant 2002 Dry Daily Flows (mgd)

150

155

160

165

170

175

180

185

190

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

Date

Flo

w (M

illio

n G

allo

ns

Day

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3159

5

10

15

20

25

30

Point Loma Wastewater Treatment Plant 2002 Dry Flows (mgd)

Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1 1601 2 1667 3 4 1778

1694 6 1715 7 1729 8 1682 9 1687

1724 11 1670 12 1729 13 1711 14 1766

1689 16 1676 17 1697

1718 1704 1731 1754 1694 1690 1707 1641 1747 1744 1693 1646 1663 1716 1697 1685

1666 1687 1755 1698 1661 1675

1737 1791 1725 1681 1702 1720

18 19 1685

1719 21 1762 22 1680 23 1693 24 1722

26 1706 27 1734

1710 1753 1684 1745 1715 1728 1675 1732 1713 1740 1701 1738 1688 1737 1722 1708

28 1677 1707 29

1747 1741 31 1752 1678

1670 1685 1664 1705 1707

1765 1737 1730 1668 1657 1733 1694 1707

1689

1691 1674 1697 1728 1754 1712

1699

1762 1765

1674 1703 1690 1705 1704 1715 1618 1601 1649 1611 1632 1636 1640 1653 1609 1654 1618 1682 1696 1673 1615 1623 1643 1628 1577 1585 1700 1629 1663 1594 1754

1676 1691 1684 1608 1619 1729 1703

1704 1674 1667 1697 1703 1741 1712 1729 1724 1698 1720

1651 1664 1691 1664 1627 1642 1642 1743 1702

1724 1667 1619 1676 1616 1676 1642 1692 1655 1657 1688 1714 1742 1705 1726 1697 1713 1724 1681 1672 1646 1682 1697 1681 1707 1686 1694 1668 1705 1654 1644

1595 1585 1608 1713 1637 1726 1628 1668 1655 1649 1678 1663 1696 1707 1672 1665 1679 1665 1705 1654 1688 1680 1668

1696 1657 1678 1682 1675 1693 1664 1732 1674 1689 1670 1696 1634 1674 1681 1649 1668 1839 1693 1663 1663 1661 1799 1636 1715 1633 1730 1716 1651 1649 1667 1677 1718 1661 1663 1676 1702 1728 1678 1664 1669 1657 1660 1637 1633 1685 1681 1656 1678 1683 1707 1644 1653 1644 1683 1645 1674 1692 1678 1784 1652 1640 1709 1677 1632 1686 1672 1662 1647 1733 1653 1651 1648 1688 1652 1646 1752 1678 1655 1630 1708 1725 1654 1674 1664 1570 1693 1653 1634 1663 1636 1706 1725 1682 1645 1669 1690 1642 1618 1642 1679 1730 1727 1650 1612 1755

Average 1708 1702 1717 1708 1651 1685 1682 1657 1670 1669 1692 1687 Minimum 1601 1641 1661 1657 1577 1608 1616 1595 1585 1612 1608 1570 Maximum 1778 1754 1791 1765 1754 1743 1742 1715 1733 1730 1839 1784 Total 44415 44251 37764 39293 51170 45505 52150 49715 41739 45052 38919 40498

Annual Summary 1686 1570 1839

530469

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3160

B Rain Days

Total Precipitation =423 A Maximum = 083A Trace = T

First Quarter

Second Quarter

Third Quarter

Fourth Quarter

Date Rain Date Rain Date Rain Date Rain

3-Jan-02 18-Jan-02 25-Jan-02 28-Jan-02 29-Jan-02 17-Feb-02 18-Feb-02 7-Mar-02 8-Mar-02

15-Mar-02 16-Mar-02 17-Mar-02 18-Mar-02 23-Mar-02 24-Mar-02 29-Mar-02

014 T T

012 006 017

T 003 001 002 002 031 006

T 001

T

6-Apr-02 15-Apr-02 17-Apr-02 24-Apr-02 26-Apr-02 27-Apr-02 30-Apr-02 8-Jun-02 9-Jun-02

21-Jun-02

009 005 002 022 025

T T T T T

6-Aug-02 5-Sep-02 6-Sep-02 7-Sep-02

29-Sep-02 30-Sep-02

T T

013 018

T T

1-Oct-02 16-Oct-02 25-Oct-02 26-Oct-02 7-Nov-02 8-Nov-02 9-Nov-02

26-Nov-02 27-Nov-02 28-Nov-02 29-Nov-02 16-Dec-02 17-Dec-02 18-Dec-02 20-Dec-02 21-Dec-02 22-Dec-02 29-Dec-02

001 T T

003 T

013 007

T T

002 01 04

005 005 043 082

T 023

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3161

----- ------------ ----------- ------------ ----------- ------------ ------- --------- --------

------------ ----------- ------------ ----------- ------------ ------- --------- --------

----- ----------- ----- -------- ----------- ---- -------- ----------- ----- -------- --------- ----- ----------

----------- ----- -------- ----------- ---- -------- ----------- ----- -------- --------- ----- ----------

C Solids Production Point Loma Annual Monitoring Report

Solids Report ndash TOTALS

From 01-JAN-2002 To 31-DEC-2002

PtLoma MBC MBC Pt Loma Digested Combined Dewatered

Raw sludge Sludge Centrate Sludge Month Gallons Tons Gallons Tons Gallons Tons Wet Tons Dry Tons

01 30429127 5700 30291000 3062 66909000 740 10369 3029 02 26174515 4842 24508495 2513 59152000 526 8256 2112 03 34058333 5787 35010604 3247 72798000 728 9444 2912 04 35604478 5665 35384584 3134 71163000 762 9856 2922 05 34917761 5909 34775000 3263 69443700 776 10514 3129 06 35199170 5849 34825495 3304 64684400 662 10127 2997 07 34471522 6281 33632440 3366 54870000 822 10811 3040 08 35348030 6009 33550270 3300 72322652 870 11438 3269 09 34478353 5679 33285170 3199 71814347 841 10466 2969 10 34999803 5775 34089320 3245 71192444 809 11515 3301 11 34802038 5607 33722070 3168 73304527 839 9776 2992 12 35770257 5855 34582330 3259 75182463 896 11047 3373

avg 33854449 5747 33138065 3172 68569711 773 10302 3004 sum 406253387 68959 397656778 38060 822836533 9272 123618 36045

Solids Report - Daily Averages by Month From 01-JAN-2002 To 31-DEC-2002

PtLoma MBC MBC Pt Loma Digested Combined Dewatered

Raw sludge Sludge Centrate Sludge Month Gallons TS Tons Gallons TS Tons Gallons TS Tons Wet Tons TS Dry Tons

01 981585 45 184 977129 24 98 2158355 030 239 346 292 1010 02 934804 44 175 875303 25 87 2112571 020 188 295 287 812 03 1098656 41 188 1129374 22 107 2348323 020 235 305 309 1004 04 1186816 38 187 1179486 21 105 2372100 030 254 329 297 974 05 1126379 41 191 1121774 23 105 2240119 030 250 339 300 1009 06 1173306 40 194 1160850 23 110 2156147 030 245 338 294 999 07 1111985 44 203 1084917 24 109 1770000 040 265 349 283 981 08 1140259 41 193 1082267 24 105 2332989 030 281 369 285 1055 09 1149278 40 190 1109506 23 106 2393812 030 280 349 283 990 10 1129026 40 187 1099655 23 106 2296531 030 261 371 288 1065 11 1160068 39 187 1124069 23 106 2443484 030 280 326 305 997 12 1153879 39 188 1115559 23 103 2425241 030 289 356 307 1088

avg 1112170 41 189 1088324 23 104 2254139 029 256 339 294 999

Note A ton is a Ashort ton or 2000 lbs of dry solids Values for Wet Tons of dewatered sludge are based on calculated volumes from eight positive displacement cake pumps and are subject to inaccuracies The mechanical condition of the cake pumps and the variability of sludge concentrations can effect the overall accuracies of these reported values

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3162

----- ---------- ---------- ---------- ---------- ---------- --------- --------- --------- ------------ ------------ ------------ -------- ------- --------

---------- ---------- ---------- ---------- ---------- --------- --------- --------- ------------ ------------ ------------ -------- ------- --------

D Chemical usage Point Loma Annual Chemical Usage Report

Monthly Totals - 2002

ACTIVE Ferric Ferric Sodium Sodium Sodium Sodium Sodium Sodium Polymer Polymer Polymer Chloride Chloride hydroxide hydroxide hydroxide Hypochlorite Hypochlorite Hypochlorite Salt Salt Salt PtLoma PtLoma PtLoma PS 2 PtLoma PS 1 PS 2 PtLoma PS 1 PS 2 PtLoma PS 1 PS 2 PtLoma

Month Gallons Lbs Lbs Gallons Gallons Gallons Gallons Gallons Gallons Gallons Gallons Lbs Lbs Lbs

01 76736 671975 61188 201146 850 4795 100 26203 1800 17050 02 70651 618690 56021 177482 575 4648 37961 700 15400 03 75480 660981 63349 204324 300 5638 37910 550 17050 04 73720 645565 58126 192712 3272 39683 300 15950 05 76116 666547 72226 192951 215 7131 135 47972 17050 06 122520 6476 68567 192827 175 5693 825 39989 1800 7000 07 142124 5982 72249 206642 350 7152 900 48248 1400 0 08 136059 5724 73129 208179 225 6112 800 210 61481 950 8500 09 150026 6316 69689 217511 200 51 4701 1550 25 58079 1250 15000 10 154063 6484 72073 224547 125 5375 735 70 57716 500 15500 11 150367 6329 70459 220585 229 1052 4384 900 1555 36872 800 1500 15000 12 157707 6639 68999 229242 275 255 4612 5525 3547 26450 200 2200 15500

avg 115464 652752 6279 67173 205679 320 453 5293 1274 1081 43214 932 1850 13250 sum 1385568 3263758 43950 806075 2468148 3519 1358 63513 11470 5407 518564 10250 3700 159000

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3163

----- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -------- -------- -------- -----------

---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -------- -------- -------- -----------

----- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ------------- -------- -------- -------- ----------

---------- ---------- ---------- ---------- ---------- ---------- ---------- ------------- -------- -------- -------- ----------

E Gas Production Point Loma Wastewater Treatment Plant

Gas Report ndash 2002

Daily Monthly Averages

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 6614 8563 4082 9935 1406 29193 209 1659 1106 2975 02 6163 7614 4237 8796 1565 26810 246 1506 1144 2896 03 4925 6487 4427 7669 694 23508 174 1212 1685 3072 04 5131 6265 4019 6696 665 22111 150 1184 1723 3057 05 5170 6319 3992 6689 532 22169 38 2047 1061 3146 06 5163 6321 0 0 4037 6719 463 22241 17 1631 1435 3083 07 5257 6396 0 0 4073 6404 531 22130 30 1331 1755 3117 08 4988 6338 0 0 3877 5318 556 20520 37 1203 1752 2991 09 4972 6103 0 0 3644 4707 525 19426 42 1296 1547 2884 10 4700 5910 0 0 3880 5717 526 20207 43 1157 1632 2831 11 4914 6191 0 0 4152 6180 511 21436 10 1230 1694 2935 12 5048 6328 0 0 4278 6273 699 21926 161 1271 1524 2956

avg 5254 6570 0 0 4058 6758 723 22640 96 1394 1505 2995

Monthly Totals

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 205020 265460 126540 307970 43580 904990 6481 51433 34300 92214 02 172570 213180 118640 246290 43810 750680 6900 42159 32037 81096 03 152660 201090 137250 237750 21499 728750 5406 37572 52249 95227 04 153920 187960 120570 200880 19939 663330 4488 35526 51695 91709 05 160260 195880 123740 207370 16482 687250 1180 63459 32898 97537 06 154895 189634 0 0 121124 201564 13888 667217 504 48929 43056 92489 07 162980 198280 0 0 126270 198510 16460 686040 944 41273 54408 96625 08 154620 196470 0 0 120180 164850 17240 636120 1138 37280 54303 92721 09 149150 183100 0 0 109310 141220 15760 582780 1245 38878 46404 86527 10 145690 183210 0 0 120290 177220 16310 626410 1325 35858 50584 87767 11 147420 185720 0 0 124550 185390 15340 643080 300 36907 50833 88040 12 156480 196170 0 0 132620 194450 21670 679720 4989 39391 47244 91624

avg 159639 199680 0 0 123424 205289 21832 688031 2908 42389 45834 91131 sum 1915665 2396154 0 0 1481084 2463464 261978 8256367 34900 508665 550011 1093576

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3164

F Graphs of Chemical Usage

Point Loma - 2002 Ferric Chloride

50000

55000

60000

65000

70000

75000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Salt

9000

10000

11000

12000

13000

14000

15000

16000

17000

18000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3165

Point Loma - 2002 Sodium Hydroxide

4000

4500

5000

5500

6000

6500

7000

7500

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Polymer Active Polymer

0

100000

200000

300000

400000

500000

600000

700000

800000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3166

Point Loma - 2002 Sodium Hypochlorite

20000

25000

30000

35000

40000

45000

50000

55000

60000

65000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3167

G Facilities Out-of-service report (2002) Facilities that were out of service In 2002 by date

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 9 0101 0919 Contractor workpreventive

maintenance Sed Basin 10 0101 1219 Contractor workpreventive

maintenance Sed Basin 11 0101 0106 Poor removals Sed Basin 12 0101 1231 Contractor work Influent Screen 5 0101 0118 Maintenance SEOC 0103 0608 Contractor Sed Basin 7 0107 0222 Broken Flights Influent Screen 2 0118 0128 Maintenance Influent Screen 4 0128 0129 Maintenance Sed Basin 11 0128 1231 Contractor work Influent Screen 2 0129 0327 Maintenance East Influent Channel 0201 0605 Grit Scouring Sed Basin 1 0315 0319 Water line repair Influent Screen 3 0328 0521 Repair Sed Basin 3 0402 0403 Polymer line repair N1 Grit Basin 0507 0507 Line repair N2 Grit Basin 0512 0513 Line repair Influent Screen 1 0521 1002 Maintenance West Influent Channel

0605 0709 Grit scouring

C2 Grit Basin 0614 0614 Weld grit hopper East Influent Channel 0709 0828 Grit scouring Sed Basin 8 0718 0725 Object Retrieval N2 Grit Basin 0731 0731 Line repair West Influent Channel

0828 0925 Grit scouring

N2 Grit Basin 0902 0902 Line repair N1 Grit Basin 0903 0904 Line repair and equipment check N2 Grit Basin 0903 0904 Line repair and equipment check C1 Grit Basin 0903 0904 Line repair and equipment check C2 Grit Basin 0903 0904 Line repair and equipment check Sed Basin 1 0920 0924 Scum weir repair East Influent Channel 0925 1024 Grit scouring Sed Basin 6 0924 1005 Preventive Maintenance and scum

repair SEOC 1001 1001 Contractor Work Sed Basin 9 1005 1010 No raw sludge pumps available Sed Basin 6 1010 1219 Broken flights and scum repair West Influent Channel

1024 1127 Grit scouring

N2 Grit Basin 1125 1125 Line repair East Influent Channel 1127 1219 Grit Scouring N2 Grit Basin 1209 1211 Line repair Sed Basin 5 1219 1231 Preventive Maintenance and scum

repair West Influent Channel

1219 1231 Grit Scouring

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3168

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 8 1219 1231 Flight and scum trough repair

GRIT CHAMBERS N1 57 93-94 N2 512-513 92 93-94 1125 129-1211

C1 93-94 C2 614 93-94 S1 101-1231 S2 101-1231

CHANNELS

BASINS

EAST 21-65 79-828 925-1024 1127-1219

WEST 65-79 828-925 1024-1127 1219-1231

1 315-319 920-924 2 3 42-43

4 5 1219-1231 6 924-105 1010-1219 7 17-222 8 718-725 1219-1231 9 11-919 105-1010 10 11-1219 11 11-16 128-1231 12 11-1231

NORTH EFFLUENT SCREENS 11-13 SOUTH EFFLUENT SCREENS 13-68 101 INFLUENT SCREEN 1 521-102 INFLUENT SCREEN 2 118-128 129-327 INFLUENT SCREEN 3 328-521 INFLUENT SCREEN 4 128-129 INFLUENT SCREEN 5 11-118

DIGESTERS N1P N2P C1P 0101-1231 C2P 0101-1231 S1P S2P Dig 7 Dig 8 0101-0218 (New construction)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3169

SHUTDOWNS DATE FROM TO REASON

0105 0200 0430 Pump Station 2 work 0126 0200 0500 Build bulkhead in channel 0127 0200 0615 Build bulkhead in channel 0128 0200 0615 Build bulkhead in channel 0427 0130 0545 Pump Station 2 work 0829 0200 0600 Pump Station 2 work 0830 0200 0600 Pump Station 2 work 1005 0100 0515 Pump Station 2 work 1006 0100 0545 Pump Station 2 work 1115 0100 0430 Pump Station 2 work 1213 0100 555 Pump Station 2 work

1214 0055 0515 Pump Station 2 work

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3170

H Grit Analyses The following are reports of the analyses of grit samples taken from the Pt Loma WWTP headworks (grit removal chambers) in 2002 Reports include Title 22 analyses and Total Solids Although everywhere else in this report PLR refers to Point Loma WWTP raw Influent sewage in this section it refers to the grit removed from the grit chambers at the headworks building at the influent end of the plant Samples from the grit bins are taken daily for 7-8 consecutive days and composited together to form the annual sample

Point Loma Wastewater Treatment Plant Total Solids - Grit and Rags 2002 (WT)

Grit Monthly Averages

Rags Monthly Averages

JAN 496 JAN 449 FEB 470 FEB 416 MAR 494 MAR 450 APR 562 APR 436 MAY 624 MAY 480 JUN 532 JUN 446 JUL 540 JUL 415 AUG 568 AUG 422 SEP 519 SEP 490 OCT 628 OCT 420 NOV 568 NOV 485 DEC 558 DEC 373 AVG 547 AVG 440

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3171

Point Loma Wastewater Treatment Plant 2002 Grit Total Solids (WT) at Point Loma

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day WT WT WT WT WT WT WT WT WT WT WT WT

1 490 517 396 474 697 452 551 475 448 525 710 541 2 420 489 501 464 647 458 490 512 461 447 659 685 3 490 468 453 461 692 553 482 526 495 506 561 570 4 428 411 453 449 631 418 475 563 520 665 692 523 5 463 469 495 427 630 502 451 517 532 523 695 588 6 454 427 477 458 613 519 454 517 505 662 683 516 7 477 461 527 421 483 422 539 492 488 510 545 568 8 424 507 630 461 720 604 569 502 568 418 526 557 9 466 522 605 535 630 389 688 564 549 494 536 480

10 395 456 476 414 622 487 552 668 639 673 566 11 441 446 432 548 615 513 469 753 440 586 460 12 434 439 409 664 439 504 593 662 512 768 651 501 13 585 451 409 600 642 688 672 499 789 656 492 14 525 464 500 595 680 566 726 502 517 601 592 15 524 441 442 493 444 652 572 495 663 528 424 16 418 475 470 600 670 679 543 665 481 501 17 498 570 565 709 632 697 527 509 518 532 18 487 503 436 654 663 709 626 518 717 681 518 19 436 453 482 464 658 468 556 736 465 784 20 506 418 521 571 605 538 634 573 650 501 608 21 484 425 474 528 660 487 554 494 494 683 515 509 22 547 479 474 636 552 524 493 702 533 542 23 592 503 554 631 695 452 560 509 685 565 568 24 456 490 524 526 499 489 561 620 818 474 501 25 552 405 460 696 632 588 487 582 434 627 535 443 26 631 535 539 601 548 516 514 762 554 355 27 516 459 564 655 671 551 555 506 492 530 616 701 28 547 486 452 768 551 521 493 623 523 567 735 29 595 478 652 470 569 555 490 701 458 518 30 485 606 706 731 483 580 532 521 637 384 680 31 598 509 485 556 495 722 760

Avg 496 470 494 562 624 532 540 568 519 628 568 558 Min 395 405 396 414 439 389 451 475 434 418 384 355 Max 631 570 630 768 731 688 709 753 639 818 710 784

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3172

Title 22 reports for Grit POINT LOMA WASTEWATER TREATMENT PLANT

CALIFORNIA HAZARDOUS WASTE IDENTIFICATION TESTS (Title 22) Point Loma Quarterly Grit Composite

From 01-OCT-2002 to 31-DEC-2002 Sampled by Point Loma Operations Analyzed by BOAG8CJRFJZIIENLXPDXSJRVTSBHHBKODEVL Source PLR Sample ID P190180 Sample Date 14-OCT-2002

CA Healthamp INORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit 40 CFR 503 Safety Code

Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt Limits Limits Constituent MDL Units mgKg mgKg mgKg mgL mgL mgKg mgK g ===================== ==== ======== =========== =========== =========== =========== =========== =========== ============= Antimony 5 mgkg 11 7 500 15 Arsenic 33 mgkg 29 19 500 50 41 Barium 042 mgkg 79 50 10000 100 Beryllium 2 mgkg ND ND 75 075 Cadmium 5 mgkg 08 05 100 10 39 Chromium (VI) NA mgkg NA NA 500 50 Chromium 3 mgkg 26 17 2500 560 1200 Cobalt 8 mgkg ND ND 8000 80 Copper 2 mgkg 221 141 2500 25 1500 2500 Lead 5 mgkg 8 5 1000 50 300 350 Mercury 003 mgkg 01 01 20 02 17 Molybdenum 6 mgkg 3 19 3500 3500 Nickel 3 mgkg 13 8 2000 20 420 2000 Selenium 24 mgkg ND ND 100 10 36 Silver 3 mgkg ND ND 500 50 Thallium 10 mgkg ND ND 700 70 Vanadium 14 mgkg 108 69 2400 24 Zinc 4 mgkg 273 174 5000 250 2800 Fluoride NA mgkg NA NA 18000 180 Sulfides-Reactive mgkg NA NA NA Sulfides-Total mgkg NA NA NA Total Solids NA Wt 638 NA Total Volatile Solids NA Wt 253 pH NA pH Units 673 gt2 - lt 12 ===================== ==== ======== =========== =========== =========== =========== =========== =========== ===========

ORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt

Constituent MDL Units mgKg mgKg mgKg mgL mgL ================= ======== ===== =========== =========== =========== =========== =========== Aldrin 000002 mgKg ND ND 14 014 Chlordanes 0000014 mgKg ND ND 25 025 DDT DDE DDD 000004 mgKg 001080 000689 10 010 24-D 34 mgKg ND ND 100 10 Dieldrin 000002 mgKg ND ND 80 08 Endrin 000003 mgKg ND ND 02 002 Heptachlor 0000003 mgKg ND ND 47 047 Kepone NA mgKg NA ND 21 2 Lindane 000001 mgKg ND ND 40 04 Methoxychlor NA mgKg ND ND 100 10 Mirex 000002 mgKg ND ND 21 2 Pentachlorophenol 08 mgKg ND ND 17 17 PCBs (Arochlors) NA mgKg ND ND 50 50 Toxaphene 000024 mgKg ND ND 5 05 Trichloroethene 00253 mgKg ND ND 2040 204 245-TP 44 mgKg ND ND 10 1 ================= ======== ===== =========== =========== =========== =========== =========== ND= not detected NA = not analyzed = not reportable failed QC criteria

TTLC = Total Threshold Limit Concentration STLC = Soluble Threshold Limit Concentration WET = Waste Extraction Technique = The total concentration is less than 10 times the STLC Therefore by definition

this substance is present in concentrations that are less than the limits for hazardous wastes = Limits are in mgKg (dry weight) based on 40 CFR part 50313 Table 3 Limits for Land Application = The California State Health and Safety Code 251578 established lower a limit for Lead NA = Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required MDL = Method Detection Limit (are in mgKg per dry weight except for pH and Total and Volatile Solids) MBCDEWCN = Metro Biosolids Center Dewatered Centrifuged Sludge TTLC = Total Threshold Limit Concentration

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3173

POINT LOMA WASTEWATER TREATMENT PLANT QUARTERLY GRIT COMPOSITES Inorganics and Organics

From 01-JAN-2002 to 31-DEC-2002

GRIT COMP 14-OCT-2002

Analyte MDL Units P190180 ============================== ====== ===== ============ Aluminum 5 MGKG 3020 Antimony 5 MGKG 110 Arsenic 33 MGKG 287 Barium 042 MGKG 794 Beryllium 2 MGKG ND Cadmium 5 MGKG 08 Chromium 3 MGKG 26 Cobalt 8 MGKG ND Copper 2 MGKG 221 Iron 3 MGKG 12900 Lead 5 MGKG 8 Manganese 48 MGKG 151 Mercury 003 MGKG 014 Molybdenum 6 MGKG 32 Nickel 3 MGKG 13 Selenium 24 MGKG lt024 Silver 3 MGKG ND Thallium 10 MGKG ND Vanadium 14 MGKG 108 Zinc 4 MGKG 273 Fluoride MGKG NA Sulfides-Reactive MGKG NA Sulfides-Total MGKG NA pH PH 673 Total Solids 24 WT 638 Total Volatile Solids 11 WT 253 Aldrin 8000 MGKG ND 24-dichlorophenoxyacetic acid 684 MGKG ND Dieldrin 16000 MGKG ND Endrin 8000 MGKG ND Heptachlor 6000 MGKG ND Kepone MGKG NA BHC Gamma isomer 2000 MGKG ND Methoxychlor 71000 MGKG ND Pentachlorophenol 5850 MGKG ND Toxaphene 130000 MGKG ND Trichloroethene MGKG NA 245-TP (Silvex) 633 MGKG ND CyanidesTotal MGKG NA

NA= Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3174

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

III Plant Operations Summary A Flows B Rain Days C Solids Production D Chemical usage E Gas Production F Graphs of Chemical Usage G Facilities Out-of-Service Report H Grit Analyses I Raw Sludge Data Summary J Digester and Digested Sludge Data Summary

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3155

--- -------- -------- -------- -------- --------

-------- -------- -------- -------- --------

--- ------- ------- ------- ------- -------

------- ------- ------- ------- -------

A Flows

Point Loma Wastewater Treatment Plant Annual Monitoring Report

Flow Report - 2002

WASTEWATER FLOWS Daily Average Flows - Millions of Gallons

Pt L Pt L PS2 PS2 PS1 Mon Gould ADS Flow Pumps Flows

01 1711 1698 1681 1680 612 02 1703 1734 1726 1726 608 03 1718 1756 1758 1758 615 04 1714 1750 1716 1716 644 05 1651 1698 1626 1626 613 06 1685 1716 1658 1624 609 07 1682 1769 1630 1635 612 08 1658 1738 1680 1646 582 09 1674 1746 1700 1685 610 10 1666 1735 1653 1648 602 11 1688 1772 1689 1827 597 12 1713 1804 1713 1826 604

avg 1689 1743 1686 1700 609 sum 20263 20917 20229 20399 7306

WASTEWATER FLOWS Monthly Total Flows - Millions of Gallons

Pt L Pt L PS2 PS2 PS1 Mon Gould ADS Flow Pumps Flows

01 5133 4755 5210 5210 1896 02 4599 4681 2934 2934 1701 03 5326 5445 5451 5451 1905 04 4971 5250 5148 5149 1932 05 5117 5264 5040 4877 1900 06 5054 4461 4973 4872 1826 07 5215 3361 5053 4905 1896 08 5140 5388 5207 4610 1804 09 5022 5238 5100 1180 1829 10 5163 5379 5125 5109 1865 11 5065 5316 5068 5482 1792 12 5309 5593 5309 5662 1873

avg 5093 5011 4968 4620 1852 sum 61115 60132 59618 55441 22219

NOTES The flows taken at the Pt Loma WWTP are from the Parshall flumes at the headworks Water depth in the flume is measured by 2 meters The Gould meters measure water pressure The ADS meters are sonar devices that measure the distance of the water level below the meter The flows through Pump Station II(PS2) are from venturi meters PS2 flow is the flow from the totalizer to which all of the venturi meters feed PS2 Pumps is the sum of the readings on the individual venturi meters which are connected to each of the pumps at the pump station PS1 is the flow from the venturi meters at Pump Station 1

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3156

JAN

FEB

MAR APR

MAY

JUN

JUL

AUG SE

P OCT

NOV DEC

Point Loma Wastewater Treatment Plant 2002 Daily Flows (mgd)

2200

2000

1800

Flo

w (m

gd)

1600

1400

1200

1000

Date

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3157

5

10

15

20

25

30

Point Loma Wastewater Treatment Plant

2002 Flows (mgd) Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

1 1601 1718 1666 1670 1674 1676 1724 1595 1585 1656 1608 1713 2 1667 1704 1687 1685 1703 1691 1667 1637 1726 1628 1668 1655 3 1702 1731 1755 1664 1690 1684 1619 1649 1678 1663 1696 1707 4 1778 1754 1698 1705 1705 1608 1676 1672 1665 1679 1665 1705

1694 1694 1661 1707 1704 1619 1616 1654 1672 1688 1680 1668 6 1715 1690 1675 1729 1715 1729 1676 1690 1672 1696 1657 1678 7 1729 1707 1713 1765 1618 1703 1642 1682 1781 1675 1665 1693 8 1682 1641 1711 1737 1601 1688 1692 1664 1732 1674 1694 1689 9 1687 1747 1737 1730 1649 1665 1655 1670 1696 1634 1886 1674

1724 1744 1791 1668 1611 1704 1657 1681 1649 1668 1839 1693 11 1670 1693 1725 1657 1632 1674 1688 1663 1663 1661 1799 1636 12 1729 1646 1681 1733 1636 1667 1714 1715 1633 1730 1716 1651 13 1711 1663 1702 1694 1640 1697 1742 1649 1667 1677 1718 1661 14 1766 1716 1720 1707 1653 1703 1705 1663 1676 1702 1728 1678

1689 1697 1683 1734 1609 1741 1726 1664 1669 1657 1660 1637 16 1676 1685 1720 1689 1654 1712 1697 1633 1685 1634 1681 1763 17 1697 1676 1771 1714 1618 1729 1713 1656 1678 1683 1707 1862 18 1715 1778 1819 1691 1682 1724 1724 1644 1653 1644 1683 1741 19 1685 1710 1753 1674 1696 1698 1681 1645 1674 1692 1678 1784

1719 1684 1745 1697 1673 1720 1672 1652 1640 1709 1677 1839 21 1762 1715 1728 1728 1615 1682 1646 1632 1686 1672 1662 1872 22 1680 1675 1732 1754 1623 1651 1682 1647 1733 1653 1651 1794 23 1693 1713 1703 1712 1643 1664 1697 1648 1688 1652 1646 1752 24 1722 1740 1747 1731 1628 1691 1681 1678 1655 1630 1708 1725

1686 1701 1738 1699 1577 1664 1707 1654 1674 1646 1664 1570 26 1706 1688 1737 1743 1585 1627 1686 1693 1653 1647 1651 1634 27 1734 1722 1708 1779 1700 1642 1694 1663 1636 1706 1636 1725 28 1814 1677 1707 1762 1629 1642 1668 1682 1645 1669 1650 1690 29 1669 1625 1765 1663 1743 1705 1642 1664 1618 1549 1725

1747 1741 1697 1594 1702 1654 1642 1696 1679 1730 1727 Annual 31 1752 1678 1754 1644 1650 1612 1755 Summary

Average 1710 1704 1718 1714 1651 1685 1682 1658 1674 1666 1688 1713 1688 Minimum 1601 1641 1625 1657 1577 1608 1616 1595 1585 1612 1549 1570 1549 Maximum 1814 1778 1819 1779 1754 1743 1742 1715 1781 1730 1886 1872 1886 Total 53000 47705 53257 51420 51170 50539 52150 51405 50224 51633 50650 53094 616246

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3158

1 2 3 4 5 6 7 8 9 10 11 12

Point Loma Wastewater Treatment Plant 2002 Dry Daily Flows (mgd)

150

155

160

165

170

175

180

185

190

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

Date

Flo

w (M

illio

n G

allo

ns

Day

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3159

5

10

15

20

25

30

Point Loma Wastewater Treatment Plant 2002 Dry Flows (mgd)

Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1 1601 2 1667 3 4 1778

1694 6 1715 7 1729 8 1682 9 1687

1724 11 1670 12 1729 13 1711 14 1766

1689 16 1676 17 1697

1718 1704 1731 1754 1694 1690 1707 1641 1747 1744 1693 1646 1663 1716 1697 1685

1666 1687 1755 1698 1661 1675

1737 1791 1725 1681 1702 1720

18 19 1685

1719 21 1762 22 1680 23 1693 24 1722

26 1706 27 1734

1710 1753 1684 1745 1715 1728 1675 1732 1713 1740 1701 1738 1688 1737 1722 1708

28 1677 1707 29

1747 1741 31 1752 1678

1670 1685 1664 1705 1707

1765 1737 1730 1668 1657 1733 1694 1707

1689

1691 1674 1697 1728 1754 1712

1699

1762 1765

1674 1703 1690 1705 1704 1715 1618 1601 1649 1611 1632 1636 1640 1653 1609 1654 1618 1682 1696 1673 1615 1623 1643 1628 1577 1585 1700 1629 1663 1594 1754

1676 1691 1684 1608 1619 1729 1703

1704 1674 1667 1697 1703 1741 1712 1729 1724 1698 1720

1651 1664 1691 1664 1627 1642 1642 1743 1702

1724 1667 1619 1676 1616 1676 1642 1692 1655 1657 1688 1714 1742 1705 1726 1697 1713 1724 1681 1672 1646 1682 1697 1681 1707 1686 1694 1668 1705 1654 1644

1595 1585 1608 1713 1637 1726 1628 1668 1655 1649 1678 1663 1696 1707 1672 1665 1679 1665 1705 1654 1688 1680 1668

1696 1657 1678 1682 1675 1693 1664 1732 1674 1689 1670 1696 1634 1674 1681 1649 1668 1839 1693 1663 1663 1661 1799 1636 1715 1633 1730 1716 1651 1649 1667 1677 1718 1661 1663 1676 1702 1728 1678 1664 1669 1657 1660 1637 1633 1685 1681 1656 1678 1683 1707 1644 1653 1644 1683 1645 1674 1692 1678 1784 1652 1640 1709 1677 1632 1686 1672 1662 1647 1733 1653 1651 1648 1688 1652 1646 1752 1678 1655 1630 1708 1725 1654 1674 1664 1570 1693 1653 1634 1663 1636 1706 1725 1682 1645 1669 1690 1642 1618 1642 1679 1730 1727 1650 1612 1755

Average 1708 1702 1717 1708 1651 1685 1682 1657 1670 1669 1692 1687 Minimum 1601 1641 1661 1657 1577 1608 1616 1595 1585 1612 1608 1570 Maximum 1778 1754 1791 1765 1754 1743 1742 1715 1733 1730 1839 1784 Total 44415 44251 37764 39293 51170 45505 52150 49715 41739 45052 38919 40498

Annual Summary 1686 1570 1839

530469

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3160

B Rain Days

Total Precipitation =423 A Maximum = 083A Trace = T

First Quarter

Second Quarter

Third Quarter

Fourth Quarter

Date Rain Date Rain Date Rain Date Rain

3-Jan-02 18-Jan-02 25-Jan-02 28-Jan-02 29-Jan-02 17-Feb-02 18-Feb-02 7-Mar-02 8-Mar-02

15-Mar-02 16-Mar-02 17-Mar-02 18-Mar-02 23-Mar-02 24-Mar-02 29-Mar-02

014 T T

012 006 017

T 003 001 002 002 031 006

T 001

T

6-Apr-02 15-Apr-02 17-Apr-02 24-Apr-02 26-Apr-02 27-Apr-02 30-Apr-02 8-Jun-02 9-Jun-02

21-Jun-02

009 005 002 022 025

T T T T T

6-Aug-02 5-Sep-02 6-Sep-02 7-Sep-02

29-Sep-02 30-Sep-02

T T

013 018

T T

1-Oct-02 16-Oct-02 25-Oct-02 26-Oct-02 7-Nov-02 8-Nov-02 9-Nov-02

26-Nov-02 27-Nov-02 28-Nov-02 29-Nov-02 16-Dec-02 17-Dec-02 18-Dec-02 20-Dec-02 21-Dec-02 22-Dec-02 29-Dec-02

001 T T

003 T

013 007

T T

002 01 04

005 005 043 082

T 023

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3161

----- ------------ ----------- ------------ ----------- ------------ ------- --------- --------

------------ ----------- ------------ ----------- ------------ ------- --------- --------

----- ----------- ----- -------- ----------- ---- -------- ----------- ----- -------- --------- ----- ----------

----------- ----- -------- ----------- ---- -------- ----------- ----- -------- --------- ----- ----------

C Solids Production Point Loma Annual Monitoring Report

Solids Report ndash TOTALS

From 01-JAN-2002 To 31-DEC-2002

PtLoma MBC MBC Pt Loma Digested Combined Dewatered

Raw sludge Sludge Centrate Sludge Month Gallons Tons Gallons Tons Gallons Tons Wet Tons Dry Tons

01 30429127 5700 30291000 3062 66909000 740 10369 3029 02 26174515 4842 24508495 2513 59152000 526 8256 2112 03 34058333 5787 35010604 3247 72798000 728 9444 2912 04 35604478 5665 35384584 3134 71163000 762 9856 2922 05 34917761 5909 34775000 3263 69443700 776 10514 3129 06 35199170 5849 34825495 3304 64684400 662 10127 2997 07 34471522 6281 33632440 3366 54870000 822 10811 3040 08 35348030 6009 33550270 3300 72322652 870 11438 3269 09 34478353 5679 33285170 3199 71814347 841 10466 2969 10 34999803 5775 34089320 3245 71192444 809 11515 3301 11 34802038 5607 33722070 3168 73304527 839 9776 2992 12 35770257 5855 34582330 3259 75182463 896 11047 3373

avg 33854449 5747 33138065 3172 68569711 773 10302 3004 sum 406253387 68959 397656778 38060 822836533 9272 123618 36045

Solids Report - Daily Averages by Month From 01-JAN-2002 To 31-DEC-2002

PtLoma MBC MBC Pt Loma Digested Combined Dewatered

Raw sludge Sludge Centrate Sludge Month Gallons TS Tons Gallons TS Tons Gallons TS Tons Wet Tons TS Dry Tons

01 981585 45 184 977129 24 98 2158355 030 239 346 292 1010 02 934804 44 175 875303 25 87 2112571 020 188 295 287 812 03 1098656 41 188 1129374 22 107 2348323 020 235 305 309 1004 04 1186816 38 187 1179486 21 105 2372100 030 254 329 297 974 05 1126379 41 191 1121774 23 105 2240119 030 250 339 300 1009 06 1173306 40 194 1160850 23 110 2156147 030 245 338 294 999 07 1111985 44 203 1084917 24 109 1770000 040 265 349 283 981 08 1140259 41 193 1082267 24 105 2332989 030 281 369 285 1055 09 1149278 40 190 1109506 23 106 2393812 030 280 349 283 990 10 1129026 40 187 1099655 23 106 2296531 030 261 371 288 1065 11 1160068 39 187 1124069 23 106 2443484 030 280 326 305 997 12 1153879 39 188 1115559 23 103 2425241 030 289 356 307 1088

avg 1112170 41 189 1088324 23 104 2254139 029 256 339 294 999

Note A ton is a Ashort ton or 2000 lbs of dry solids Values for Wet Tons of dewatered sludge are based on calculated volumes from eight positive displacement cake pumps and are subject to inaccuracies The mechanical condition of the cake pumps and the variability of sludge concentrations can effect the overall accuracies of these reported values

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3162

----- ---------- ---------- ---------- ---------- ---------- --------- --------- --------- ------------ ------------ ------------ -------- ------- --------

---------- ---------- ---------- ---------- ---------- --------- --------- --------- ------------ ------------ ------------ -------- ------- --------

D Chemical usage Point Loma Annual Chemical Usage Report

Monthly Totals - 2002

ACTIVE Ferric Ferric Sodium Sodium Sodium Sodium Sodium Sodium Polymer Polymer Polymer Chloride Chloride hydroxide hydroxide hydroxide Hypochlorite Hypochlorite Hypochlorite Salt Salt Salt PtLoma PtLoma PtLoma PS 2 PtLoma PS 1 PS 2 PtLoma PS 1 PS 2 PtLoma PS 1 PS 2 PtLoma

Month Gallons Lbs Lbs Gallons Gallons Gallons Gallons Gallons Gallons Gallons Gallons Lbs Lbs Lbs

01 76736 671975 61188 201146 850 4795 100 26203 1800 17050 02 70651 618690 56021 177482 575 4648 37961 700 15400 03 75480 660981 63349 204324 300 5638 37910 550 17050 04 73720 645565 58126 192712 3272 39683 300 15950 05 76116 666547 72226 192951 215 7131 135 47972 17050 06 122520 6476 68567 192827 175 5693 825 39989 1800 7000 07 142124 5982 72249 206642 350 7152 900 48248 1400 0 08 136059 5724 73129 208179 225 6112 800 210 61481 950 8500 09 150026 6316 69689 217511 200 51 4701 1550 25 58079 1250 15000 10 154063 6484 72073 224547 125 5375 735 70 57716 500 15500 11 150367 6329 70459 220585 229 1052 4384 900 1555 36872 800 1500 15000 12 157707 6639 68999 229242 275 255 4612 5525 3547 26450 200 2200 15500

avg 115464 652752 6279 67173 205679 320 453 5293 1274 1081 43214 932 1850 13250 sum 1385568 3263758 43950 806075 2468148 3519 1358 63513 11470 5407 518564 10250 3700 159000

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3163

----- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -------- -------- -------- -----------

---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -------- -------- -------- -----------

----- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ------------- -------- -------- -------- ----------

---------- ---------- ---------- ---------- ---------- ---------- ---------- ------------- -------- -------- -------- ----------

E Gas Production Point Loma Wastewater Treatment Plant

Gas Report ndash 2002

Daily Monthly Averages

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 6614 8563 4082 9935 1406 29193 209 1659 1106 2975 02 6163 7614 4237 8796 1565 26810 246 1506 1144 2896 03 4925 6487 4427 7669 694 23508 174 1212 1685 3072 04 5131 6265 4019 6696 665 22111 150 1184 1723 3057 05 5170 6319 3992 6689 532 22169 38 2047 1061 3146 06 5163 6321 0 0 4037 6719 463 22241 17 1631 1435 3083 07 5257 6396 0 0 4073 6404 531 22130 30 1331 1755 3117 08 4988 6338 0 0 3877 5318 556 20520 37 1203 1752 2991 09 4972 6103 0 0 3644 4707 525 19426 42 1296 1547 2884 10 4700 5910 0 0 3880 5717 526 20207 43 1157 1632 2831 11 4914 6191 0 0 4152 6180 511 21436 10 1230 1694 2935 12 5048 6328 0 0 4278 6273 699 21926 161 1271 1524 2956

avg 5254 6570 0 0 4058 6758 723 22640 96 1394 1505 2995

Monthly Totals

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 205020 265460 126540 307970 43580 904990 6481 51433 34300 92214 02 172570 213180 118640 246290 43810 750680 6900 42159 32037 81096 03 152660 201090 137250 237750 21499 728750 5406 37572 52249 95227 04 153920 187960 120570 200880 19939 663330 4488 35526 51695 91709 05 160260 195880 123740 207370 16482 687250 1180 63459 32898 97537 06 154895 189634 0 0 121124 201564 13888 667217 504 48929 43056 92489 07 162980 198280 0 0 126270 198510 16460 686040 944 41273 54408 96625 08 154620 196470 0 0 120180 164850 17240 636120 1138 37280 54303 92721 09 149150 183100 0 0 109310 141220 15760 582780 1245 38878 46404 86527 10 145690 183210 0 0 120290 177220 16310 626410 1325 35858 50584 87767 11 147420 185720 0 0 124550 185390 15340 643080 300 36907 50833 88040 12 156480 196170 0 0 132620 194450 21670 679720 4989 39391 47244 91624

avg 159639 199680 0 0 123424 205289 21832 688031 2908 42389 45834 91131 sum 1915665 2396154 0 0 1481084 2463464 261978 8256367 34900 508665 550011 1093576

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3164

F Graphs of Chemical Usage

Point Loma - 2002 Ferric Chloride

50000

55000

60000

65000

70000

75000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Salt

9000

10000

11000

12000

13000

14000

15000

16000

17000

18000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3165

Point Loma - 2002 Sodium Hydroxide

4000

4500

5000

5500

6000

6500

7000

7500

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Polymer Active Polymer

0

100000

200000

300000

400000

500000

600000

700000

800000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3166

Point Loma - 2002 Sodium Hypochlorite

20000

25000

30000

35000

40000

45000

50000

55000

60000

65000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3167

G Facilities Out-of-service report (2002) Facilities that were out of service In 2002 by date

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 9 0101 0919 Contractor workpreventive

maintenance Sed Basin 10 0101 1219 Contractor workpreventive

maintenance Sed Basin 11 0101 0106 Poor removals Sed Basin 12 0101 1231 Contractor work Influent Screen 5 0101 0118 Maintenance SEOC 0103 0608 Contractor Sed Basin 7 0107 0222 Broken Flights Influent Screen 2 0118 0128 Maintenance Influent Screen 4 0128 0129 Maintenance Sed Basin 11 0128 1231 Contractor work Influent Screen 2 0129 0327 Maintenance East Influent Channel 0201 0605 Grit Scouring Sed Basin 1 0315 0319 Water line repair Influent Screen 3 0328 0521 Repair Sed Basin 3 0402 0403 Polymer line repair N1 Grit Basin 0507 0507 Line repair N2 Grit Basin 0512 0513 Line repair Influent Screen 1 0521 1002 Maintenance West Influent Channel

0605 0709 Grit scouring

C2 Grit Basin 0614 0614 Weld grit hopper East Influent Channel 0709 0828 Grit scouring Sed Basin 8 0718 0725 Object Retrieval N2 Grit Basin 0731 0731 Line repair West Influent Channel

0828 0925 Grit scouring

N2 Grit Basin 0902 0902 Line repair N1 Grit Basin 0903 0904 Line repair and equipment check N2 Grit Basin 0903 0904 Line repair and equipment check C1 Grit Basin 0903 0904 Line repair and equipment check C2 Grit Basin 0903 0904 Line repair and equipment check Sed Basin 1 0920 0924 Scum weir repair East Influent Channel 0925 1024 Grit scouring Sed Basin 6 0924 1005 Preventive Maintenance and scum

repair SEOC 1001 1001 Contractor Work Sed Basin 9 1005 1010 No raw sludge pumps available Sed Basin 6 1010 1219 Broken flights and scum repair West Influent Channel

1024 1127 Grit scouring

N2 Grit Basin 1125 1125 Line repair East Influent Channel 1127 1219 Grit Scouring N2 Grit Basin 1209 1211 Line repair Sed Basin 5 1219 1231 Preventive Maintenance and scum

repair West Influent Channel

1219 1231 Grit Scouring

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3168

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 8 1219 1231 Flight and scum trough repair

GRIT CHAMBERS N1 57 93-94 N2 512-513 92 93-94 1125 129-1211

C1 93-94 C2 614 93-94 S1 101-1231 S2 101-1231

CHANNELS

BASINS

EAST 21-65 79-828 925-1024 1127-1219

WEST 65-79 828-925 1024-1127 1219-1231

1 315-319 920-924 2 3 42-43

4 5 1219-1231 6 924-105 1010-1219 7 17-222 8 718-725 1219-1231 9 11-919 105-1010 10 11-1219 11 11-16 128-1231 12 11-1231

NORTH EFFLUENT SCREENS 11-13 SOUTH EFFLUENT SCREENS 13-68 101 INFLUENT SCREEN 1 521-102 INFLUENT SCREEN 2 118-128 129-327 INFLUENT SCREEN 3 328-521 INFLUENT SCREEN 4 128-129 INFLUENT SCREEN 5 11-118

DIGESTERS N1P N2P C1P 0101-1231 C2P 0101-1231 S1P S2P Dig 7 Dig 8 0101-0218 (New construction)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3169

SHUTDOWNS DATE FROM TO REASON

0105 0200 0430 Pump Station 2 work 0126 0200 0500 Build bulkhead in channel 0127 0200 0615 Build bulkhead in channel 0128 0200 0615 Build bulkhead in channel 0427 0130 0545 Pump Station 2 work 0829 0200 0600 Pump Station 2 work 0830 0200 0600 Pump Station 2 work 1005 0100 0515 Pump Station 2 work 1006 0100 0545 Pump Station 2 work 1115 0100 0430 Pump Station 2 work 1213 0100 555 Pump Station 2 work

1214 0055 0515 Pump Station 2 work

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3170

H Grit Analyses The following are reports of the analyses of grit samples taken from the Pt Loma WWTP headworks (grit removal chambers) in 2002 Reports include Title 22 analyses and Total Solids Although everywhere else in this report PLR refers to Point Loma WWTP raw Influent sewage in this section it refers to the grit removed from the grit chambers at the headworks building at the influent end of the plant Samples from the grit bins are taken daily for 7-8 consecutive days and composited together to form the annual sample

Point Loma Wastewater Treatment Plant Total Solids - Grit and Rags 2002 (WT)

Grit Monthly Averages

Rags Monthly Averages

JAN 496 JAN 449 FEB 470 FEB 416 MAR 494 MAR 450 APR 562 APR 436 MAY 624 MAY 480 JUN 532 JUN 446 JUL 540 JUL 415 AUG 568 AUG 422 SEP 519 SEP 490 OCT 628 OCT 420 NOV 568 NOV 485 DEC 558 DEC 373 AVG 547 AVG 440

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3171

Point Loma Wastewater Treatment Plant 2002 Grit Total Solids (WT) at Point Loma

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day WT WT WT WT WT WT WT WT WT WT WT WT

1 490 517 396 474 697 452 551 475 448 525 710 541 2 420 489 501 464 647 458 490 512 461 447 659 685 3 490 468 453 461 692 553 482 526 495 506 561 570 4 428 411 453 449 631 418 475 563 520 665 692 523 5 463 469 495 427 630 502 451 517 532 523 695 588 6 454 427 477 458 613 519 454 517 505 662 683 516 7 477 461 527 421 483 422 539 492 488 510 545 568 8 424 507 630 461 720 604 569 502 568 418 526 557 9 466 522 605 535 630 389 688 564 549 494 536 480

10 395 456 476 414 622 487 552 668 639 673 566 11 441 446 432 548 615 513 469 753 440 586 460 12 434 439 409 664 439 504 593 662 512 768 651 501 13 585 451 409 600 642 688 672 499 789 656 492 14 525 464 500 595 680 566 726 502 517 601 592 15 524 441 442 493 444 652 572 495 663 528 424 16 418 475 470 600 670 679 543 665 481 501 17 498 570 565 709 632 697 527 509 518 532 18 487 503 436 654 663 709 626 518 717 681 518 19 436 453 482 464 658 468 556 736 465 784 20 506 418 521 571 605 538 634 573 650 501 608 21 484 425 474 528 660 487 554 494 494 683 515 509 22 547 479 474 636 552 524 493 702 533 542 23 592 503 554 631 695 452 560 509 685 565 568 24 456 490 524 526 499 489 561 620 818 474 501 25 552 405 460 696 632 588 487 582 434 627 535 443 26 631 535 539 601 548 516 514 762 554 355 27 516 459 564 655 671 551 555 506 492 530 616 701 28 547 486 452 768 551 521 493 623 523 567 735 29 595 478 652 470 569 555 490 701 458 518 30 485 606 706 731 483 580 532 521 637 384 680 31 598 509 485 556 495 722 760

Avg 496 470 494 562 624 532 540 568 519 628 568 558 Min 395 405 396 414 439 389 451 475 434 418 384 355 Max 631 570 630 768 731 688 709 753 639 818 710 784

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3172

Title 22 reports for Grit POINT LOMA WASTEWATER TREATMENT PLANT

CALIFORNIA HAZARDOUS WASTE IDENTIFICATION TESTS (Title 22) Point Loma Quarterly Grit Composite

From 01-OCT-2002 to 31-DEC-2002 Sampled by Point Loma Operations Analyzed by BOAG8CJRFJZIIENLXPDXSJRVTSBHHBKODEVL Source PLR Sample ID P190180 Sample Date 14-OCT-2002

CA Healthamp INORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit 40 CFR 503 Safety Code

Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt Limits Limits Constituent MDL Units mgKg mgKg mgKg mgL mgL mgKg mgK g ===================== ==== ======== =========== =========== =========== =========== =========== =========== ============= Antimony 5 mgkg 11 7 500 15 Arsenic 33 mgkg 29 19 500 50 41 Barium 042 mgkg 79 50 10000 100 Beryllium 2 mgkg ND ND 75 075 Cadmium 5 mgkg 08 05 100 10 39 Chromium (VI) NA mgkg NA NA 500 50 Chromium 3 mgkg 26 17 2500 560 1200 Cobalt 8 mgkg ND ND 8000 80 Copper 2 mgkg 221 141 2500 25 1500 2500 Lead 5 mgkg 8 5 1000 50 300 350 Mercury 003 mgkg 01 01 20 02 17 Molybdenum 6 mgkg 3 19 3500 3500 Nickel 3 mgkg 13 8 2000 20 420 2000 Selenium 24 mgkg ND ND 100 10 36 Silver 3 mgkg ND ND 500 50 Thallium 10 mgkg ND ND 700 70 Vanadium 14 mgkg 108 69 2400 24 Zinc 4 mgkg 273 174 5000 250 2800 Fluoride NA mgkg NA NA 18000 180 Sulfides-Reactive mgkg NA NA NA Sulfides-Total mgkg NA NA NA Total Solids NA Wt 638 NA Total Volatile Solids NA Wt 253 pH NA pH Units 673 gt2 - lt 12 ===================== ==== ======== =========== =========== =========== =========== =========== =========== ===========

ORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt

Constituent MDL Units mgKg mgKg mgKg mgL mgL ================= ======== ===== =========== =========== =========== =========== =========== Aldrin 000002 mgKg ND ND 14 014 Chlordanes 0000014 mgKg ND ND 25 025 DDT DDE DDD 000004 mgKg 001080 000689 10 010 24-D 34 mgKg ND ND 100 10 Dieldrin 000002 mgKg ND ND 80 08 Endrin 000003 mgKg ND ND 02 002 Heptachlor 0000003 mgKg ND ND 47 047 Kepone NA mgKg NA ND 21 2 Lindane 000001 mgKg ND ND 40 04 Methoxychlor NA mgKg ND ND 100 10 Mirex 000002 mgKg ND ND 21 2 Pentachlorophenol 08 mgKg ND ND 17 17 PCBs (Arochlors) NA mgKg ND ND 50 50 Toxaphene 000024 mgKg ND ND 5 05 Trichloroethene 00253 mgKg ND ND 2040 204 245-TP 44 mgKg ND ND 10 1 ================= ======== ===== =========== =========== =========== =========== =========== ND= not detected NA = not analyzed = not reportable failed QC criteria

TTLC = Total Threshold Limit Concentration STLC = Soluble Threshold Limit Concentration WET = Waste Extraction Technique = The total concentration is less than 10 times the STLC Therefore by definition

this substance is present in concentrations that are less than the limits for hazardous wastes = Limits are in mgKg (dry weight) based on 40 CFR part 50313 Table 3 Limits for Land Application = The California State Health and Safety Code 251578 established lower a limit for Lead NA = Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required MDL = Method Detection Limit (are in mgKg per dry weight except for pH and Total and Volatile Solids) MBCDEWCN = Metro Biosolids Center Dewatered Centrifuged Sludge TTLC = Total Threshold Limit Concentration

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3173

POINT LOMA WASTEWATER TREATMENT PLANT QUARTERLY GRIT COMPOSITES Inorganics and Organics

From 01-JAN-2002 to 31-DEC-2002

GRIT COMP 14-OCT-2002

Analyte MDL Units P190180 ============================== ====== ===== ============ Aluminum 5 MGKG 3020 Antimony 5 MGKG 110 Arsenic 33 MGKG 287 Barium 042 MGKG 794 Beryllium 2 MGKG ND Cadmium 5 MGKG 08 Chromium 3 MGKG 26 Cobalt 8 MGKG ND Copper 2 MGKG 221 Iron 3 MGKG 12900 Lead 5 MGKG 8 Manganese 48 MGKG 151 Mercury 003 MGKG 014 Molybdenum 6 MGKG 32 Nickel 3 MGKG 13 Selenium 24 MGKG lt024 Silver 3 MGKG ND Thallium 10 MGKG ND Vanadium 14 MGKG 108 Zinc 4 MGKG 273 Fluoride MGKG NA Sulfides-Reactive MGKG NA Sulfides-Total MGKG NA pH PH 673 Total Solids 24 WT 638 Total Volatile Solids 11 WT 253 Aldrin 8000 MGKG ND 24-dichlorophenoxyacetic acid 684 MGKG ND Dieldrin 16000 MGKG ND Endrin 8000 MGKG ND Heptachlor 6000 MGKG ND Kepone MGKG NA BHC Gamma isomer 2000 MGKG ND Methoxychlor 71000 MGKG ND Pentachlorophenol 5850 MGKG ND Toxaphene 130000 MGKG ND Trichloroethene MGKG NA 245-TP (Silvex) 633 MGKG ND CyanidesTotal MGKG NA

NA= Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3174

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

--- -------- -------- -------- -------- --------

-------- -------- -------- -------- --------

--- ------- ------- ------- ------- -------

------- ------- ------- ------- -------

A Flows

Point Loma Wastewater Treatment Plant Annual Monitoring Report

Flow Report - 2002

WASTEWATER FLOWS Daily Average Flows - Millions of Gallons

Pt L Pt L PS2 PS2 PS1 Mon Gould ADS Flow Pumps Flows

01 1711 1698 1681 1680 612 02 1703 1734 1726 1726 608 03 1718 1756 1758 1758 615 04 1714 1750 1716 1716 644 05 1651 1698 1626 1626 613 06 1685 1716 1658 1624 609 07 1682 1769 1630 1635 612 08 1658 1738 1680 1646 582 09 1674 1746 1700 1685 610 10 1666 1735 1653 1648 602 11 1688 1772 1689 1827 597 12 1713 1804 1713 1826 604

avg 1689 1743 1686 1700 609 sum 20263 20917 20229 20399 7306

WASTEWATER FLOWS Monthly Total Flows - Millions of Gallons

Pt L Pt L PS2 PS2 PS1 Mon Gould ADS Flow Pumps Flows

01 5133 4755 5210 5210 1896 02 4599 4681 2934 2934 1701 03 5326 5445 5451 5451 1905 04 4971 5250 5148 5149 1932 05 5117 5264 5040 4877 1900 06 5054 4461 4973 4872 1826 07 5215 3361 5053 4905 1896 08 5140 5388 5207 4610 1804 09 5022 5238 5100 1180 1829 10 5163 5379 5125 5109 1865 11 5065 5316 5068 5482 1792 12 5309 5593 5309 5662 1873

avg 5093 5011 4968 4620 1852 sum 61115 60132 59618 55441 22219

NOTES The flows taken at the Pt Loma WWTP are from the Parshall flumes at the headworks Water depth in the flume is measured by 2 meters The Gould meters measure water pressure The ADS meters are sonar devices that measure the distance of the water level below the meter The flows through Pump Station II(PS2) are from venturi meters PS2 flow is the flow from the totalizer to which all of the venturi meters feed PS2 Pumps is the sum of the readings on the individual venturi meters which are connected to each of the pumps at the pump station PS1 is the flow from the venturi meters at Pump Station 1

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3156

JAN

FEB

MAR APR

MAY

JUN

JUL

AUG SE

P OCT

NOV DEC

Point Loma Wastewater Treatment Plant 2002 Daily Flows (mgd)

2200

2000

1800

Flo

w (m

gd)

1600

1400

1200

1000

Date

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3157

5

10

15

20

25

30

Point Loma Wastewater Treatment Plant

2002 Flows (mgd) Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

1 1601 1718 1666 1670 1674 1676 1724 1595 1585 1656 1608 1713 2 1667 1704 1687 1685 1703 1691 1667 1637 1726 1628 1668 1655 3 1702 1731 1755 1664 1690 1684 1619 1649 1678 1663 1696 1707 4 1778 1754 1698 1705 1705 1608 1676 1672 1665 1679 1665 1705

1694 1694 1661 1707 1704 1619 1616 1654 1672 1688 1680 1668 6 1715 1690 1675 1729 1715 1729 1676 1690 1672 1696 1657 1678 7 1729 1707 1713 1765 1618 1703 1642 1682 1781 1675 1665 1693 8 1682 1641 1711 1737 1601 1688 1692 1664 1732 1674 1694 1689 9 1687 1747 1737 1730 1649 1665 1655 1670 1696 1634 1886 1674

1724 1744 1791 1668 1611 1704 1657 1681 1649 1668 1839 1693 11 1670 1693 1725 1657 1632 1674 1688 1663 1663 1661 1799 1636 12 1729 1646 1681 1733 1636 1667 1714 1715 1633 1730 1716 1651 13 1711 1663 1702 1694 1640 1697 1742 1649 1667 1677 1718 1661 14 1766 1716 1720 1707 1653 1703 1705 1663 1676 1702 1728 1678

1689 1697 1683 1734 1609 1741 1726 1664 1669 1657 1660 1637 16 1676 1685 1720 1689 1654 1712 1697 1633 1685 1634 1681 1763 17 1697 1676 1771 1714 1618 1729 1713 1656 1678 1683 1707 1862 18 1715 1778 1819 1691 1682 1724 1724 1644 1653 1644 1683 1741 19 1685 1710 1753 1674 1696 1698 1681 1645 1674 1692 1678 1784

1719 1684 1745 1697 1673 1720 1672 1652 1640 1709 1677 1839 21 1762 1715 1728 1728 1615 1682 1646 1632 1686 1672 1662 1872 22 1680 1675 1732 1754 1623 1651 1682 1647 1733 1653 1651 1794 23 1693 1713 1703 1712 1643 1664 1697 1648 1688 1652 1646 1752 24 1722 1740 1747 1731 1628 1691 1681 1678 1655 1630 1708 1725

1686 1701 1738 1699 1577 1664 1707 1654 1674 1646 1664 1570 26 1706 1688 1737 1743 1585 1627 1686 1693 1653 1647 1651 1634 27 1734 1722 1708 1779 1700 1642 1694 1663 1636 1706 1636 1725 28 1814 1677 1707 1762 1629 1642 1668 1682 1645 1669 1650 1690 29 1669 1625 1765 1663 1743 1705 1642 1664 1618 1549 1725

1747 1741 1697 1594 1702 1654 1642 1696 1679 1730 1727 Annual 31 1752 1678 1754 1644 1650 1612 1755 Summary

Average 1710 1704 1718 1714 1651 1685 1682 1658 1674 1666 1688 1713 1688 Minimum 1601 1641 1625 1657 1577 1608 1616 1595 1585 1612 1549 1570 1549 Maximum 1814 1778 1819 1779 1754 1743 1742 1715 1781 1730 1886 1872 1886 Total 53000 47705 53257 51420 51170 50539 52150 51405 50224 51633 50650 53094 616246

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3158

1 2 3 4 5 6 7 8 9 10 11 12

Point Loma Wastewater Treatment Plant 2002 Dry Daily Flows (mgd)

150

155

160

165

170

175

180

185

190

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

Date

Flo

w (M

illio

n G

allo

ns

Day

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3159

5

10

15

20

25

30

Point Loma Wastewater Treatment Plant 2002 Dry Flows (mgd)

Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1 1601 2 1667 3 4 1778

1694 6 1715 7 1729 8 1682 9 1687

1724 11 1670 12 1729 13 1711 14 1766

1689 16 1676 17 1697

1718 1704 1731 1754 1694 1690 1707 1641 1747 1744 1693 1646 1663 1716 1697 1685

1666 1687 1755 1698 1661 1675

1737 1791 1725 1681 1702 1720

18 19 1685

1719 21 1762 22 1680 23 1693 24 1722

26 1706 27 1734

1710 1753 1684 1745 1715 1728 1675 1732 1713 1740 1701 1738 1688 1737 1722 1708

28 1677 1707 29

1747 1741 31 1752 1678

1670 1685 1664 1705 1707

1765 1737 1730 1668 1657 1733 1694 1707

1689

1691 1674 1697 1728 1754 1712

1699

1762 1765

1674 1703 1690 1705 1704 1715 1618 1601 1649 1611 1632 1636 1640 1653 1609 1654 1618 1682 1696 1673 1615 1623 1643 1628 1577 1585 1700 1629 1663 1594 1754

1676 1691 1684 1608 1619 1729 1703

1704 1674 1667 1697 1703 1741 1712 1729 1724 1698 1720

1651 1664 1691 1664 1627 1642 1642 1743 1702

1724 1667 1619 1676 1616 1676 1642 1692 1655 1657 1688 1714 1742 1705 1726 1697 1713 1724 1681 1672 1646 1682 1697 1681 1707 1686 1694 1668 1705 1654 1644

1595 1585 1608 1713 1637 1726 1628 1668 1655 1649 1678 1663 1696 1707 1672 1665 1679 1665 1705 1654 1688 1680 1668

1696 1657 1678 1682 1675 1693 1664 1732 1674 1689 1670 1696 1634 1674 1681 1649 1668 1839 1693 1663 1663 1661 1799 1636 1715 1633 1730 1716 1651 1649 1667 1677 1718 1661 1663 1676 1702 1728 1678 1664 1669 1657 1660 1637 1633 1685 1681 1656 1678 1683 1707 1644 1653 1644 1683 1645 1674 1692 1678 1784 1652 1640 1709 1677 1632 1686 1672 1662 1647 1733 1653 1651 1648 1688 1652 1646 1752 1678 1655 1630 1708 1725 1654 1674 1664 1570 1693 1653 1634 1663 1636 1706 1725 1682 1645 1669 1690 1642 1618 1642 1679 1730 1727 1650 1612 1755

Average 1708 1702 1717 1708 1651 1685 1682 1657 1670 1669 1692 1687 Minimum 1601 1641 1661 1657 1577 1608 1616 1595 1585 1612 1608 1570 Maximum 1778 1754 1791 1765 1754 1743 1742 1715 1733 1730 1839 1784 Total 44415 44251 37764 39293 51170 45505 52150 49715 41739 45052 38919 40498

Annual Summary 1686 1570 1839

530469

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3160

B Rain Days

Total Precipitation =423 A Maximum = 083A Trace = T

First Quarter

Second Quarter

Third Quarter

Fourth Quarter

Date Rain Date Rain Date Rain Date Rain

3-Jan-02 18-Jan-02 25-Jan-02 28-Jan-02 29-Jan-02 17-Feb-02 18-Feb-02 7-Mar-02 8-Mar-02

15-Mar-02 16-Mar-02 17-Mar-02 18-Mar-02 23-Mar-02 24-Mar-02 29-Mar-02

014 T T

012 006 017

T 003 001 002 002 031 006

T 001

T

6-Apr-02 15-Apr-02 17-Apr-02 24-Apr-02 26-Apr-02 27-Apr-02 30-Apr-02 8-Jun-02 9-Jun-02

21-Jun-02

009 005 002 022 025

T T T T T

6-Aug-02 5-Sep-02 6-Sep-02 7-Sep-02

29-Sep-02 30-Sep-02

T T

013 018

T T

1-Oct-02 16-Oct-02 25-Oct-02 26-Oct-02 7-Nov-02 8-Nov-02 9-Nov-02

26-Nov-02 27-Nov-02 28-Nov-02 29-Nov-02 16-Dec-02 17-Dec-02 18-Dec-02 20-Dec-02 21-Dec-02 22-Dec-02 29-Dec-02

001 T T

003 T

013 007

T T

002 01 04

005 005 043 082

T 023

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3161

----- ------------ ----------- ------------ ----------- ------------ ------- --------- --------

------------ ----------- ------------ ----------- ------------ ------- --------- --------

----- ----------- ----- -------- ----------- ---- -------- ----------- ----- -------- --------- ----- ----------

----------- ----- -------- ----------- ---- -------- ----------- ----- -------- --------- ----- ----------

C Solids Production Point Loma Annual Monitoring Report

Solids Report ndash TOTALS

From 01-JAN-2002 To 31-DEC-2002

PtLoma MBC MBC Pt Loma Digested Combined Dewatered

Raw sludge Sludge Centrate Sludge Month Gallons Tons Gallons Tons Gallons Tons Wet Tons Dry Tons

01 30429127 5700 30291000 3062 66909000 740 10369 3029 02 26174515 4842 24508495 2513 59152000 526 8256 2112 03 34058333 5787 35010604 3247 72798000 728 9444 2912 04 35604478 5665 35384584 3134 71163000 762 9856 2922 05 34917761 5909 34775000 3263 69443700 776 10514 3129 06 35199170 5849 34825495 3304 64684400 662 10127 2997 07 34471522 6281 33632440 3366 54870000 822 10811 3040 08 35348030 6009 33550270 3300 72322652 870 11438 3269 09 34478353 5679 33285170 3199 71814347 841 10466 2969 10 34999803 5775 34089320 3245 71192444 809 11515 3301 11 34802038 5607 33722070 3168 73304527 839 9776 2992 12 35770257 5855 34582330 3259 75182463 896 11047 3373

avg 33854449 5747 33138065 3172 68569711 773 10302 3004 sum 406253387 68959 397656778 38060 822836533 9272 123618 36045

Solids Report - Daily Averages by Month From 01-JAN-2002 To 31-DEC-2002

PtLoma MBC MBC Pt Loma Digested Combined Dewatered

Raw sludge Sludge Centrate Sludge Month Gallons TS Tons Gallons TS Tons Gallons TS Tons Wet Tons TS Dry Tons

01 981585 45 184 977129 24 98 2158355 030 239 346 292 1010 02 934804 44 175 875303 25 87 2112571 020 188 295 287 812 03 1098656 41 188 1129374 22 107 2348323 020 235 305 309 1004 04 1186816 38 187 1179486 21 105 2372100 030 254 329 297 974 05 1126379 41 191 1121774 23 105 2240119 030 250 339 300 1009 06 1173306 40 194 1160850 23 110 2156147 030 245 338 294 999 07 1111985 44 203 1084917 24 109 1770000 040 265 349 283 981 08 1140259 41 193 1082267 24 105 2332989 030 281 369 285 1055 09 1149278 40 190 1109506 23 106 2393812 030 280 349 283 990 10 1129026 40 187 1099655 23 106 2296531 030 261 371 288 1065 11 1160068 39 187 1124069 23 106 2443484 030 280 326 305 997 12 1153879 39 188 1115559 23 103 2425241 030 289 356 307 1088

avg 1112170 41 189 1088324 23 104 2254139 029 256 339 294 999

Note A ton is a Ashort ton or 2000 lbs of dry solids Values for Wet Tons of dewatered sludge are based on calculated volumes from eight positive displacement cake pumps and are subject to inaccuracies The mechanical condition of the cake pumps and the variability of sludge concentrations can effect the overall accuracies of these reported values

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----- ---------- ---------- ---------- ---------- ---------- --------- --------- --------- ------------ ------------ ------------ -------- ------- --------

---------- ---------- ---------- ---------- ---------- --------- --------- --------- ------------ ------------ ------------ -------- ------- --------

D Chemical usage Point Loma Annual Chemical Usage Report

Monthly Totals - 2002

ACTIVE Ferric Ferric Sodium Sodium Sodium Sodium Sodium Sodium Polymer Polymer Polymer Chloride Chloride hydroxide hydroxide hydroxide Hypochlorite Hypochlorite Hypochlorite Salt Salt Salt PtLoma PtLoma PtLoma PS 2 PtLoma PS 1 PS 2 PtLoma PS 1 PS 2 PtLoma PS 1 PS 2 PtLoma

Month Gallons Lbs Lbs Gallons Gallons Gallons Gallons Gallons Gallons Gallons Gallons Lbs Lbs Lbs

01 76736 671975 61188 201146 850 4795 100 26203 1800 17050 02 70651 618690 56021 177482 575 4648 37961 700 15400 03 75480 660981 63349 204324 300 5638 37910 550 17050 04 73720 645565 58126 192712 3272 39683 300 15950 05 76116 666547 72226 192951 215 7131 135 47972 17050 06 122520 6476 68567 192827 175 5693 825 39989 1800 7000 07 142124 5982 72249 206642 350 7152 900 48248 1400 0 08 136059 5724 73129 208179 225 6112 800 210 61481 950 8500 09 150026 6316 69689 217511 200 51 4701 1550 25 58079 1250 15000 10 154063 6484 72073 224547 125 5375 735 70 57716 500 15500 11 150367 6329 70459 220585 229 1052 4384 900 1555 36872 800 1500 15000 12 157707 6639 68999 229242 275 255 4612 5525 3547 26450 200 2200 15500

avg 115464 652752 6279 67173 205679 320 453 5293 1274 1081 43214 932 1850 13250 sum 1385568 3263758 43950 806075 2468148 3519 1358 63513 11470 5407 518564 10250 3700 159000

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3163

----- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -------- -------- -------- -----------

---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -------- -------- -------- -----------

----- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ------------- -------- -------- -------- ----------

---------- ---------- ---------- ---------- ---------- ---------- ---------- ------------- -------- -------- -------- ----------

E Gas Production Point Loma Wastewater Treatment Plant

Gas Report ndash 2002

Daily Monthly Averages

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 6614 8563 4082 9935 1406 29193 209 1659 1106 2975 02 6163 7614 4237 8796 1565 26810 246 1506 1144 2896 03 4925 6487 4427 7669 694 23508 174 1212 1685 3072 04 5131 6265 4019 6696 665 22111 150 1184 1723 3057 05 5170 6319 3992 6689 532 22169 38 2047 1061 3146 06 5163 6321 0 0 4037 6719 463 22241 17 1631 1435 3083 07 5257 6396 0 0 4073 6404 531 22130 30 1331 1755 3117 08 4988 6338 0 0 3877 5318 556 20520 37 1203 1752 2991 09 4972 6103 0 0 3644 4707 525 19426 42 1296 1547 2884 10 4700 5910 0 0 3880 5717 526 20207 43 1157 1632 2831 11 4914 6191 0 0 4152 6180 511 21436 10 1230 1694 2935 12 5048 6328 0 0 4278 6273 699 21926 161 1271 1524 2956

avg 5254 6570 0 0 4058 6758 723 22640 96 1394 1505 2995

Monthly Totals

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 205020 265460 126540 307970 43580 904990 6481 51433 34300 92214 02 172570 213180 118640 246290 43810 750680 6900 42159 32037 81096 03 152660 201090 137250 237750 21499 728750 5406 37572 52249 95227 04 153920 187960 120570 200880 19939 663330 4488 35526 51695 91709 05 160260 195880 123740 207370 16482 687250 1180 63459 32898 97537 06 154895 189634 0 0 121124 201564 13888 667217 504 48929 43056 92489 07 162980 198280 0 0 126270 198510 16460 686040 944 41273 54408 96625 08 154620 196470 0 0 120180 164850 17240 636120 1138 37280 54303 92721 09 149150 183100 0 0 109310 141220 15760 582780 1245 38878 46404 86527 10 145690 183210 0 0 120290 177220 16310 626410 1325 35858 50584 87767 11 147420 185720 0 0 124550 185390 15340 643080 300 36907 50833 88040 12 156480 196170 0 0 132620 194450 21670 679720 4989 39391 47244 91624

avg 159639 199680 0 0 123424 205289 21832 688031 2908 42389 45834 91131 sum 1915665 2396154 0 0 1481084 2463464 261978 8256367 34900 508665 550011 1093576

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3164

F Graphs of Chemical Usage

Point Loma - 2002 Ferric Chloride

50000

55000

60000

65000

70000

75000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Salt

9000

10000

11000

12000

13000

14000

15000

16000

17000

18000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3165

Point Loma - 2002 Sodium Hydroxide

4000

4500

5000

5500

6000

6500

7000

7500

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Polymer Active Polymer

0

100000

200000

300000

400000

500000

600000

700000

800000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3166

Point Loma - 2002 Sodium Hypochlorite

20000

25000

30000

35000

40000

45000

50000

55000

60000

65000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3167

G Facilities Out-of-service report (2002) Facilities that were out of service In 2002 by date

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 9 0101 0919 Contractor workpreventive

maintenance Sed Basin 10 0101 1219 Contractor workpreventive

maintenance Sed Basin 11 0101 0106 Poor removals Sed Basin 12 0101 1231 Contractor work Influent Screen 5 0101 0118 Maintenance SEOC 0103 0608 Contractor Sed Basin 7 0107 0222 Broken Flights Influent Screen 2 0118 0128 Maintenance Influent Screen 4 0128 0129 Maintenance Sed Basin 11 0128 1231 Contractor work Influent Screen 2 0129 0327 Maintenance East Influent Channel 0201 0605 Grit Scouring Sed Basin 1 0315 0319 Water line repair Influent Screen 3 0328 0521 Repair Sed Basin 3 0402 0403 Polymer line repair N1 Grit Basin 0507 0507 Line repair N2 Grit Basin 0512 0513 Line repair Influent Screen 1 0521 1002 Maintenance West Influent Channel

0605 0709 Grit scouring

C2 Grit Basin 0614 0614 Weld grit hopper East Influent Channel 0709 0828 Grit scouring Sed Basin 8 0718 0725 Object Retrieval N2 Grit Basin 0731 0731 Line repair West Influent Channel

0828 0925 Grit scouring

N2 Grit Basin 0902 0902 Line repair N1 Grit Basin 0903 0904 Line repair and equipment check N2 Grit Basin 0903 0904 Line repair and equipment check C1 Grit Basin 0903 0904 Line repair and equipment check C2 Grit Basin 0903 0904 Line repair and equipment check Sed Basin 1 0920 0924 Scum weir repair East Influent Channel 0925 1024 Grit scouring Sed Basin 6 0924 1005 Preventive Maintenance and scum

repair SEOC 1001 1001 Contractor Work Sed Basin 9 1005 1010 No raw sludge pumps available Sed Basin 6 1010 1219 Broken flights and scum repair West Influent Channel

1024 1127 Grit scouring

N2 Grit Basin 1125 1125 Line repair East Influent Channel 1127 1219 Grit Scouring N2 Grit Basin 1209 1211 Line repair Sed Basin 5 1219 1231 Preventive Maintenance and scum

repair West Influent Channel

1219 1231 Grit Scouring

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3168

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 8 1219 1231 Flight and scum trough repair

GRIT CHAMBERS N1 57 93-94 N2 512-513 92 93-94 1125 129-1211

C1 93-94 C2 614 93-94 S1 101-1231 S2 101-1231

CHANNELS

BASINS

EAST 21-65 79-828 925-1024 1127-1219

WEST 65-79 828-925 1024-1127 1219-1231

1 315-319 920-924 2 3 42-43

4 5 1219-1231 6 924-105 1010-1219 7 17-222 8 718-725 1219-1231 9 11-919 105-1010 10 11-1219 11 11-16 128-1231 12 11-1231

NORTH EFFLUENT SCREENS 11-13 SOUTH EFFLUENT SCREENS 13-68 101 INFLUENT SCREEN 1 521-102 INFLUENT SCREEN 2 118-128 129-327 INFLUENT SCREEN 3 328-521 INFLUENT SCREEN 4 128-129 INFLUENT SCREEN 5 11-118

DIGESTERS N1P N2P C1P 0101-1231 C2P 0101-1231 S1P S2P Dig 7 Dig 8 0101-0218 (New construction)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3169

SHUTDOWNS DATE FROM TO REASON

0105 0200 0430 Pump Station 2 work 0126 0200 0500 Build bulkhead in channel 0127 0200 0615 Build bulkhead in channel 0128 0200 0615 Build bulkhead in channel 0427 0130 0545 Pump Station 2 work 0829 0200 0600 Pump Station 2 work 0830 0200 0600 Pump Station 2 work 1005 0100 0515 Pump Station 2 work 1006 0100 0545 Pump Station 2 work 1115 0100 0430 Pump Station 2 work 1213 0100 555 Pump Station 2 work

1214 0055 0515 Pump Station 2 work

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3170

H Grit Analyses The following are reports of the analyses of grit samples taken from the Pt Loma WWTP headworks (grit removal chambers) in 2002 Reports include Title 22 analyses and Total Solids Although everywhere else in this report PLR refers to Point Loma WWTP raw Influent sewage in this section it refers to the grit removed from the grit chambers at the headworks building at the influent end of the plant Samples from the grit bins are taken daily for 7-8 consecutive days and composited together to form the annual sample

Point Loma Wastewater Treatment Plant Total Solids - Grit and Rags 2002 (WT)

Grit Monthly Averages

Rags Monthly Averages

JAN 496 JAN 449 FEB 470 FEB 416 MAR 494 MAR 450 APR 562 APR 436 MAY 624 MAY 480 JUN 532 JUN 446 JUL 540 JUL 415 AUG 568 AUG 422 SEP 519 SEP 490 OCT 628 OCT 420 NOV 568 NOV 485 DEC 558 DEC 373 AVG 547 AVG 440

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3171

Point Loma Wastewater Treatment Plant 2002 Grit Total Solids (WT) at Point Loma

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day WT WT WT WT WT WT WT WT WT WT WT WT

1 490 517 396 474 697 452 551 475 448 525 710 541 2 420 489 501 464 647 458 490 512 461 447 659 685 3 490 468 453 461 692 553 482 526 495 506 561 570 4 428 411 453 449 631 418 475 563 520 665 692 523 5 463 469 495 427 630 502 451 517 532 523 695 588 6 454 427 477 458 613 519 454 517 505 662 683 516 7 477 461 527 421 483 422 539 492 488 510 545 568 8 424 507 630 461 720 604 569 502 568 418 526 557 9 466 522 605 535 630 389 688 564 549 494 536 480

10 395 456 476 414 622 487 552 668 639 673 566 11 441 446 432 548 615 513 469 753 440 586 460 12 434 439 409 664 439 504 593 662 512 768 651 501 13 585 451 409 600 642 688 672 499 789 656 492 14 525 464 500 595 680 566 726 502 517 601 592 15 524 441 442 493 444 652 572 495 663 528 424 16 418 475 470 600 670 679 543 665 481 501 17 498 570 565 709 632 697 527 509 518 532 18 487 503 436 654 663 709 626 518 717 681 518 19 436 453 482 464 658 468 556 736 465 784 20 506 418 521 571 605 538 634 573 650 501 608 21 484 425 474 528 660 487 554 494 494 683 515 509 22 547 479 474 636 552 524 493 702 533 542 23 592 503 554 631 695 452 560 509 685 565 568 24 456 490 524 526 499 489 561 620 818 474 501 25 552 405 460 696 632 588 487 582 434 627 535 443 26 631 535 539 601 548 516 514 762 554 355 27 516 459 564 655 671 551 555 506 492 530 616 701 28 547 486 452 768 551 521 493 623 523 567 735 29 595 478 652 470 569 555 490 701 458 518 30 485 606 706 731 483 580 532 521 637 384 680 31 598 509 485 556 495 722 760

Avg 496 470 494 562 624 532 540 568 519 628 568 558 Min 395 405 396 414 439 389 451 475 434 418 384 355 Max 631 570 630 768 731 688 709 753 639 818 710 784

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3172

Title 22 reports for Grit POINT LOMA WASTEWATER TREATMENT PLANT

CALIFORNIA HAZARDOUS WASTE IDENTIFICATION TESTS (Title 22) Point Loma Quarterly Grit Composite

From 01-OCT-2002 to 31-DEC-2002 Sampled by Point Loma Operations Analyzed by BOAG8CJRFJZIIENLXPDXSJRVTSBHHBKODEVL Source PLR Sample ID P190180 Sample Date 14-OCT-2002

CA Healthamp INORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit 40 CFR 503 Safety Code

Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt Limits Limits Constituent MDL Units mgKg mgKg mgKg mgL mgL mgKg mgK g ===================== ==== ======== =========== =========== =========== =========== =========== =========== ============= Antimony 5 mgkg 11 7 500 15 Arsenic 33 mgkg 29 19 500 50 41 Barium 042 mgkg 79 50 10000 100 Beryllium 2 mgkg ND ND 75 075 Cadmium 5 mgkg 08 05 100 10 39 Chromium (VI) NA mgkg NA NA 500 50 Chromium 3 mgkg 26 17 2500 560 1200 Cobalt 8 mgkg ND ND 8000 80 Copper 2 mgkg 221 141 2500 25 1500 2500 Lead 5 mgkg 8 5 1000 50 300 350 Mercury 003 mgkg 01 01 20 02 17 Molybdenum 6 mgkg 3 19 3500 3500 Nickel 3 mgkg 13 8 2000 20 420 2000 Selenium 24 mgkg ND ND 100 10 36 Silver 3 mgkg ND ND 500 50 Thallium 10 mgkg ND ND 700 70 Vanadium 14 mgkg 108 69 2400 24 Zinc 4 mgkg 273 174 5000 250 2800 Fluoride NA mgkg NA NA 18000 180 Sulfides-Reactive mgkg NA NA NA Sulfides-Total mgkg NA NA NA Total Solids NA Wt 638 NA Total Volatile Solids NA Wt 253 pH NA pH Units 673 gt2 - lt 12 ===================== ==== ======== =========== =========== =========== =========== =========== =========== ===========

ORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt

Constituent MDL Units mgKg mgKg mgKg mgL mgL ================= ======== ===== =========== =========== =========== =========== =========== Aldrin 000002 mgKg ND ND 14 014 Chlordanes 0000014 mgKg ND ND 25 025 DDT DDE DDD 000004 mgKg 001080 000689 10 010 24-D 34 mgKg ND ND 100 10 Dieldrin 000002 mgKg ND ND 80 08 Endrin 000003 mgKg ND ND 02 002 Heptachlor 0000003 mgKg ND ND 47 047 Kepone NA mgKg NA ND 21 2 Lindane 000001 mgKg ND ND 40 04 Methoxychlor NA mgKg ND ND 100 10 Mirex 000002 mgKg ND ND 21 2 Pentachlorophenol 08 mgKg ND ND 17 17 PCBs (Arochlors) NA mgKg ND ND 50 50 Toxaphene 000024 mgKg ND ND 5 05 Trichloroethene 00253 mgKg ND ND 2040 204 245-TP 44 mgKg ND ND 10 1 ================= ======== ===== =========== =========== =========== =========== =========== ND= not detected NA = not analyzed = not reportable failed QC criteria

TTLC = Total Threshold Limit Concentration STLC = Soluble Threshold Limit Concentration WET = Waste Extraction Technique = The total concentration is less than 10 times the STLC Therefore by definition

this substance is present in concentrations that are less than the limits for hazardous wastes = Limits are in mgKg (dry weight) based on 40 CFR part 50313 Table 3 Limits for Land Application = The California State Health and Safety Code 251578 established lower a limit for Lead NA = Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required MDL = Method Detection Limit (are in mgKg per dry weight except for pH and Total and Volatile Solids) MBCDEWCN = Metro Biosolids Center Dewatered Centrifuged Sludge TTLC = Total Threshold Limit Concentration

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3173

POINT LOMA WASTEWATER TREATMENT PLANT QUARTERLY GRIT COMPOSITES Inorganics and Organics

From 01-JAN-2002 to 31-DEC-2002

GRIT COMP 14-OCT-2002

Analyte MDL Units P190180 ============================== ====== ===== ============ Aluminum 5 MGKG 3020 Antimony 5 MGKG 110 Arsenic 33 MGKG 287 Barium 042 MGKG 794 Beryllium 2 MGKG ND Cadmium 5 MGKG 08 Chromium 3 MGKG 26 Cobalt 8 MGKG ND Copper 2 MGKG 221 Iron 3 MGKG 12900 Lead 5 MGKG 8 Manganese 48 MGKG 151 Mercury 003 MGKG 014 Molybdenum 6 MGKG 32 Nickel 3 MGKG 13 Selenium 24 MGKG lt024 Silver 3 MGKG ND Thallium 10 MGKG ND Vanadium 14 MGKG 108 Zinc 4 MGKG 273 Fluoride MGKG NA Sulfides-Reactive MGKG NA Sulfides-Total MGKG NA pH PH 673 Total Solids 24 WT 638 Total Volatile Solids 11 WT 253 Aldrin 8000 MGKG ND 24-dichlorophenoxyacetic acid 684 MGKG ND Dieldrin 16000 MGKG ND Endrin 8000 MGKG ND Heptachlor 6000 MGKG ND Kepone MGKG NA BHC Gamma isomer 2000 MGKG ND Methoxychlor 71000 MGKG ND Pentachlorophenol 5850 MGKG ND Toxaphene 130000 MGKG ND Trichloroethene MGKG NA 245-TP (Silvex) 633 MGKG ND CyanidesTotal MGKG NA

NA= Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3174

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

JAN

FEB

MAR APR

MAY

JUN

JUL

AUG SE

P OCT

NOV DEC

Point Loma Wastewater Treatment Plant 2002 Daily Flows (mgd)

2200

2000

1800

Flo

w (m

gd)

1600

1400

1200

1000

Date

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3157

5

10

15

20

25

30

Point Loma Wastewater Treatment Plant

2002 Flows (mgd) Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

1 1601 1718 1666 1670 1674 1676 1724 1595 1585 1656 1608 1713 2 1667 1704 1687 1685 1703 1691 1667 1637 1726 1628 1668 1655 3 1702 1731 1755 1664 1690 1684 1619 1649 1678 1663 1696 1707 4 1778 1754 1698 1705 1705 1608 1676 1672 1665 1679 1665 1705

1694 1694 1661 1707 1704 1619 1616 1654 1672 1688 1680 1668 6 1715 1690 1675 1729 1715 1729 1676 1690 1672 1696 1657 1678 7 1729 1707 1713 1765 1618 1703 1642 1682 1781 1675 1665 1693 8 1682 1641 1711 1737 1601 1688 1692 1664 1732 1674 1694 1689 9 1687 1747 1737 1730 1649 1665 1655 1670 1696 1634 1886 1674

1724 1744 1791 1668 1611 1704 1657 1681 1649 1668 1839 1693 11 1670 1693 1725 1657 1632 1674 1688 1663 1663 1661 1799 1636 12 1729 1646 1681 1733 1636 1667 1714 1715 1633 1730 1716 1651 13 1711 1663 1702 1694 1640 1697 1742 1649 1667 1677 1718 1661 14 1766 1716 1720 1707 1653 1703 1705 1663 1676 1702 1728 1678

1689 1697 1683 1734 1609 1741 1726 1664 1669 1657 1660 1637 16 1676 1685 1720 1689 1654 1712 1697 1633 1685 1634 1681 1763 17 1697 1676 1771 1714 1618 1729 1713 1656 1678 1683 1707 1862 18 1715 1778 1819 1691 1682 1724 1724 1644 1653 1644 1683 1741 19 1685 1710 1753 1674 1696 1698 1681 1645 1674 1692 1678 1784

1719 1684 1745 1697 1673 1720 1672 1652 1640 1709 1677 1839 21 1762 1715 1728 1728 1615 1682 1646 1632 1686 1672 1662 1872 22 1680 1675 1732 1754 1623 1651 1682 1647 1733 1653 1651 1794 23 1693 1713 1703 1712 1643 1664 1697 1648 1688 1652 1646 1752 24 1722 1740 1747 1731 1628 1691 1681 1678 1655 1630 1708 1725

1686 1701 1738 1699 1577 1664 1707 1654 1674 1646 1664 1570 26 1706 1688 1737 1743 1585 1627 1686 1693 1653 1647 1651 1634 27 1734 1722 1708 1779 1700 1642 1694 1663 1636 1706 1636 1725 28 1814 1677 1707 1762 1629 1642 1668 1682 1645 1669 1650 1690 29 1669 1625 1765 1663 1743 1705 1642 1664 1618 1549 1725

1747 1741 1697 1594 1702 1654 1642 1696 1679 1730 1727 Annual 31 1752 1678 1754 1644 1650 1612 1755 Summary

Average 1710 1704 1718 1714 1651 1685 1682 1658 1674 1666 1688 1713 1688 Minimum 1601 1641 1625 1657 1577 1608 1616 1595 1585 1612 1549 1570 1549 Maximum 1814 1778 1819 1779 1754 1743 1742 1715 1781 1730 1886 1872 1886 Total 53000 47705 53257 51420 51170 50539 52150 51405 50224 51633 50650 53094 616246

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3158

1 2 3 4 5 6 7 8 9 10 11 12

Point Loma Wastewater Treatment Plant 2002 Dry Daily Flows (mgd)

150

155

160

165

170

175

180

185

190

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

Date

Flo

w (M

illio

n G

allo

ns

Day

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3159

5

10

15

20

25

30

Point Loma Wastewater Treatment Plant 2002 Dry Flows (mgd)

Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1 1601 2 1667 3 4 1778

1694 6 1715 7 1729 8 1682 9 1687

1724 11 1670 12 1729 13 1711 14 1766

1689 16 1676 17 1697

1718 1704 1731 1754 1694 1690 1707 1641 1747 1744 1693 1646 1663 1716 1697 1685

1666 1687 1755 1698 1661 1675

1737 1791 1725 1681 1702 1720

18 19 1685

1719 21 1762 22 1680 23 1693 24 1722

26 1706 27 1734

1710 1753 1684 1745 1715 1728 1675 1732 1713 1740 1701 1738 1688 1737 1722 1708

28 1677 1707 29

1747 1741 31 1752 1678

1670 1685 1664 1705 1707

1765 1737 1730 1668 1657 1733 1694 1707

1689

1691 1674 1697 1728 1754 1712

1699

1762 1765

1674 1703 1690 1705 1704 1715 1618 1601 1649 1611 1632 1636 1640 1653 1609 1654 1618 1682 1696 1673 1615 1623 1643 1628 1577 1585 1700 1629 1663 1594 1754

1676 1691 1684 1608 1619 1729 1703

1704 1674 1667 1697 1703 1741 1712 1729 1724 1698 1720

1651 1664 1691 1664 1627 1642 1642 1743 1702

1724 1667 1619 1676 1616 1676 1642 1692 1655 1657 1688 1714 1742 1705 1726 1697 1713 1724 1681 1672 1646 1682 1697 1681 1707 1686 1694 1668 1705 1654 1644

1595 1585 1608 1713 1637 1726 1628 1668 1655 1649 1678 1663 1696 1707 1672 1665 1679 1665 1705 1654 1688 1680 1668

1696 1657 1678 1682 1675 1693 1664 1732 1674 1689 1670 1696 1634 1674 1681 1649 1668 1839 1693 1663 1663 1661 1799 1636 1715 1633 1730 1716 1651 1649 1667 1677 1718 1661 1663 1676 1702 1728 1678 1664 1669 1657 1660 1637 1633 1685 1681 1656 1678 1683 1707 1644 1653 1644 1683 1645 1674 1692 1678 1784 1652 1640 1709 1677 1632 1686 1672 1662 1647 1733 1653 1651 1648 1688 1652 1646 1752 1678 1655 1630 1708 1725 1654 1674 1664 1570 1693 1653 1634 1663 1636 1706 1725 1682 1645 1669 1690 1642 1618 1642 1679 1730 1727 1650 1612 1755

Average 1708 1702 1717 1708 1651 1685 1682 1657 1670 1669 1692 1687 Minimum 1601 1641 1661 1657 1577 1608 1616 1595 1585 1612 1608 1570 Maximum 1778 1754 1791 1765 1754 1743 1742 1715 1733 1730 1839 1784 Total 44415 44251 37764 39293 51170 45505 52150 49715 41739 45052 38919 40498

Annual Summary 1686 1570 1839

530469

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3160

B Rain Days

Total Precipitation =423 A Maximum = 083A Trace = T

First Quarter

Second Quarter

Third Quarter

Fourth Quarter

Date Rain Date Rain Date Rain Date Rain

3-Jan-02 18-Jan-02 25-Jan-02 28-Jan-02 29-Jan-02 17-Feb-02 18-Feb-02 7-Mar-02 8-Mar-02

15-Mar-02 16-Mar-02 17-Mar-02 18-Mar-02 23-Mar-02 24-Mar-02 29-Mar-02

014 T T

012 006 017

T 003 001 002 002 031 006

T 001

T

6-Apr-02 15-Apr-02 17-Apr-02 24-Apr-02 26-Apr-02 27-Apr-02 30-Apr-02 8-Jun-02 9-Jun-02

21-Jun-02

009 005 002 022 025

T T T T T

6-Aug-02 5-Sep-02 6-Sep-02 7-Sep-02

29-Sep-02 30-Sep-02

T T

013 018

T T

1-Oct-02 16-Oct-02 25-Oct-02 26-Oct-02 7-Nov-02 8-Nov-02 9-Nov-02

26-Nov-02 27-Nov-02 28-Nov-02 29-Nov-02 16-Dec-02 17-Dec-02 18-Dec-02 20-Dec-02 21-Dec-02 22-Dec-02 29-Dec-02

001 T T

003 T

013 007

T T

002 01 04

005 005 043 082

T 023

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3161

----- ------------ ----------- ------------ ----------- ------------ ------- --------- --------

------------ ----------- ------------ ----------- ------------ ------- --------- --------

----- ----------- ----- -------- ----------- ---- -------- ----------- ----- -------- --------- ----- ----------

----------- ----- -------- ----------- ---- -------- ----------- ----- -------- --------- ----- ----------

C Solids Production Point Loma Annual Monitoring Report

Solids Report ndash TOTALS

From 01-JAN-2002 To 31-DEC-2002

PtLoma MBC MBC Pt Loma Digested Combined Dewatered

Raw sludge Sludge Centrate Sludge Month Gallons Tons Gallons Tons Gallons Tons Wet Tons Dry Tons

01 30429127 5700 30291000 3062 66909000 740 10369 3029 02 26174515 4842 24508495 2513 59152000 526 8256 2112 03 34058333 5787 35010604 3247 72798000 728 9444 2912 04 35604478 5665 35384584 3134 71163000 762 9856 2922 05 34917761 5909 34775000 3263 69443700 776 10514 3129 06 35199170 5849 34825495 3304 64684400 662 10127 2997 07 34471522 6281 33632440 3366 54870000 822 10811 3040 08 35348030 6009 33550270 3300 72322652 870 11438 3269 09 34478353 5679 33285170 3199 71814347 841 10466 2969 10 34999803 5775 34089320 3245 71192444 809 11515 3301 11 34802038 5607 33722070 3168 73304527 839 9776 2992 12 35770257 5855 34582330 3259 75182463 896 11047 3373

avg 33854449 5747 33138065 3172 68569711 773 10302 3004 sum 406253387 68959 397656778 38060 822836533 9272 123618 36045

Solids Report - Daily Averages by Month From 01-JAN-2002 To 31-DEC-2002

PtLoma MBC MBC Pt Loma Digested Combined Dewatered

Raw sludge Sludge Centrate Sludge Month Gallons TS Tons Gallons TS Tons Gallons TS Tons Wet Tons TS Dry Tons

01 981585 45 184 977129 24 98 2158355 030 239 346 292 1010 02 934804 44 175 875303 25 87 2112571 020 188 295 287 812 03 1098656 41 188 1129374 22 107 2348323 020 235 305 309 1004 04 1186816 38 187 1179486 21 105 2372100 030 254 329 297 974 05 1126379 41 191 1121774 23 105 2240119 030 250 339 300 1009 06 1173306 40 194 1160850 23 110 2156147 030 245 338 294 999 07 1111985 44 203 1084917 24 109 1770000 040 265 349 283 981 08 1140259 41 193 1082267 24 105 2332989 030 281 369 285 1055 09 1149278 40 190 1109506 23 106 2393812 030 280 349 283 990 10 1129026 40 187 1099655 23 106 2296531 030 261 371 288 1065 11 1160068 39 187 1124069 23 106 2443484 030 280 326 305 997 12 1153879 39 188 1115559 23 103 2425241 030 289 356 307 1088

avg 1112170 41 189 1088324 23 104 2254139 029 256 339 294 999

Note A ton is a Ashort ton or 2000 lbs of dry solids Values for Wet Tons of dewatered sludge are based on calculated volumes from eight positive displacement cake pumps and are subject to inaccuracies The mechanical condition of the cake pumps and the variability of sludge concentrations can effect the overall accuracies of these reported values

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3162

----- ---------- ---------- ---------- ---------- ---------- --------- --------- --------- ------------ ------------ ------------ -------- ------- --------

---------- ---------- ---------- ---------- ---------- --------- --------- --------- ------------ ------------ ------------ -------- ------- --------

D Chemical usage Point Loma Annual Chemical Usage Report

Monthly Totals - 2002

ACTIVE Ferric Ferric Sodium Sodium Sodium Sodium Sodium Sodium Polymer Polymer Polymer Chloride Chloride hydroxide hydroxide hydroxide Hypochlorite Hypochlorite Hypochlorite Salt Salt Salt PtLoma PtLoma PtLoma PS 2 PtLoma PS 1 PS 2 PtLoma PS 1 PS 2 PtLoma PS 1 PS 2 PtLoma

Month Gallons Lbs Lbs Gallons Gallons Gallons Gallons Gallons Gallons Gallons Gallons Lbs Lbs Lbs

01 76736 671975 61188 201146 850 4795 100 26203 1800 17050 02 70651 618690 56021 177482 575 4648 37961 700 15400 03 75480 660981 63349 204324 300 5638 37910 550 17050 04 73720 645565 58126 192712 3272 39683 300 15950 05 76116 666547 72226 192951 215 7131 135 47972 17050 06 122520 6476 68567 192827 175 5693 825 39989 1800 7000 07 142124 5982 72249 206642 350 7152 900 48248 1400 0 08 136059 5724 73129 208179 225 6112 800 210 61481 950 8500 09 150026 6316 69689 217511 200 51 4701 1550 25 58079 1250 15000 10 154063 6484 72073 224547 125 5375 735 70 57716 500 15500 11 150367 6329 70459 220585 229 1052 4384 900 1555 36872 800 1500 15000 12 157707 6639 68999 229242 275 255 4612 5525 3547 26450 200 2200 15500

avg 115464 652752 6279 67173 205679 320 453 5293 1274 1081 43214 932 1850 13250 sum 1385568 3263758 43950 806075 2468148 3519 1358 63513 11470 5407 518564 10250 3700 159000

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3163

----- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -------- -------- -------- -----------

---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -------- -------- -------- -----------

----- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ------------- -------- -------- -------- ----------

---------- ---------- ---------- ---------- ---------- ---------- ---------- ------------- -------- -------- -------- ----------

E Gas Production Point Loma Wastewater Treatment Plant

Gas Report ndash 2002

Daily Monthly Averages

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 6614 8563 4082 9935 1406 29193 209 1659 1106 2975 02 6163 7614 4237 8796 1565 26810 246 1506 1144 2896 03 4925 6487 4427 7669 694 23508 174 1212 1685 3072 04 5131 6265 4019 6696 665 22111 150 1184 1723 3057 05 5170 6319 3992 6689 532 22169 38 2047 1061 3146 06 5163 6321 0 0 4037 6719 463 22241 17 1631 1435 3083 07 5257 6396 0 0 4073 6404 531 22130 30 1331 1755 3117 08 4988 6338 0 0 3877 5318 556 20520 37 1203 1752 2991 09 4972 6103 0 0 3644 4707 525 19426 42 1296 1547 2884 10 4700 5910 0 0 3880 5717 526 20207 43 1157 1632 2831 11 4914 6191 0 0 4152 6180 511 21436 10 1230 1694 2935 12 5048 6328 0 0 4278 6273 699 21926 161 1271 1524 2956

avg 5254 6570 0 0 4058 6758 723 22640 96 1394 1505 2995

Monthly Totals

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 205020 265460 126540 307970 43580 904990 6481 51433 34300 92214 02 172570 213180 118640 246290 43810 750680 6900 42159 32037 81096 03 152660 201090 137250 237750 21499 728750 5406 37572 52249 95227 04 153920 187960 120570 200880 19939 663330 4488 35526 51695 91709 05 160260 195880 123740 207370 16482 687250 1180 63459 32898 97537 06 154895 189634 0 0 121124 201564 13888 667217 504 48929 43056 92489 07 162980 198280 0 0 126270 198510 16460 686040 944 41273 54408 96625 08 154620 196470 0 0 120180 164850 17240 636120 1138 37280 54303 92721 09 149150 183100 0 0 109310 141220 15760 582780 1245 38878 46404 86527 10 145690 183210 0 0 120290 177220 16310 626410 1325 35858 50584 87767 11 147420 185720 0 0 124550 185390 15340 643080 300 36907 50833 88040 12 156480 196170 0 0 132620 194450 21670 679720 4989 39391 47244 91624

avg 159639 199680 0 0 123424 205289 21832 688031 2908 42389 45834 91131 sum 1915665 2396154 0 0 1481084 2463464 261978 8256367 34900 508665 550011 1093576

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3164

F Graphs of Chemical Usage

Point Loma - 2002 Ferric Chloride

50000

55000

60000

65000

70000

75000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Salt

9000

10000

11000

12000

13000

14000

15000

16000

17000

18000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3165

Point Loma - 2002 Sodium Hydroxide

4000

4500

5000

5500

6000

6500

7000

7500

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Polymer Active Polymer

0

100000

200000

300000

400000

500000

600000

700000

800000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3166

Point Loma - 2002 Sodium Hypochlorite

20000

25000

30000

35000

40000

45000

50000

55000

60000

65000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3167

G Facilities Out-of-service report (2002) Facilities that were out of service In 2002 by date

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 9 0101 0919 Contractor workpreventive

maintenance Sed Basin 10 0101 1219 Contractor workpreventive

maintenance Sed Basin 11 0101 0106 Poor removals Sed Basin 12 0101 1231 Contractor work Influent Screen 5 0101 0118 Maintenance SEOC 0103 0608 Contractor Sed Basin 7 0107 0222 Broken Flights Influent Screen 2 0118 0128 Maintenance Influent Screen 4 0128 0129 Maintenance Sed Basin 11 0128 1231 Contractor work Influent Screen 2 0129 0327 Maintenance East Influent Channel 0201 0605 Grit Scouring Sed Basin 1 0315 0319 Water line repair Influent Screen 3 0328 0521 Repair Sed Basin 3 0402 0403 Polymer line repair N1 Grit Basin 0507 0507 Line repair N2 Grit Basin 0512 0513 Line repair Influent Screen 1 0521 1002 Maintenance West Influent Channel

0605 0709 Grit scouring

C2 Grit Basin 0614 0614 Weld grit hopper East Influent Channel 0709 0828 Grit scouring Sed Basin 8 0718 0725 Object Retrieval N2 Grit Basin 0731 0731 Line repair West Influent Channel

0828 0925 Grit scouring

N2 Grit Basin 0902 0902 Line repair N1 Grit Basin 0903 0904 Line repair and equipment check N2 Grit Basin 0903 0904 Line repair and equipment check C1 Grit Basin 0903 0904 Line repair and equipment check C2 Grit Basin 0903 0904 Line repair and equipment check Sed Basin 1 0920 0924 Scum weir repair East Influent Channel 0925 1024 Grit scouring Sed Basin 6 0924 1005 Preventive Maintenance and scum

repair SEOC 1001 1001 Contractor Work Sed Basin 9 1005 1010 No raw sludge pumps available Sed Basin 6 1010 1219 Broken flights and scum repair West Influent Channel

1024 1127 Grit scouring

N2 Grit Basin 1125 1125 Line repair East Influent Channel 1127 1219 Grit Scouring N2 Grit Basin 1209 1211 Line repair Sed Basin 5 1219 1231 Preventive Maintenance and scum

repair West Influent Channel

1219 1231 Grit Scouring

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3168

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 8 1219 1231 Flight and scum trough repair

GRIT CHAMBERS N1 57 93-94 N2 512-513 92 93-94 1125 129-1211

C1 93-94 C2 614 93-94 S1 101-1231 S2 101-1231

CHANNELS

BASINS

EAST 21-65 79-828 925-1024 1127-1219

WEST 65-79 828-925 1024-1127 1219-1231

1 315-319 920-924 2 3 42-43

4 5 1219-1231 6 924-105 1010-1219 7 17-222 8 718-725 1219-1231 9 11-919 105-1010 10 11-1219 11 11-16 128-1231 12 11-1231

NORTH EFFLUENT SCREENS 11-13 SOUTH EFFLUENT SCREENS 13-68 101 INFLUENT SCREEN 1 521-102 INFLUENT SCREEN 2 118-128 129-327 INFLUENT SCREEN 3 328-521 INFLUENT SCREEN 4 128-129 INFLUENT SCREEN 5 11-118

DIGESTERS N1P N2P C1P 0101-1231 C2P 0101-1231 S1P S2P Dig 7 Dig 8 0101-0218 (New construction)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3169

SHUTDOWNS DATE FROM TO REASON

0105 0200 0430 Pump Station 2 work 0126 0200 0500 Build bulkhead in channel 0127 0200 0615 Build bulkhead in channel 0128 0200 0615 Build bulkhead in channel 0427 0130 0545 Pump Station 2 work 0829 0200 0600 Pump Station 2 work 0830 0200 0600 Pump Station 2 work 1005 0100 0515 Pump Station 2 work 1006 0100 0545 Pump Station 2 work 1115 0100 0430 Pump Station 2 work 1213 0100 555 Pump Station 2 work

1214 0055 0515 Pump Station 2 work

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3170

H Grit Analyses The following are reports of the analyses of grit samples taken from the Pt Loma WWTP headworks (grit removal chambers) in 2002 Reports include Title 22 analyses and Total Solids Although everywhere else in this report PLR refers to Point Loma WWTP raw Influent sewage in this section it refers to the grit removed from the grit chambers at the headworks building at the influent end of the plant Samples from the grit bins are taken daily for 7-8 consecutive days and composited together to form the annual sample

Point Loma Wastewater Treatment Plant Total Solids - Grit and Rags 2002 (WT)

Grit Monthly Averages

Rags Monthly Averages

JAN 496 JAN 449 FEB 470 FEB 416 MAR 494 MAR 450 APR 562 APR 436 MAY 624 MAY 480 JUN 532 JUN 446 JUL 540 JUL 415 AUG 568 AUG 422 SEP 519 SEP 490 OCT 628 OCT 420 NOV 568 NOV 485 DEC 558 DEC 373 AVG 547 AVG 440

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3171

Point Loma Wastewater Treatment Plant 2002 Grit Total Solids (WT) at Point Loma

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day WT WT WT WT WT WT WT WT WT WT WT WT

1 490 517 396 474 697 452 551 475 448 525 710 541 2 420 489 501 464 647 458 490 512 461 447 659 685 3 490 468 453 461 692 553 482 526 495 506 561 570 4 428 411 453 449 631 418 475 563 520 665 692 523 5 463 469 495 427 630 502 451 517 532 523 695 588 6 454 427 477 458 613 519 454 517 505 662 683 516 7 477 461 527 421 483 422 539 492 488 510 545 568 8 424 507 630 461 720 604 569 502 568 418 526 557 9 466 522 605 535 630 389 688 564 549 494 536 480

10 395 456 476 414 622 487 552 668 639 673 566 11 441 446 432 548 615 513 469 753 440 586 460 12 434 439 409 664 439 504 593 662 512 768 651 501 13 585 451 409 600 642 688 672 499 789 656 492 14 525 464 500 595 680 566 726 502 517 601 592 15 524 441 442 493 444 652 572 495 663 528 424 16 418 475 470 600 670 679 543 665 481 501 17 498 570 565 709 632 697 527 509 518 532 18 487 503 436 654 663 709 626 518 717 681 518 19 436 453 482 464 658 468 556 736 465 784 20 506 418 521 571 605 538 634 573 650 501 608 21 484 425 474 528 660 487 554 494 494 683 515 509 22 547 479 474 636 552 524 493 702 533 542 23 592 503 554 631 695 452 560 509 685 565 568 24 456 490 524 526 499 489 561 620 818 474 501 25 552 405 460 696 632 588 487 582 434 627 535 443 26 631 535 539 601 548 516 514 762 554 355 27 516 459 564 655 671 551 555 506 492 530 616 701 28 547 486 452 768 551 521 493 623 523 567 735 29 595 478 652 470 569 555 490 701 458 518 30 485 606 706 731 483 580 532 521 637 384 680 31 598 509 485 556 495 722 760

Avg 496 470 494 562 624 532 540 568 519 628 568 558 Min 395 405 396 414 439 389 451 475 434 418 384 355 Max 631 570 630 768 731 688 709 753 639 818 710 784

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3172

Title 22 reports for Grit POINT LOMA WASTEWATER TREATMENT PLANT

CALIFORNIA HAZARDOUS WASTE IDENTIFICATION TESTS (Title 22) Point Loma Quarterly Grit Composite

From 01-OCT-2002 to 31-DEC-2002 Sampled by Point Loma Operations Analyzed by BOAG8CJRFJZIIENLXPDXSJRVTSBHHBKODEVL Source PLR Sample ID P190180 Sample Date 14-OCT-2002

CA Healthamp INORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit 40 CFR 503 Safety Code

Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt Limits Limits Constituent MDL Units mgKg mgKg mgKg mgL mgL mgKg mgK g ===================== ==== ======== =========== =========== =========== =========== =========== =========== ============= Antimony 5 mgkg 11 7 500 15 Arsenic 33 mgkg 29 19 500 50 41 Barium 042 mgkg 79 50 10000 100 Beryllium 2 mgkg ND ND 75 075 Cadmium 5 mgkg 08 05 100 10 39 Chromium (VI) NA mgkg NA NA 500 50 Chromium 3 mgkg 26 17 2500 560 1200 Cobalt 8 mgkg ND ND 8000 80 Copper 2 mgkg 221 141 2500 25 1500 2500 Lead 5 mgkg 8 5 1000 50 300 350 Mercury 003 mgkg 01 01 20 02 17 Molybdenum 6 mgkg 3 19 3500 3500 Nickel 3 mgkg 13 8 2000 20 420 2000 Selenium 24 mgkg ND ND 100 10 36 Silver 3 mgkg ND ND 500 50 Thallium 10 mgkg ND ND 700 70 Vanadium 14 mgkg 108 69 2400 24 Zinc 4 mgkg 273 174 5000 250 2800 Fluoride NA mgkg NA NA 18000 180 Sulfides-Reactive mgkg NA NA NA Sulfides-Total mgkg NA NA NA Total Solids NA Wt 638 NA Total Volatile Solids NA Wt 253 pH NA pH Units 673 gt2 - lt 12 ===================== ==== ======== =========== =========== =========== =========== =========== =========== ===========

ORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt

Constituent MDL Units mgKg mgKg mgKg mgL mgL ================= ======== ===== =========== =========== =========== =========== =========== Aldrin 000002 mgKg ND ND 14 014 Chlordanes 0000014 mgKg ND ND 25 025 DDT DDE DDD 000004 mgKg 001080 000689 10 010 24-D 34 mgKg ND ND 100 10 Dieldrin 000002 mgKg ND ND 80 08 Endrin 000003 mgKg ND ND 02 002 Heptachlor 0000003 mgKg ND ND 47 047 Kepone NA mgKg NA ND 21 2 Lindane 000001 mgKg ND ND 40 04 Methoxychlor NA mgKg ND ND 100 10 Mirex 000002 mgKg ND ND 21 2 Pentachlorophenol 08 mgKg ND ND 17 17 PCBs (Arochlors) NA mgKg ND ND 50 50 Toxaphene 000024 mgKg ND ND 5 05 Trichloroethene 00253 mgKg ND ND 2040 204 245-TP 44 mgKg ND ND 10 1 ================= ======== ===== =========== =========== =========== =========== =========== ND= not detected NA = not analyzed = not reportable failed QC criteria

TTLC = Total Threshold Limit Concentration STLC = Soluble Threshold Limit Concentration WET = Waste Extraction Technique = The total concentration is less than 10 times the STLC Therefore by definition

this substance is present in concentrations that are less than the limits for hazardous wastes = Limits are in mgKg (dry weight) based on 40 CFR part 50313 Table 3 Limits for Land Application = The California State Health and Safety Code 251578 established lower a limit for Lead NA = Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required MDL = Method Detection Limit (are in mgKg per dry weight except for pH and Total and Volatile Solids) MBCDEWCN = Metro Biosolids Center Dewatered Centrifuged Sludge TTLC = Total Threshold Limit Concentration

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3173

POINT LOMA WASTEWATER TREATMENT PLANT QUARTERLY GRIT COMPOSITES Inorganics and Organics

From 01-JAN-2002 to 31-DEC-2002

GRIT COMP 14-OCT-2002

Analyte MDL Units P190180 ============================== ====== ===== ============ Aluminum 5 MGKG 3020 Antimony 5 MGKG 110 Arsenic 33 MGKG 287 Barium 042 MGKG 794 Beryllium 2 MGKG ND Cadmium 5 MGKG 08 Chromium 3 MGKG 26 Cobalt 8 MGKG ND Copper 2 MGKG 221 Iron 3 MGKG 12900 Lead 5 MGKG 8 Manganese 48 MGKG 151 Mercury 003 MGKG 014 Molybdenum 6 MGKG 32 Nickel 3 MGKG 13 Selenium 24 MGKG lt024 Silver 3 MGKG ND Thallium 10 MGKG ND Vanadium 14 MGKG 108 Zinc 4 MGKG 273 Fluoride MGKG NA Sulfides-Reactive MGKG NA Sulfides-Total MGKG NA pH PH 673 Total Solids 24 WT 638 Total Volatile Solids 11 WT 253 Aldrin 8000 MGKG ND 24-dichlorophenoxyacetic acid 684 MGKG ND Dieldrin 16000 MGKG ND Endrin 8000 MGKG ND Heptachlor 6000 MGKG ND Kepone MGKG NA BHC Gamma isomer 2000 MGKG ND Methoxychlor 71000 MGKG ND Pentachlorophenol 5850 MGKG ND Toxaphene 130000 MGKG ND Trichloroethene MGKG NA 245-TP (Silvex) 633 MGKG ND CyanidesTotal MGKG NA

NA= Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3174

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

5

10

15

20

25

30

Point Loma Wastewater Treatment Plant

2002 Flows (mgd) Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

1 1601 1718 1666 1670 1674 1676 1724 1595 1585 1656 1608 1713 2 1667 1704 1687 1685 1703 1691 1667 1637 1726 1628 1668 1655 3 1702 1731 1755 1664 1690 1684 1619 1649 1678 1663 1696 1707 4 1778 1754 1698 1705 1705 1608 1676 1672 1665 1679 1665 1705

1694 1694 1661 1707 1704 1619 1616 1654 1672 1688 1680 1668 6 1715 1690 1675 1729 1715 1729 1676 1690 1672 1696 1657 1678 7 1729 1707 1713 1765 1618 1703 1642 1682 1781 1675 1665 1693 8 1682 1641 1711 1737 1601 1688 1692 1664 1732 1674 1694 1689 9 1687 1747 1737 1730 1649 1665 1655 1670 1696 1634 1886 1674

1724 1744 1791 1668 1611 1704 1657 1681 1649 1668 1839 1693 11 1670 1693 1725 1657 1632 1674 1688 1663 1663 1661 1799 1636 12 1729 1646 1681 1733 1636 1667 1714 1715 1633 1730 1716 1651 13 1711 1663 1702 1694 1640 1697 1742 1649 1667 1677 1718 1661 14 1766 1716 1720 1707 1653 1703 1705 1663 1676 1702 1728 1678

1689 1697 1683 1734 1609 1741 1726 1664 1669 1657 1660 1637 16 1676 1685 1720 1689 1654 1712 1697 1633 1685 1634 1681 1763 17 1697 1676 1771 1714 1618 1729 1713 1656 1678 1683 1707 1862 18 1715 1778 1819 1691 1682 1724 1724 1644 1653 1644 1683 1741 19 1685 1710 1753 1674 1696 1698 1681 1645 1674 1692 1678 1784

1719 1684 1745 1697 1673 1720 1672 1652 1640 1709 1677 1839 21 1762 1715 1728 1728 1615 1682 1646 1632 1686 1672 1662 1872 22 1680 1675 1732 1754 1623 1651 1682 1647 1733 1653 1651 1794 23 1693 1713 1703 1712 1643 1664 1697 1648 1688 1652 1646 1752 24 1722 1740 1747 1731 1628 1691 1681 1678 1655 1630 1708 1725

1686 1701 1738 1699 1577 1664 1707 1654 1674 1646 1664 1570 26 1706 1688 1737 1743 1585 1627 1686 1693 1653 1647 1651 1634 27 1734 1722 1708 1779 1700 1642 1694 1663 1636 1706 1636 1725 28 1814 1677 1707 1762 1629 1642 1668 1682 1645 1669 1650 1690 29 1669 1625 1765 1663 1743 1705 1642 1664 1618 1549 1725

1747 1741 1697 1594 1702 1654 1642 1696 1679 1730 1727 Annual 31 1752 1678 1754 1644 1650 1612 1755 Summary

Average 1710 1704 1718 1714 1651 1685 1682 1658 1674 1666 1688 1713 1688 Minimum 1601 1641 1625 1657 1577 1608 1616 1595 1585 1612 1549 1570 1549 Maximum 1814 1778 1819 1779 1754 1743 1742 1715 1781 1730 1886 1872 1886 Total 53000 47705 53257 51420 51170 50539 52150 51405 50224 51633 50650 53094 616246

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3158

1 2 3 4 5 6 7 8 9 10 11 12

Point Loma Wastewater Treatment Plant 2002 Dry Daily Flows (mgd)

150

155

160

165

170

175

180

185

190

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

Date

Flo

w (M

illio

n G

allo

ns

Day

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3159

5

10

15

20

25

30

Point Loma Wastewater Treatment Plant 2002 Dry Flows (mgd)

Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1 1601 2 1667 3 4 1778

1694 6 1715 7 1729 8 1682 9 1687

1724 11 1670 12 1729 13 1711 14 1766

1689 16 1676 17 1697

1718 1704 1731 1754 1694 1690 1707 1641 1747 1744 1693 1646 1663 1716 1697 1685

1666 1687 1755 1698 1661 1675

1737 1791 1725 1681 1702 1720

18 19 1685

1719 21 1762 22 1680 23 1693 24 1722

26 1706 27 1734

1710 1753 1684 1745 1715 1728 1675 1732 1713 1740 1701 1738 1688 1737 1722 1708

28 1677 1707 29

1747 1741 31 1752 1678

1670 1685 1664 1705 1707

1765 1737 1730 1668 1657 1733 1694 1707

1689

1691 1674 1697 1728 1754 1712

1699

1762 1765

1674 1703 1690 1705 1704 1715 1618 1601 1649 1611 1632 1636 1640 1653 1609 1654 1618 1682 1696 1673 1615 1623 1643 1628 1577 1585 1700 1629 1663 1594 1754

1676 1691 1684 1608 1619 1729 1703

1704 1674 1667 1697 1703 1741 1712 1729 1724 1698 1720

1651 1664 1691 1664 1627 1642 1642 1743 1702

1724 1667 1619 1676 1616 1676 1642 1692 1655 1657 1688 1714 1742 1705 1726 1697 1713 1724 1681 1672 1646 1682 1697 1681 1707 1686 1694 1668 1705 1654 1644

1595 1585 1608 1713 1637 1726 1628 1668 1655 1649 1678 1663 1696 1707 1672 1665 1679 1665 1705 1654 1688 1680 1668

1696 1657 1678 1682 1675 1693 1664 1732 1674 1689 1670 1696 1634 1674 1681 1649 1668 1839 1693 1663 1663 1661 1799 1636 1715 1633 1730 1716 1651 1649 1667 1677 1718 1661 1663 1676 1702 1728 1678 1664 1669 1657 1660 1637 1633 1685 1681 1656 1678 1683 1707 1644 1653 1644 1683 1645 1674 1692 1678 1784 1652 1640 1709 1677 1632 1686 1672 1662 1647 1733 1653 1651 1648 1688 1652 1646 1752 1678 1655 1630 1708 1725 1654 1674 1664 1570 1693 1653 1634 1663 1636 1706 1725 1682 1645 1669 1690 1642 1618 1642 1679 1730 1727 1650 1612 1755

Average 1708 1702 1717 1708 1651 1685 1682 1657 1670 1669 1692 1687 Minimum 1601 1641 1661 1657 1577 1608 1616 1595 1585 1612 1608 1570 Maximum 1778 1754 1791 1765 1754 1743 1742 1715 1733 1730 1839 1784 Total 44415 44251 37764 39293 51170 45505 52150 49715 41739 45052 38919 40498

Annual Summary 1686 1570 1839

530469

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3160

B Rain Days

Total Precipitation =423 A Maximum = 083A Trace = T

First Quarter

Second Quarter

Third Quarter

Fourth Quarter

Date Rain Date Rain Date Rain Date Rain

3-Jan-02 18-Jan-02 25-Jan-02 28-Jan-02 29-Jan-02 17-Feb-02 18-Feb-02 7-Mar-02 8-Mar-02

15-Mar-02 16-Mar-02 17-Mar-02 18-Mar-02 23-Mar-02 24-Mar-02 29-Mar-02

014 T T

012 006 017

T 003 001 002 002 031 006

T 001

T

6-Apr-02 15-Apr-02 17-Apr-02 24-Apr-02 26-Apr-02 27-Apr-02 30-Apr-02 8-Jun-02 9-Jun-02

21-Jun-02

009 005 002 022 025

T T T T T

6-Aug-02 5-Sep-02 6-Sep-02 7-Sep-02

29-Sep-02 30-Sep-02

T T

013 018

T T

1-Oct-02 16-Oct-02 25-Oct-02 26-Oct-02 7-Nov-02 8-Nov-02 9-Nov-02

26-Nov-02 27-Nov-02 28-Nov-02 29-Nov-02 16-Dec-02 17-Dec-02 18-Dec-02 20-Dec-02 21-Dec-02 22-Dec-02 29-Dec-02

001 T T

003 T

013 007

T T

002 01 04

005 005 043 082

T 023

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3161

----- ------------ ----------- ------------ ----------- ------------ ------- --------- --------

------------ ----------- ------------ ----------- ------------ ------- --------- --------

----- ----------- ----- -------- ----------- ---- -------- ----------- ----- -------- --------- ----- ----------

----------- ----- -------- ----------- ---- -------- ----------- ----- -------- --------- ----- ----------

C Solids Production Point Loma Annual Monitoring Report

Solids Report ndash TOTALS

From 01-JAN-2002 To 31-DEC-2002

PtLoma MBC MBC Pt Loma Digested Combined Dewatered

Raw sludge Sludge Centrate Sludge Month Gallons Tons Gallons Tons Gallons Tons Wet Tons Dry Tons

01 30429127 5700 30291000 3062 66909000 740 10369 3029 02 26174515 4842 24508495 2513 59152000 526 8256 2112 03 34058333 5787 35010604 3247 72798000 728 9444 2912 04 35604478 5665 35384584 3134 71163000 762 9856 2922 05 34917761 5909 34775000 3263 69443700 776 10514 3129 06 35199170 5849 34825495 3304 64684400 662 10127 2997 07 34471522 6281 33632440 3366 54870000 822 10811 3040 08 35348030 6009 33550270 3300 72322652 870 11438 3269 09 34478353 5679 33285170 3199 71814347 841 10466 2969 10 34999803 5775 34089320 3245 71192444 809 11515 3301 11 34802038 5607 33722070 3168 73304527 839 9776 2992 12 35770257 5855 34582330 3259 75182463 896 11047 3373

avg 33854449 5747 33138065 3172 68569711 773 10302 3004 sum 406253387 68959 397656778 38060 822836533 9272 123618 36045

Solids Report - Daily Averages by Month From 01-JAN-2002 To 31-DEC-2002

PtLoma MBC MBC Pt Loma Digested Combined Dewatered

Raw sludge Sludge Centrate Sludge Month Gallons TS Tons Gallons TS Tons Gallons TS Tons Wet Tons TS Dry Tons

01 981585 45 184 977129 24 98 2158355 030 239 346 292 1010 02 934804 44 175 875303 25 87 2112571 020 188 295 287 812 03 1098656 41 188 1129374 22 107 2348323 020 235 305 309 1004 04 1186816 38 187 1179486 21 105 2372100 030 254 329 297 974 05 1126379 41 191 1121774 23 105 2240119 030 250 339 300 1009 06 1173306 40 194 1160850 23 110 2156147 030 245 338 294 999 07 1111985 44 203 1084917 24 109 1770000 040 265 349 283 981 08 1140259 41 193 1082267 24 105 2332989 030 281 369 285 1055 09 1149278 40 190 1109506 23 106 2393812 030 280 349 283 990 10 1129026 40 187 1099655 23 106 2296531 030 261 371 288 1065 11 1160068 39 187 1124069 23 106 2443484 030 280 326 305 997 12 1153879 39 188 1115559 23 103 2425241 030 289 356 307 1088

avg 1112170 41 189 1088324 23 104 2254139 029 256 339 294 999

Note A ton is a Ashort ton or 2000 lbs of dry solids Values for Wet Tons of dewatered sludge are based on calculated volumes from eight positive displacement cake pumps and are subject to inaccuracies The mechanical condition of the cake pumps and the variability of sludge concentrations can effect the overall accuracies of these reported values

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3162

----- ---------- ---------- ---------- ---------- ---------- --------- --------- --------- ------------ ------------ ------------ -------- ------- --------

---------- ---------- ---------- ---------- ---------- --------- --------- --------- ------------ ------------ ------------ -------- ------- --------

D Chemical usage Point Loma Annual Chemical Usage Report

Monthly Totals - 2002

ACTIVE Ferric Ferric Sodium Sodium Sodium Sodium Sodium Sodium Polymer Polymer Polymer Chloride Chloride hydroxide hydroxide hydroxide Hypochlorite Hypochlorite Hypochlorite Salt Salt Salt PtLoma PtLoma PtLoma PS 2 PtLoma PS 1 PS 2 PtLoma PS 1 PS 2 PtLoma PS 1 PS 2 PtLoma

Month Gallons Lbs Lbs Gallons Gallons Gallons Gallons Gallons Gallons Gallons Gallons Lbs Lbs Lbs

01 76736 671975 61188 201146 850 4795 100 26203 1800 17050 02 70651 618690 56021 177482 575 4648 37961 700 15400 03 75480 660981 63349 204324 300 5638 37910 550 17050 04 73720 645565 58126 192712 3272 39683 300 15950 05 76116 666547 72226 192951 215 7131 135 47972 17050 06 122520 6476 68567 192827 175 5693 825 39989 1800 7000 07 142124 5982 72249 206642 350 7152 900 48248 1400 0 08 136059 5724 73129 208179 225 6112 800 210 61481 950 8500 09 150026 6316 69689 217511 200 51 4701 1550 25 58079 1250 15000 10 154063 6484 72073 224547 125 5375 735 70 57716 500 15500 11 150367 6329 70459 220585 229 1052 4384 900 1555 36872 800 1500 15000 12 157707 6639 68999 229242 275 255 4612 5525 3547 26450 200 2200 15500

avg 115464 652752 6279 67173 205679 320 453 5293 1274 1081 43214 932 1850 13250 sum 1385568 3263758 43950 806075 2468148 3519 1358 63513 11470 5407 518564 10250 3700 159000

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3163

----- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -------- -------- -------- -----------

---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -------- -------- -------- -----------

----- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ------------- -------- -------- -------- ----------

---------- ---------- ---------- ---------- ---------- ---------- ---------- ------------- -------- -------- -------- ----------

E Gas Production Point Loma Wastewater Treatment Plant

Gas Report ndash 2002

Daily Monthly Averages

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 6614 8563 4082 9935 1406 29193 209 1659 1106 2975 02 6163 7614 4237 8796 1565 26810 246 1506 1144 2896 03 4925 6487 4427 7669 694 23508 174 1212 1685 3072 04 5131 6265 4019 6696 665 22111 150 1184 1723 3057 05 5170 6319 3992 6689 532 22169 38 2047 1061 3146 06 5163 6321 0 0 4037 6719 463 22241 17 1631 1435 3083 07 5257 6396 0 0 4073 6404 531 22130 30 1331 1755 3117 08 4988 6338 0 0 3877 5318 556 20520 37 1203 1752 2991 09 4972 6103 0 0 3644 4707 525 19426 42 1296 1547 2884 10 4700 5910 0 0 3880 5717 526 20207 43 1157 1632 2831 11 4914 6191 0 0 4152 6180 511 21436 10 1230 1694 2935 12 5048 6328 0 0 4278 6273 699 21926 161 1271 1524 2956

avg 5254 6570 0 0 4058 6758 723 22640 96 1394 1505 2995

Monthly Totals

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 205020 265460 126540 307970 43580 904990 6481 51433 34300 92214 02 172570 213180 118640 246290 43810 750680 6900 42159 32037 81096 03 152660 201090 137250 237750 21499 728750 5406 37572 52249 95227 04 153920 187960 120570 200880 19939 663330 4488 35526 51695 91709 05 160260 195880 123740 207370 16482 687250 1180 63459 32898 97537 06 154895 189634 0 0 121124 201564 13888 667217 504 48929 43056 92489 07 162980 198280 0 0 126270 198510 16460 686040 944 41273 54408 96625 08 154620 196470 0 0 120180 164850 17240 636120 1138 37280 54303 92721 09 149150 183100 0 0 109310 141220 15760 582780 1245 38878 46404 86527 10 145690 183210 0 0 120290 177220 16310 626410 1325 35858 50584 87767 11 147420 185720 0 0 124550 185390 15340 643080 300 36907 50833 88040 12 156480 196170 0 0 132620 194450 21670 679720 4989 39391 47244 91624

avg 159639 199680 0 0 123424 205289 21832 688031 2908 42389 45834 91131 sum 1915665 2396154 0 0 1481084 2463464 261978 8256367 34900 508665 550011 1093576

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3164

F Graphs of Chemical Usage

Point Loma - 2002 Ferric Chloride

50000

55000

60000

65000

70000

75000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Salt

9000

10000

11000

12000

13000

14000

15000

16000

17000

18000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3165

Point Loma - 2002 Sodium Hydroxide

4000

4500

5000

5500

6000

6500

7000

7500

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Polymer Active Polymer

0

100000

200000

300000

400000

500000

600000

700000

800000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3166

Point Loma - 2002 Sodium Hypochlorite

20000

25000

30000

35000

40000

45000

50000

55000

60000

65000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3167

G Facilities Out-of-service report (2002) Facilities that were out of service In 2002 by date

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 9 0101 0919 Contractor workpreventive

maintenance Sed Basin 10 0101 1219 Contractor workpreventive

maintenance Sed Basin 11 0101 0106 Poor removals Sed Basin 12 0101 1231 Contractor work Influent Screen 5 0101 0118 Maintenance SEOC 0103 0608 Contractor Sed Basin 7 0107 0222 Broken Flights Influent Screen 2 0118 0128 Maintenance Influent Screen 4 0128 0129 Maintenance Sed Basin 11 0128 1231 Contractor work Influent Screen 2 0129 0327 Maintenance East Influent Channel 0201 0605 Grit Scouring Sed Basin 1 0315 0319 Water line repair Influent Screen 3 0328 0521 Repair Sed Basin 3 0402 0403 Polymer line repair N1 Grit Basin 0507 0507 Line repair N2 Grit Basin 0512 0513 Line repair Influent Screen 1 0521 1002 Maintenance West Influent Channel

0605 0709 Grit scouring

C2 Grit Basin 0614 0614 Weld grit hopper East Influent Channel 0709 0828 Grit scouring Sed Basin 8 0718 0725 Object Retrieval N2 Grit Basin 0731 0731 Line repair West Influent Channel

0828 0925 Grit scouring

N2 Grit Basin 0902 0902 Line repair N1 Grit Basin 0903 0904 Line repair and equipment check N2 Grit Basin 0903 0904 Line repair and equipment check C1 Grit Basin 0903 0904 Line repair and equipment check C2 Grit Basin 0903 0904 Line repair and equipment check Sed Basin 1 0920 0924 Scum weir repair East Influent Channel 0925 1024 Grit scouring Sed Basin 6 0924 1005 Preventive Maintenance and scum

repair SEOC 1001 1001 Contractor Work Sed Basin 9 1005 1010 No raw sludge pumps available Sed Basin 6 1010 1219 Broken flights and scum repair West Influent Channel

1024 1127 Grit scouring

N2 Grit Basin 1125 1125 Line repair East Influent Channel 1127 1219 Grit Scouring N2 Grit Basin 1209 1211 Line repair Sed Basin 5 1219 1231 Preventive Maintenance and scum

repair West Influent Channel

1219 1231 Grit Scouring

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3168

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 8 1219 1231 Flight and scum trough repair

GRIT CHAMBERS N1 57 93-94 N2 512-513 92 93-94 1125 129-1211

C1 93-94 C2 614 93-94 S1 101-1231 S2 101-1231

CHANNELS

BASINS

EAST 21-65 79-828 925-1024 1127-1219

WEST 65-79 828-925 1024-1127 1219-1231

1 315-319 920-924 2 3 42-43

4 5 1219-1231 6 924-105 1010-1219 7 17-222 8 718-725 1219-1231 9 11-919 105-1010 10 11-1219 11 11-16 128-1231 12 11-1231

NORTH EFFLUENT SCREENS 11-13 SOUTH EFFLUENT SCREENS 13-68 101 INFLUENT SCREEN 1 521-102 INFLUENT SCREEN 2 118-128 129-327 INFLUENT SCREEN 3 328-521 INFLUENT SCREEN 4 128-129 INFLUENT SCREEN 5 11-118

DIGESTERS N1P N2P C1P 0101-1231 C2P 0101-1231 S1P S2P Dig 7 Dig 8 0101-0218 (New construction)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3169

SHUTDOWNS DATE FROM TO REASON

0105 0200 0430 Pump Station 2 work 0126 0200 0500 Build bulkhead in channel 0127 0200 0615 Build bulkhead in channel 0128 0200 0615 Build bulkhead in channel 0427 0130 0545 Pump Station 2 work 0829 0200 0600 Pump Station 2 work 0830 0200 0600 Pump Station 2 work 1005 0100 0515 Pump Station 2 work 1006 0100 0545 Pump Station 2 work 1115 0100 0430 Pump Station 2 work 1213 0100 555 Pump Station 2 work

1214 0055 0515 Pump Station 2 work

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3170

H Grit Analyses The following are reports of the analyses of grit samples taken from the Pt Loma WWTP headworks (grit removal chambers) in 2002 Reports include Title 22 analyses and Total Solids Although everywhere else in this report PLR refers to Point Loma WWTP raw Influent sewage in this section it refers to the grit removed from the grit chambers at the headworks building at the influent end of the plant Samples from the grit bins are taken daily for 7-8 consecutive days and composited together to form the annual sample

Point Loma Wastewater Treatment Plant Total Solids - Grit and Rags 2002 (WT)

Grit Monthly Averages

Rags Monthly Averages

JAN 496 JAN 449 FEB 470 FEB 416 MAR 494 MAR 450 APR 562 APR 436 MAY 624 MAY 480 JUN 532 JUN 446 JUL 540 JUL 415 AUG 568 AUG 422 SEP 519 SEP 490 OCT 628 OCT 420 NOV 568 NOV 485 DEC 558 DEC 373 AVG 547 AVG 440

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3171

Point Loma Wastewater Treatment Plant 2002 Grit Total Solids (WT) at Point Loma

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day WT WT WT WT WT WT WT WT WT WT WT WT

1 490 517 396 474 697 452 551 475 448 525 710 541 2 420 489 501 464 647 458 490 512 461 447 659 685 3 490 468 453 461 692 553 482 526 495 506 561 570 4 428 411 453 449 631 418 475 563 520 665 692 523 5 463 469 495 427 630 502 451 517 532 523 695 588 6 454 427 477 458 613 519 454 517 505 662 683 516 7 477 461 527 421 483 422 539 492 488 510 545 568 8 424 507 630 461 720 604 569 502 568 418 526 557 9 466 522 605 535 630 389 688 564 549 494 536 480

10 395 456 476 414 622 487 552 668 639 673 566 11 441 446 432 548 615 513 469 753 440 586 460 12 434 439 409 664 439 504 593 662 512 768 651 501 13 585 451 409 600 642 688 672 499 789 656 492 14 525 464 500 595 680 566 726 502 517 601 592 15 524 441 442 493 444 652 572 495 663 528 424 16 418 475 470 600 670 679 543 665 481 501 17 498 570 565 709 632 697 527 509 518 532 18 487 503 436 654 663 709 626 518 717 681 518 19 436 453 482 464 658 468 556 736 465 784 20 506 418 521 571 605 538 634 573 650 501 608 21 484 425 474 528 660 487 554 494 494 683 515 509 22 547 479 474 636 552 524 493 702 533 542 23 592 503 554 631 695 452 560 509 685 565 568 24 456 490 524 526 499 489 561 620 818 474 501 25 552 405 460 696 632 588 487 582 434 627 535 443 26 631 535 539 601 548 516 514 762 554 355 27 516 459 564 655 671 551 555 506 492 530 616 701 28 547 486 452 768 551 521 493 623 523 567 735 29 595 478 652 470 569 555 490 701 458 518 30 485 606 706 731 483 580 532 521 637 384 680 31 598 509 485 556 495 722 760

Avg 496 470 494 562 624 532 540 568 519 628 568 558 Min 395 405 396 414 439 389 451 475 434 418 384 355 Max 631 570 630 768 731 688 709 753 639 818 710 784

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3172

Title 22 reports for Grit POINT LOMA WASTEWATER TREATMENT PLANT

CALIFORNIA HAZARDOUS WASTE IDENTIFICATION TESTS (Title 22) Point Loma Quarterly Grit Composite

From 01-OCT-2002 to 31-DEC-2002 Sampled by Point Loma Operations Analyzed by BOAG8CJRFJZIIENLXPDXSJRVTSBHHBKODEVL Source PLR Sample ID P190180 Sample Date 14-OCT-2002

CA Healthamp INORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit 40 CFR 503 Safety Code

Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt Limits Limits Constituent MDL Units mgKg mgKg mgKg mgL mgL mgKg mgK g ===================== ==== ======== =========== =========== =========== =========== =========== =========== ============= Antimony 5 mgkg 11 7 500 15 Arsenic 33 mgkg 29 19 500 50 41 Barium 042 mgkg 79 50 10000 100 Beryllium 2 mgkg ND ND 75 075 Cadmium 5 mgkg 08 05 100 10 39 Chromium (VI) NA mgkg NA NA 500 50 Chromium 3 mgkg 26 17 2500 560 1200 Cobalt 8 mgkg ND ND 8000 80 Copper 2 mgkg 221 141 2500 25 1500 2500 Lead 5 mgkg 8 5 1000 50 300 350 Mercury 003 mgkg 01 01 20 02 17 Molybdenum 6 mgkg 3 19 3500 3500 Nickel 3 mgkg 13 8 2000 20 420 2000 Selenium 24 mgkg ND ND 100 10 36 Silver 3 mgkg ND ND 500 50 Thallium 10 mgkg ND ND 700 70 Vanadium 14 mgkg 108 69 2400 24 Zinc 4 mgkg 273 174 5000 250 2800 Fluoride NA mgkg NA NA 18000 180 Sulfides-Reactive mgkg NA NA NA Sulfides-Total mgkg NA NA NA Total Solids NA Wt 638 NA Total Volatile Solids NA Wt 253 pH NA pH Units 673 gt2 - lt 12 ===================== ==== ======== =========== =========== =========== =========== =========== =========== ===========

ORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt

Constituent MDL Units mgKg mgKg mgKg mgL mgL ================= ======== ===== =========== =========== =========== =========== =========== Aldrin 000002 mgKg ND ND 14 014 Chlordanes 0000014 mgKg ND ND 25 025 DDT DDE DDD 000004 mgKg 001080 000689 10 010 24-D 34 mgKg ND ND 100 10 Dieldrin 000002 mgKg ND ND 80 08 Endrin 000003 mgKg ND ND 02 002 Heptachlor 0000003 mgKg ND ND 47 047 Kepone NA mgKg NA ND 21 2 Lindane 000001 mgKg ND ND 40 04 Methoxychlor NA mgKg ND ND 100 10 Mirex 000002 mgKg ND ND 21 2 Pentachlorophenol 08 mgKg ND ND 17 17 PCBs (Arochlors) NA mgKg ND ND 50 50 Toxaphene 000024 mgKg ND ND 5 05 Trichloroethene 00253 mgKg ND ND 2040 204 245-TP 44 mgKg ND ND 10 1 ================= ======== ===== =========== =========== =========== =========== =========== ND= not detected NA = not analyzed = not reportable failed QC criteria

TTLC = Total Threshold Limit Concentration STLC = Soluble Threshold Limit Concentration WET = Waste Extraction Technique = The total concentration is less than 10 times the STLC Therefore by definition

this substance is present in concentrations that are less than the limits for hazardous wastes = Limits are in mgKg (dry weight) based on 40 CFR part 50313 Table 3 Limits for Land Application = The California State Health and Safety Code 251578 established lower a limit for Lead NA = Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required MDL = Method Detection Limit (are in mgKg per dry weight except for pH and Total and Volatile Solids) MBCDEWCN = Metro Biosolids Center Dewatered Centrifuged Sludge TTLC = Total Threshold Limit Concentration

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3173

POINT LOMA WASTEWATER TREATMENT PLANT QUARTERLY GRIT COMPOSITES Inorganics and Organics

From 01-JAN-2002 to 31-DEC-2002

GRIT COMP 14-OCT-2002

Analyte MDL Units P190180 ============================== ====== ===== ============ Aluminum 5 MGKG 3020 Antimony 5 MGKG 110 Arsenic 33 MGKG 287 Barium 042 MGKG 794 Beryllium 2 MGKG ND Cadmium 5 MGKG 08 Chromium 3 MGKG 26 Cobalt 8 MGKG ND Copper 2 MGKG 221 Iron 3 MGKG 12900 Lead 5 MGKG 8 Manganese 48 MGKG 151 Mercury 003 MGKG 014 Molybdenum 6 MGKG 32 Nickel 3 MGKG 13 Selenium 24 MGKG lt024 Silver 3 MGKG ND Thallium 10 MGKG ND Vanadium 14 MGKG 108 Zinc 4 MGKG 273 Fluoride MGKG NA Sulfides-Reactive MGKG NA Sulfides-Total MGKG NA pH PH 673 Total Solids 24 WT 638 Total Volatile Solids 11 WT 253 Aldrin 8000 MGKG ND 24-dichlorophenoxyacetic acid 684 MGKG ND Dieldrin 16000 MGKG ND Endrin 8000 MGKG ND Heptachlor 6000 MGKG ND Kepone MGKG NA BHC Gamma isomer 2000 MGKG ND Methoxychlor 71000 MGKG ND Pentachlorophenol 5850 MGKG ND Toxaphene 130000 MGKG ND Trichloroethene MGKG NA 245-TP (Silvex) 633 MGKG ND CyanidesTotal MGKG NA

NA= Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3174

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

1 2 3 4 5 6 7 8 9 10 11 12

Point Loma Wastewater Treatment Plant 2002 Dry Daily Flows (mgd)

150

155

160

165

170

175

180

185

190

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

10

2

Date

Flo

w (M

illio

n G

allo

ns

Day

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3159

5

10

15

20

25

30

Point Loma Wastewater Treatment Plant 2002 Dry Flows (mgd)

Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1 1601 2 1667 3 4 1778

1694 6 1715 7 1729 8 1682 9 1687

1724 11 1670 12 1729 13 1711 14 1766

1689 16 1676 17 1697

1718 1704 1731 1754 1694 1690 1707 1641 1747 1744 1693 1646 1663 1716 1697 1685

1666 1687 1755 1698 1661 1675

1737 1791 1725 1681 1702 1720

18 19 1685

1719 21 1762 22 1680 23 1693 24 1722

26 1706 27 1734

1710 1753 1684 1745 1715 1728 1675 1732 1713 1740 1701 1738 1688 1737 1722 1708

28 1677 1707 29

1747 1741 31 1752 1678

1670 1685 1664 1705 1707

1765 1737 1730 1668 1657 1733 1694 1707

1689

1691 1674 1697 1728 1754 1712

1699

1762 1765

1674 1703 1690 1705 1704 1715 1618 1601 1649 1611 1632 1636 1640 1653 1609 1654 1618 1682 1696 1673 1615 1623 1643 1628 1577 1585 1700 1629 1663 1594 1754

1676 1691 1684 1608 1619 1729 1703

1704 1674 1667 1697 1703 1741 1712 1729 1724 1698 1720

1651 1664 1691 1664 1627 1642 1642 1743 1702

1724 1667 1619 1676 1616 1676 1642 1692 1655 1657 1688 1714 1742 1705 1726 1697 1713 1724 1681 1672 1646 1682 1697 1681 1707 1686 1694 1668 1705 1654 1644

1595 1585 1608 1713 1637 1726 1628 1668 1655 1649 1678 1663 1696 1707 1672 1665 1679 1665 1705 1654 1688 1680 1668

1696 1657 1678 1682 1675 1693 1664 1732 1674 1689 1670 1696 1634 1674 1681 1649 1668 1839 1693 1663 1663 1661 1799 1636 1715 1633 1730 1716 1651 1649 1667 1677 1718 1661 1663 1676 1702 1728 1678 1664 1669 1657 1660 1637 1633 1685 1681 1656 1678 1683 1707 1644 1653 1644 1683 1645 1674 1692 1678 1784 1652 1640 1709 1677 1632 1686 1672 1662 1647 1733 1653 1651 1648 1688 1652 1646 1752 1678 1655 1630 1708 1725 1654 1674 1664 1570 1693 1653 1634 1663 1636 1706 1725 1682 1645 1669 1690 1642 1618 1642 1679 1730 1727 1650 1612 1755

Average 1708 1702 1717 1708 1651 1685 1682 1657 1670 1669 1692 1687 Minimum 1601 1641 1661 1657 1577 1608 1616 1595 1585 1612 1608 1570 Maximum 1778 1754 1791 1765 1754 1743 1742 1715 1733 1730 1839 1784 Total 44415 44251 37764 39293 51170 45505 52150 49715 41739 45052 38919 40498

Annual Summary 1686 1570 1839

530469

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3160

B Rain Days

Total Precipitation =423 A Maximum = 083A Trace = T

First Quarter

Second Quarter

Third Quarter

Fourth Quarter

Date Rain Date Rain Date Rain Date Rain

3-Jan-02 18-Jan-02 25-Jan-02 28-Jan-02 29-Jan-02 17-Feb-02 18-Feb-02 7-Mar-02 8-Mar-02

15-Mar-02 16-Mar-02 17-Mar-02 18-Mar-02 23-Mar-02 24-Mar-02 29-Mar-02

014 T T

012 006 017

T 003 001 002 002 031 006

T 001

T

6-Apr-02 15-Apr-02 17-Apr-02 24-Apr-02 26-Apr-02 27-Apr-02 30-Apr-02 8-Jun-02 9-Jun-02

21-Jun-02

009 005 002 022 025

T T T T T

6-Aug-02 5-Sep-02 6-Sep-02 7-Sep-02

29-Sep-02 30-Sep-02

T T

013 018

T T

1-Oct-02 16-Oct-02 25-Oct-02 26-Oct-02 7-Nov-02 8-Nov-02 9-Nov-02

26-Nov-02 27-Nov-02 28-Nov-02 29-Nov-02 16-Dec-02 17-Dec-02 18-Dec-02 20-Dec-02 21-Dec-02 22-Dec-02 29-Dec-02

001 T T

003 T

013 007

T T

002 01 04

005 005 043 082

T 023

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3161

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------------ ----------- ------------ ----------- ------------ ------- --------- --------

----- ----------- ----- -------- ----------- ---- -------- ----------- ----- -------- --------- ----- ----------

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C Solids Production Point Loma Annual Monitoring Report

Solids Report ndash TOTALS

From 01-JAN-2002 To 31-DEC-2002

PtLoma MBC MBC Pt Loma Digested Combined Dewatered

Raw sludge Sludge Centrate Sludge Month Gallons Tons Gallons Tons Gallons Tons Wet Tons Dry Tons

01 30429127 5700 30291000 3062 66909000 740 10369 3029 02 26174515 4842 24508495 2513 59152000 526 8256 2112 03 34058333 5787 35010604 3247 72798000 728 9444 2912 04 35604478 5665 35384584 3134 71163000 762 9856 2922 05 34917761 5909 34775000 3263 69443700 776 10514 3129 06 35199170 5849 34825495 3304 64684400 662 10127 2997 07 34471522 6281 33632440 3366 54870000 822 10811 3040 08 35348030 6009 33550270 3300 72322652 870 11438 3269 09 34478353 5679 33285170 3199 71814347 841 10466 2969 10 34999803 5775 34089320 3245 71192444 809 11515 3301 11 34802038 5607 33722070 3168 73304527 839 9776 2992 12 35770257 5855 34582330 3259 75182463 896 11047 3373

avg 33854449 5747 33138065 3172 68569711 773 10302 3004 sum 406253387 68959 397656778 38060 822836533 9272 123618 36045

Solids Report - Daily Averages by Month From 01-JAN-2002 To 31-DEC-2002

PtLoma MBC MBC Pt Loma Digested Combined Dewatered

Raw sludge Sludge Centrate Sludge Month Gallons TS Tons Gallons TS Tons Gallons TS Tons Wet Tons TS Dry Tons

01 981585 45 184 977129 24 98 2158355 030 239 346 292 1010 02 934804 44 175 875303 25 87 2112571 020 188 295 287 812 03 1098656 41 188 1129374 22 107 2348323 020 235 305 309 1004 04 1186816 38 187 1179486 21 105 2372100 030 254 329 297 974 05 1126379 41 191 1121774 23 105 2240119 030 250 339 300 1009 06 1173306 40 194 1160850 23 110 2156147 030 245 338 294 999 07 1111985 44 203 1084917 24 109 1770000 040 265 349 283 981 08 1140259 41 193 1082267 24 105 2332989 030 281 369 285 1055 09 1149278 40 190 1109506 23 106 2393812 030 280 349 283 990 10 1129026 40 187 1099655 23 106 2296531 030 261 371 288 1065 11 1160068 39 187 1124069 23 106 2443484 030 280 326 305 997 12 1153879 39 188 1115559 23 103 2425241 030 289 356 307 1088

avg 1112170 41 189 1088324 23 104 2254139 029 256 339 294 999

Note A ton is a Ashort ton or 2000 lbs of dry solids Values for Wet Tons of dewatered sludge are based on calculated volumes from eight positive displacement cake pumps and are subject to inaccuracies The mechanical condition of the cake pumps and the variability of sludge concentrations can effect the overall accuracies of these reported values

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3162

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D Chemical usage Point Loma Annual Chemical Usage Report

Monthly Totals - 2002

ACTIVE Ferric Ferric Sodium Sodium Sodium Sodium Sodium Sodium Polymer Polymer Polymer Chloride Chloride hydroxide hydroxide hydroxide Hypochlorite Hypochlorite Hypochlorite Salt Salt Salt PtLoma PtLoma PtLoma PS 2 PtLoma PS 1 PS 2 PtLoma PS 1 PS 2 PtLoma PS 1 PS 2 PtLoma

Month Gallons Lbs Lbs Gallons Gallons Gallons Gallons Gallons Gallons Gallons Gallons Lbs Lbs Lbs

01 76736 671975 61188 201146 850 4795 100 26203 1800 17050 02 70651 618690 56021 177482 575 4648 37961 700 15400 03 75480 660981 63349 204324 300 5638 37910 550 17050 04 73720 645565 58126 192712 3272 39683 300 15950 05 76116 666547 72226 192951 215 7131 135 47972 17050 06 122520 6476 68567 192827 175 5693 825 39989 1800 7000 07 142124 5982 72249 206642 350 7152 900 48248 1400 0 08 136059 5724 73129 208179 225 6112 800 210 61481 950 8500 09 150026 6316 69689 217511 200 51 4701 1550 25 58079 1250 15000 10 154063 6484 72073 224547 125 5375 735 70 57716 500 15500 11 150367 6329 70459 220585 229 1052 4384 900 1555 36872 800 1500 15000 12 157707 6639 68999 229242 275 255 4612 5525 3547 26450 200 2200 15500

avg 115464 652752 6279 67173 205679 320 453 5293 1274 1081 43214 932 1850 13250 sum 1385568 3263758 43950 806075 2468148 3519 1358 63513 11470 5407 518564 10250 3700 159000

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3163

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E Gas Production Point Loma Wastewater Treatment Plant

Gas Report ndash 2002

Daily Monthly Averages

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 6614 8563 4082 9935 1406 29193 209 1659 1106 2975 02 6163 7614 4237 8796 1565 26810 246 1506 1144 2896 03 4925 6487 4427 7669 694 23508 174 1212 1685 3072 04 5131 6265 4019 6696 665 22111 150 1184 1723 3057 05 5170 6319 3992 6689 532 22169 38 2047 1061 3146 06 5163 6321 0 0 4037 6719 463 22241 17 1631 1435 3083 07 5257 6396 0 0 4073 6404 531 22130 30 1331 1755 3117 08 4988 6338 0 0 3877 5318 556 20520 37 1203 1752 2991 09 4972 6103 0 0 3644 4707 525 19426 42 1296 1547 2884 10 4700 5910 0 0 3880 5717 526 20207 43 1157 1632 2831 11 4914 6191 0 0 4152 6180 511 21436 10 1230 1694 2935 12 5048 6328 0 0 4278 6273 699 21926 161 1271 1524 2956

avg 5254 6570 0 0 4058 6758 723 22640 96 1394 1505 2995

Monthly Totals

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 205020 265460 126540 307970 43580 904990 6481 51433 34300 92214 02 172570 213180 118640 246290 43810 750680 6900 42159 32037 81096 03 152660 201090 137250 237750 21499 728750 5406 37572 52249 95227 04 153920 187960 120570 200880 19939 663330 4488 35526 51695 91709 05 160260 195880 123740 207370 16482 687250 1180 63459 32898 97537 06 154895 189634 0 0 121124 201564 13888 667217 504 48929 43056 92489 07 162980 198280 0 0 126270 198510 16460 686040 944 41273 54408 96625 08 154620 196470 0 0 120180 164850 17240 636120 1138 37280 54303 92721 09 149150 183100 0 0 109310 141220 15760 582780 1245 38878 46404 86527 10 145690 183210 0 0 120290 177220 16310 626410 1325 35858 50584 87767 11 147420 185720 0 0 124550 185390 15340 643080 300 36907 50833 88040 12 156480 196170 0 0 132620 194450 21670 679720 4989 39391 47244 91624

avg 159639 199680 0 0 123424 205289 21832 688031 2908 42389 45834 91131 sum 1915665 2396154 0 0 1481084 2463464 261978 8256367 34900 508665 550011 1093576

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3164

F Graphs of Chemical Usage

Point Loma - 2002 Ferric Chloride

50000

55000

60000

65000

70000

75000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Salt

9000

10000

11000

12000

13000

14000

15000

16000

17000

18000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3165

Point Loma - 2002 Sodium Hydroxide

4000

4500

5000

5500

6000

6500

7000

7500

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Polymer Active Polymer

0

100000

200000

300000

400000

500000

600000

700000

800000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3166

Point Loma - 2002 Sodium Hypochlorite

20000

25000

30000

35000

40000

45000

50000

55000

60000

65000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3167

G Facilities Out-of-service report (2002) Facilities that were out of service In 2002 by date

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 9 0101 0919 Contractor workpreventive

maintenance Sed Basin 10 0101 1219 Contractor workpreventive

maintenance Sed Basin 11 0101 0106 Poor removals Sed Basin 12 0101 1231 Contractor work Influent Screen 5 0101 0118 Maintenance SEOC 0103 0608 Contractor Sed Basin 7 0107 0222 Broken Flights Influent Screen 2 0118 0128 Maintenance Influent Screen 4 0128 0129 Maintenance Sed Basin 11 0128 1231 Contractor work Influent Screen 2 0129 0327 Maintenance East Influent Channel 0201 0605 Grit Scouring Sed Basin 1 0315 0319 Water line repair Influent Screen 3 0328 0521 Repair Sed Basin 3 0402 0403 Polymer line repair N1 Grit Basin 0507 0507 Line repair N2 Grit Basin 0512 0513 Line repair Influent Screen 1 0521 1002 Maintenance West Influent Channel

0605 0709 Grit scouring

C2 Grit Basin 0614 0614 Weld grit hopper East Influent Channel 0709 0828 Grit scouring Sed Basin 8 0718 0725 Object Retrieval N2 Grit Basin 0731 0731 Line repair West Influent Channel

0828 0925 Grit scouring

N2 Grit Basin 0902 0902 Line repair N1 Grit Basin 0903 0904 Line repair and equipment check N2 Grit Basin 0903 0904 Line repair and equipment check C1 Grit Basin 0903 0904 Line repair and equipment check C2 Grit Basin 0903 0904 Line repair and equipment check Sed Basin 1 0920 0924 Scum weir repair East Influent Channel 0925 1024 Grit scouring Sed Basin 6 0924 1005 Preventive Maintenance and scum

repair SEOC 1001 1001 Contractor Work Sed Basin 9 1005 1010 No raw sludge pumps available Sed Basin 6 1010 1219 Broken flights and scum repair West Influent Channel

1024 1127 Grit scouring

N2 Grit Basin 1125 1125 Line repair East Influent Channel 1127 1219 Grit Scouring N2 Grit Basin 1209 1211 Line repair Sed Basin 5 1219 1231 Preventive Maintenance and scum

repair West Influent Channel

1219 1231 Grit Scouring

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3168

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 8 1219 1231 Flight and scum trough repair

GRIT CHAMBERS N1 57 93-94 N2 512-513 92 93-94 1125 129-1211

C1 93-94 C2 614 93-94 S1 101-1231 S2 101-1231

CHANNELS

BASINS

EAST 21-65 79-828 925-1024 1127-1219

WEST 65-79 828-925 1024-1127 1219-1231

1 315-319 920-924 2 3 42-43

4 5 1219-1231 6 924-105 1010-1219 7 17-222 8 718-725 1219-1231 9 11-919 105-1010 10 11-1219 11 11-16 128-1231 12 11-1231

NORTH EFFLUENT SCREENS 11-13 SOUTH EFFLUENT SCREENS 13-68 101 INFLUENT SCREEN 1 521-102 INFLUENT SCREEN 2 118-128 129-327 INFLUENT SCREEN 3 328-521 INFLUENT SCREEN 4 128-129 INFLUENT SCREEN 5 11-118

DIGESTERS N1P N2P C1P 0101-1231 C2P 0101-1231 S1P S2P Dig 7 Dig 8 0101-0218 (New construction)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3169

SHUTDOWNS DATE FROM TO REASON

0105 0200 0430 Pump Station 2 work 0126 0200 0500 Build bulkhead in channel 0127 0200 0615 Build bulkhead in channel 0128 0200 0615 Build bulkhead in channel 0427 0130 0545 Pump Station 2 work 0829 0200 0600 Pump Station 2 work 0830 0200 0600 Pump Station 2 work 1005 0100 0515 Pump Station 2 work 1006 0100 0545 Pump Station 2 work 1115 0100 0430 Pump Station 2 work 1213 0100 555 Pump Station 2 work

1214 0055 0515 Pump Station 2 work

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3170

H Grit Analyses The following are reports of the analyses of grit samples taken from the Pt Loma WWTP headworks (grit removal chambers) in 2002 Reports include Title 22 analyses and Total Solids Although everywhere else in this report PLR refers to Point Loma WWTP raw Influent sewage in this section it refers to the grit removed from the grit chambers at the headworks building at the influent end of the plant Samples from the grit bins are taken daily for 7-8 consecutive days and composited together to form the annual sample

Point Loma Wastewater Treatment Plant Total Solids - Grit and Rags 2002 (WT)

Grit Monthly Averages

Rags Monthly Averages

JAN 496 JAN 449 FEB 470 FEB 416 MAR 494 MAR 450 APR 562 APR 436 MAY 624 MAY 480 JUN 532 JUN 446 JUL 540 JUL 415 AUG 568 AUG 422 SEP 519 SEP 490 OCT 628 OCT 420 NOV 568 NOV 485 DEC 558 DEC 373 AVG 547 AVG 440

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3171

Point Loma Wastewater Treatment Plant 2002 Grit Total Solids (WT) at Point Loma

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day WT WT WT WT WT WT WT WT WT WT WT WT

1 490 517 396 474 697 452 551 475 448 525 710 541 2 420 489 501 464 647 458 490 512 461 447 659 685 3 490 468 453 461 692 553 482 526 495 506 561 570 4 428 411 453 449 631 418 475 563 520 665 692 523 5 463 469 495 427 630 502 451 517 532 523 695 588 6 454 427 477 458 613 519 454 517 505 662 683 516 7 477 461 527 421 483 422 539 492 488 510 545 568 8 424 507 630 461 720 604 569 502 568 418 526 557 9 466 522 605 535 630 389 688 564 549 494 536 480

10 395 456 476 414 622 487 552 668 639 673 566 11 441 446 432 548 615 513 469 753 440 586 460 12 434 439 409 664 439 504 593 662 512 768 651 501 13 585 451 409 600 642 688 672 499 789 656 492 14 525 464 500 595 680 566 726 502 517 601 592 15 524 441 442 493 444 652 572 495 663 528 424 16 418 475 470 600 670 679 543 665 481 501 17 498 570 565 709 632 697 527 509 518 532 18 487 503 436 654 663 709 626 518 717 681 518 19 436 453 482 464 658 468 556 736 465 784 20 506 418 521 571 605 538 634 573 650 501 608 21 484 425 474 528 660 487 554 494 494 683 515 509 22 547 479 474 636 552 524 493 702 533 542 23 592 503 554 631 695 452 560 509 685 565 568 24 456 490 524 526 499 489 561 620 818 474 501 25 552 405 460 696 632 588 487 582 434 627 535 443 26 631 535 539 601 548 516 514 762 554 355 27 516 459 564 655 671 551 555 506 492 530 616 701 28 547 486 452 768 551 521 493 623 523 567 735 29 595 478 652 470 569 555 490 701 458 518 30 485 606 706 731 483 580 532 521 637 384 680 31 598 509 485 556 495 722 760

Avg 496 470 494 562 624 532 540 568 519 628 568 558 Min 395 405 396 414 439 389 451 475 434 418 384 355 Max 631 570 630 768 731 688 709 753 639 818 710 784

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3172

Title 22 reports for Grit POINT LOMA WASTEWATER TREATMENT PLANT

CALIFORNIA HAZARDOUS WASTE IDENTIFICATION TESTS (Title 22) Point Loma Quarterly Grit Composite

From 01-OCT-2002 to 31-DEC-2002 Sampled by Point Loma Operations Analyzed by BOAG8CJRFJZIIENLXPDXSJRVTSBHHBKODEVL Source PLR Sample ID P190180 Sample Date 14-OCT-2002

CA Healthamp INORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit 40 CFR 503 Safety Code

Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt Limits Limits Constituent MDL Units mgKg mgKg mgKg mgL mgL mgKg mgK g ===================== ==== ======== =========== =========== =========== =========== =========== =========== ============= Antimony 5 mgkg 11 7 500 15 Arsenic 33 mgkg 29 19 500 50 41 Barium 042 mgkg 79 50 10000 100 Beryllium 2 mgkg ND ND 75 075 Cadmium 5 mgkg 08 05 100 10 39 Chromium (VI) NA mgkg NA NA 500 50 Chromium 3 mgkg 26 17 2500 560 1200 Cobalt 8 mgkg ND ND 8000 80 Copper 2 mgkg 221 141 2500 25 1500 2500 Lead 5 mgkg 8 5 1000 50 300 350 Mercury 003 mgkg 01 01 20 02 17 Molybdenum 6 mgkg 3 19 3500 3500 Nickel 3 mgkg 13 8 2000 20 420 2000 Selenium 24 mgkg ND ND 100 10 36 Silver 3 mgkg ND ND 500 50 Thallium 10 mgkg ND ND 700 70 Vanadium 14 mgkg 108 69 2400 24 Zinc 4 mgkg 273 174 5000 250 2800 Fluoride NA mgkg NA NA 18000 180 Sulfides-Reactive mgkg NA NA NA Sulfides-Total mgkg NA NA NA Total Solids NA Wt 638 NA Total Volatile Solids NA Wt 253 pH NA pH Units 673 gt2 - lt 12 ===================== ==== ======== =========== =========== =========== =========== =========== =========== ===========

ORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt

Constituent MDL Units mgKg mgKg mgKg mgL mgL ================= ======== ===== =========== =========== =========== =========== =========== Aldrin 000002 mgKg ND ND 14 014 Chlordanes 0000014 mgKg ND ND 25 025 DDT DDE DDD 000004 mgKg 001080 000689 10 010 24-D 34 mgKg ND ND 100 10 Dieldrin 000002 mgKg ND ND 80 08 Endrin 000003 mgKg ND ND 02 002 Heptachlor 0000003 mgKg ND ND 47 047 Kepone NA mgKg NA ND 21 2 Lindane 000001 mgKg ND ND 40 04 Methoxychlor NA mgKg ND ND 100 10 Mirex 000002 mgKg ND ND 21 2 Pentachlorophenol 08 mgKg ND ND 17 17 PCBs (Arochlors) NA mgKg ND ND 50 50 Toxaphene 000024 mgKg ND ND 5 05 Trichloroethene 00253 mgKg ND ND 2040 204 245-TP 44 mgKg ND ND 10 1 ================= ======== ===== =========== =========== =========== =========== =========== ND= not detected NA = not analyzed = not reportable failed QC criteria

TTLC = Total Threshold Limit Concentration STLC = Soluble Threshold Limit Concentration WET = Waste Extraction Technique = The total concentration is less than 10 times the STLC Therefore by definition

this substance is present in concentrations that are less than the limits for hazardous wastes = Limits are in mgKg (dry weight) based on 40 CFR part 50313 Table 3 Limits for Land Application = The California State Health and Safety Code 251578 established lower a limit for Lead NA = Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required MDL = Method Detection Limit (are in mgKg per dry weight except for pH and Total and Volatile Solids) MBCDEWCN = Metro Biosolids Center Dewatered Centrifuged Sludge TTLC = Total Threshold Limit Concentration

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3173

POINT LOMA WASTEWATER TREATMENT PLANT QUARTERLY GRIT COMPOSITES Inorganics and Organics

From 01-JAN-2002 to 31-DEC-2002

GRIT COMP 14-OCT-2002

Analyte MDL Units P190180 ============================== ====== ===== ============ Aluminum 5 MGKG 3020 Antimony 5 MGKG 110 Arsenic 33 MGKG 287 Barium 042 MGKG 794 Beryllium 2 MGKG ND Cadmium 5 MGKG 08 Chromium 3 MGKG 26 Cobalt 8 MGKG ND Copper 2 MGKG 221 Iron 3 MGKG 12900 Lead 5 MGKG 8 Manganese 48 MGKG 151 Mercury 003 MGKG 014 Molybdenum 6 MGKG 32 Nickel 3 MGKG 13 Selenium 24 MGKG lt024 Silver 3 MGKG ND Thallium 10 MGKG ND Vanadium 14 MGKG 108 Zinc 4 MGKG 273 Fluoride MGKG NA Sulfides-Reactive MGKG NA Sulfides-Total MGKG NA pH PH 673 Total Solids 24 WT 638 Total Volatile Solids 11 WT 253 Aldrin 8000 MGKG ND 24-dichlorophenoxyacetic acid 684 MGKG ND Dieldrin 16000 MGKG ND Endrin 8000 MGKG ND Heptachlor 6000 MGKG ND Kepone MGKG NA BHC Gamma isomer 2000 MGKG ND Methoxychlor 71000 MGKG ND Pentachlorophenol 5850 MGKG ND Toxaphene 130000 MGKG ND Trichloroethene MGKG NA 245-TP (Silvex) 633 MGKG ND CyanidesTotal MGKG NA

NA= Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3174

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

5

10

15

20

25

30

Point Loma Wastewater Treatment Plant 2002 Dry Flows (mgd)

Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1 1601 2 1667 3 4 1778

1694 6 1715 7 1729 8 1682 9 1687

1724 11 1670 12 1729 13 1711 14 1766

1689 16 1676 17 1697

1718 1704 1731 1754 1694 1690 1707 1641 1747 1744 1693 1646 1663 1716 1697 1685

1666 1687 1755 1698 1661 1675

1737 1791 1725 1681 1702 1720

18 19 1685

1719 21 1762 22 1680 23 1693 24 1722

26 1706 27 1734

1710 1753 1684 1745 1715 1728 1675 1732 1713 1740 1701 1738 1688 1737 1722 1708

28 1677 1707 29

1747 1741 31 1752 1678

1670 1685 1664 1705 1707

1765 1737 1730 1668 1657 1733 1694 1707

1689

1691 1674 1697 1728 1754 1712

1699

1762 1765

1674 1703 1690 1705 1704 1715 1618 1601 1649 1611 1632 1636 1640 1653 1609 1654 1618 1682 1696 1673 1615 1623 1643 1628 1577 1585 1700 1629 1663 1594 1754

1676 1691 1684 1608 1619 1729 1703

1704 1674 1667 1697 1703 1741 1712 1729 1724 1698 1720

1651 1664 1691 1664 1627 1642 1642 1743 1702

1724 1667 1619 1676 1616 1676 1642 1692 1655 1657 1688 1714 1742 1705 1726 1697 1713 1724 1681 1672 1646 1682 1697 1681 1707 1686 1694 1668 1705 1654 1644

1595 1585 1608 1713 1637 1726 1628 1668 1655 1649 1678 1663 1696 1707 1672 1665 1679 1665 1705 1654 1688 1680 1668

1696 1657 1678 1682 1675 1693 1664 1732 1674 1689 1670 1696 1634 1674 1681 1649 1668 1839 1693 1663 1663 1661 1799 1636 1715 1633 1730 1716 1651 1649 1667 1677 1718 1661 1663 1676 1702 1728 1678 1664 1669 1657 1660 1637 1633 1685 1681 1656 1678 1683 1707 1644 1653 1644 1683 1645 1674 1692 1678 1784 1652 1640 1709 1677 1632 1686 1672 1662 1647 1733 1653 1651 1648 1688 1652 1646 1752 1678 1655 1630 1708 1725 1654 1674 1664 1570 1693 1653 1634 1663 1636 1706 1725 1682 1645 1669 1690 1642 1618 1642 1679 1730 1727 1650 1612 1755

Average 1708 1702 1717 1708 1651 1685 1682 1657 1670 1669 1692 1687 Minimum 1601 1641 1661 1657 1577 1608 1616 1595 1585 1612 1608 1570 Maximum 1778 1754 1791 1765 1754 1743 1742 1715 1733 1730 1839 1784 Total 44415 44251 37764 39293 51170 45505 52150 49715 41739 45052 38919 40498

Annual Summary 1686 1570 1839

530469

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3160

B Rain Days

Total Precipitation =423 A Maximum = 083A Trace = T

First Quarter

Second Quarter

Third Quarter

Fourth Quarter

Date Rain Date Rain Date Rain Date Rain

3-Jan-02 18-Jan-02 25-Jan-02 28-Jan-02 29-Jan-02 17-Feb-02 18-Feb-02 7-Mar-02 8-Mar-02

15-Mar-02 16-Mar-02 17-Mar-02 18-Mar-02 23-Mar-02 24-Mar-02 29-Mar-02

014 T T

012 006 017

T 003 001 002 002 031 006

T 001

T

6-Apr-02 15-Apr-02 17-Apr-02 24-Apr-02 26-Apr-02 27-Apr-02 30-Apr-02 8-Jun-02 9-Jun-02

21-Jun-02

009 005 002 022 025

T T T T T

6-Aug-02 5-Sep-02 6-Sep-02 7-Sep-02

29-Sep-02 30-Sep-02

T T

013 018

T T

1-Oct-02 16-Oct-02 25-Oct-02 26-Oct-02 7-Nov-02 8-Nov-02 9-Nov-02

26-Nov-02 27-Nov-02 28-Nov-02 29-Nov-02 16-Dec-02 17-Dec-02 18-Dec-02 20-Dec-02 21-Dec-02 22-Dec-02 29-Dec-02

001 T T

003 T

013 007

T T

002 01 04

005 005 043 082

T 023

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3161

----- ------------ ----------- ------------ ----------- ------------ ------- --------- --------

------------ ----------- ------------ ----------- ------------ ------- --------- --------

----- ----------- ----- -------- ----------- ---- -------- ----------- ----- -------- --------- ----- ----------

----------- ----- -------- ----------- ---- -------- ----------- ----- -------- --------- ----- ----------

C Solids Production Point Loma Annual Monitoring Report

Solids Report ndash TOTALS

From 01-JAN-2002 To 31-DEC-2002

PtLoma MBC MBC Pt Loma Digested Combined Dewatered

Raw sludge Sludge Centrate Sludge Month Gallons Tons Gallons Tons Gallons Tons Wet Tons Dry Tons

01 30429127 5700 30291000 3062 66909000 740 10369 3029 02 26174515 4842 24508495 2513 59152000 526 8256 2112 03 34058333 5787 35010604 3247 72798000 728 9444 2912 04 35604478 5665 35384584 3134 71163000 762 9856 2922 05 34917761 5909 34775000 3263 69443700 776 10514 3129 06 35199170 5849 34825495 3304 64684400 662 10127 2997 07 34471522 6281 33632440 3366 54870000 822 10811 3040 08 35348030 6009 33550270 3300 72322652 870 11438 3269 09 34478353 5679 33285170 3199 71814347 841 10466 2969 10 34999803 5775 34089320 3245 71192444 809 11515 3301 11 34802038 5607 33722070 3168 73304527 839 9776 2992 12 35770257 5855 34582330 3259 75182463 896 11047 3373

avg 33854449 5747 33138065 3172 68569711 773 10302 3004 sum 406253387 68959 397656778 38060 822836533 9272 123618 36045

Solids Report - Daily Averages by Month From 01-JAN-2002 To 31-DEC-2002

PtLoma MBC MBC Pt Loma Digested Combined Dewatered

Raw sludge Sludge Centrate Sludge Month Gallons TS Tons Gallons TS Tons Gallons TS Tons Wet Tons TS Dry Tons

01 981585 45 184 977129 24 98 2158355 030 239 346 292 1010 02 934804 44 175 875303 25 87 2112571 020 188 295 287 812 03 1098656 41 188 1129374 22 107 2348323 020 235 305 309 1004 04 1186816 38 187 1179486 21 105 2372100 030 254 329 297 974 05 1126379 41 191 1121774 23 105 2240119 030 250 339 300 1009 06 1173306 40 194 1160850 23 110 2156147 030 245 338 294 999 07 1111985 44 203 1084917 24 109 1770000 040 265 349 283 981 08 1140259 41 193 1082267 24 105 2332989 030 281 369 285 1055 09 1149278 40 190 1109506 23 106 2393812 030 280 349 283 990 10 1129026 40 187 1099655 23 106 2296531 030 261 371 288 1065 11 1160068 39 187 1124069 23 106 2443484 030 280 326 305 997 12 1153879 39 188 1115559 23 103 2425241 030 289 356 307 1088

avg 1112170 41 189 1088324 23 104 2254139 029 256 339 294 999

Note A ton is a Ashort ton or 2000 lbs of dry solids Values for Wet Tons of dewatered sludge are based on calculated volumes from eight positive displacement cake pumps and are subject to inaccuracies The mechanical condition of the cake pumps and the variability of sludge concentrations can effect the overall accuracies of these reported values

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3162

----- ---------- ---------- ---------- ---------- ---------- --------- --------- --------- ------------ ------------ ------------ -------- ------- --------

---------- ---------- ---------- ---------- ---------- --------- --------- --------- ------------ ------------ ------------ -------- ------- --------

D Chemical usage Point Loma Annual Chemical Usage Report

Monthly Totals - 2002

ACTIVE Ferric Ferric Sodium Sodium Sodium Sodium Sodium Sodium Polymer Polymer Polymer Chloride Chloride hydroxide hydroxide hydroxide Hypochlorite Hypochlorite Hypochlorite Salt Salt Salt PtLoma PtLoma PtLoma PS 2 PtLoma PS 1 PS 2 PtLoma PS 1 PS 2 PtLoma PS 1 PS 2 PtLoma

Month Gallons Lbs Lbs Gallons Gallons Gallons Gallons Gallons Gallons Gallons Gallons Lbs Lbs Lbs

01 76736 671975 61188 201146 850 4795 100 26203 1800 17050 02 70651 618690 56021 177482 575 4648 37961 700 15400 03 75480 660981 63349 204324 300 5638 37910 550 17050 04 73720 645565 58126 192712 3272 39683 300 15950 05 76116 666547 72226 192951 215 7131 135 47972 17050 06 122520 6476 68567 192827 175 5693 825 39989 1800 7000 07 142124 5982 72249 206642 350 7152 900 48248 1400 0 08 136059 5724 73129 208179 225 6112 800 210 61481 950 8500 09 150026 6316 69689 217511 200 51 4701 1550 25 58079 1250 15000 10 154063 6484 72073 224547 125 5375 735 70 57716 500 15500 11 150367 6329 70459 220585 229 1052 4384 900 1555 36872 800 1500 15000 12 157707 6639 68999 229242 275 255 4612 5525 3547 26450 200 2200 15500

avg 115464 652752 6279 67173 205679 320 453 5293 1274 1081 43214 932 1850 13250 sum 1385568 3263758 43950 806075 2468148 3519 1358 63513 11470 5407 518564 10250 3700 159000

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3163

----- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -------- -------- -------- -----------

---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -------- -------- -------- -----------

----- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ------------- -------- -------- -------- ----------

---------- ---------- ---------- ---------- ---------- ---------- ---------- ------------- -------- -------- -------- ----------

E Gas Production Point Loma Wastewater Treatment Plant

Gas Report ndash 2002

Daily Monthly Averages

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 6614 8563 4082 9935 1406 29193 209 1659 1106 2975 02 6163 7614 4237 8796 1565 26810 246 1506 1144 2896 03 4925 6487 4427 7669 694 23508 174 1212 1685 3072 04 5131 6265 4019 6696 665 22111 150 1184 1723 3057 05 5170 6319 3992 6689 532 22169 38 2047 1061 3146 06 5163 6321 0 0 4037 6719 463 22241 17 1631 1435 3083 07 5257 6396 0 0 4073 6404 531 22130 30 1331 1755 3117 08 4988 6338 0 0 3877 5318 556 20520 37 1203 1752 2991 09 4972 6103 0 0 3644 4707 525 19426 42 1296 1547 2884 10 4700 5910 0 0 3880 5717 526 20207 43 1157 1632 2831 11 4914 6191 0 0 4152 6180 511 21436 10 1230 1694 2935 12 5048 6328 0 0 4278 6273 699 21926 161 1271 1524 2956

avg 5254 6570 0 0 4058 6758 723 22640 96 1394 1505 2995

Monthly Totals

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 205020 265460 126540 307970 43580 904990 6481 51433 34300 92214 02 172570 213180 118640 246290 43810 750680 6900 42159 32037 81096 03 152660 201090 137250 237750 21499 728750 5406 37572 52249 95227 04 153920 187960 120570 200880 19939 663330 4488 35526 51695 91709 05 160260 195880 123740 207370 16482 687250 1180 63459 32898 97537 06 154895 189634 0 0 121124 201564 13888 667217 504 48929 43056 92489 07 162980 198280 0 0 126270 198510 16460 686040 944 41273 54408 96625 08 154620 196470 0 0 120180 164850 17240 636120 1138 37280 54303 92721 09 149150 183100 0 0 109310 141220 15760 582780 1245 38878 46404 86527 10 145690 183210 0 0 120290 177220 16310 626410 1325 35858 50584 87767 11 147420 185720 0 0 124550 185390 15340 643080 300 36907 50833 88040 12 156480 196170 0 0 132620 194450 21670 679720 4989 39391 47244 91624

avg 159639 199680 0 0 123424 205289 21832 688031 2908 42389 45834 91131 sum 1915665 2396154 0 0 1481084 2463464 261978 8256367 34900 508665 550011 1093576

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3164

F Graphs of Chemical Usage

Point Loma - 2002 Ferric Chloride

50000

55000

60000

65000

70000

75000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Salt

9000

10000

11000

12000

13000

14000

15000

16000

17000

18000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3165

Point Loma - 2002 Sodium Hydroxide

4000

4500

5000

5500

6000

6500

7000

7500

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Polymer Active Polymer

0

100000

200000

300000

400000

500000

600000

700000

800000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3166

Point Loma - 2002 Sodium Hypochlorite

20000

25000

30000

35000

40000

45000

50000

55000

60000

65000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3167

G Facilities Out-of-service report (2002) Facilities that were out of service In 2002 by date

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 9 0101 0919 Contractor workpreventive

maintenance Sed Basin 10 0101 1219 Contractor workpreventive

maintenance Sed Basin 11 0101 0106 Poor removals Sed Basin 12 0101 1231 Contractor work Influent Screen 5 0101 0118 Maintenance SEOC 0103 0608 Contractor Sed Basin 7 0107 0222 Broken Flights Influent Screen 2 0118 0128 Maintenance Influent Screen 4 0128 0129 Maintenance Sed Basin 11 0128 1231 Contractor work Influent Screen 2 0129 0327 Maintenance East Influent Channel 0201 0605 Grit Scouring Sed Basin 1 0315 0319 Water line repair Influent Screen 3 0328 0521 Repair Sed Basin 3 0402 0403 Polymer line repair N1 Grit Basin 0507 0507 Line repair N2 Grit Basin 0512 0513 Line repair Influent Screen 1 0521 1002 Maintenance West Influent Channel

0605 0709 Grit scouring

C2 Grit Basin 0614 0614 Weld grit hopper East Influent Channel 0709 0828 Grit scouring Sed Basin 8 0718 0725 Object Retrieval N2 Grit Basin 0731 0731 Line repair West Influent Channel

0828 0925 Grit scouring

N2 Grit Basin 0902 0902 Line repair N1 Grit Basin 0903 0904 Line repair and equipment check N2 Grit Basin 0903 0904 Line repair and equipment check C1 Grit Basin 0903 0904 Line repair and equipment check C2 Grit Basin 0903 0904 Line repair and equipment check Sed Basin 1 0920 0924 Scum weir repair East Influent Channel 0925 1024 Grit scouring Sed Basin 6 0924 1005 Preventive Maintenance and scum

repair SEOC 1001 1001 Contractor Work Sed Basin 9 1005 1010 No raw sludge pumps available Sed Basin 6 1010 1219 Broken flights and scum repair West Influent Channel

1024 1127 Grit scouring

N2 Grit Basin 1125 1125 Line repair East Influent Channel 1127 1219 Grit Scouring N2 Grit Basin 1209 1211 Line repair Sed Basin 5 1219 1231 Preventive Maintenance and scum

repair West Influent Channel

1219 1231 Grit Scouring

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3168

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 8 1219 1231 Flight and scum trough repair

GRIT CHAMBERS N1 57 93-94 N2 512-513 92 93-94 1125 129-1211

C1 93-94 C2 614 93-94 S1 101-1231 S2 101-1231

CHANNELS

BASINS

EAST 21-65 79-828 925-1024 1127-1219

WEST 65-79 828-925 1024-1127 1219-1231

1 315-319 920-924 2 3 42-43

4 5 1219-1231 6 924-105 1010-1219 7 17-222 8 718-725 1219-1231 9 11-919 105-1010 10 11-1219 11 11-16 128-1231 12 11-1231

NORTH EFFLUENT SCREENS 11-13 SOUTH EFFLUENT SCREENS 13-68 101 INFLUENT SCREEN 1 521-102 INFLUENT SCREEN 2 118-128 129-327 INFLUENT SCREEN 3 328-521 INFLUENT SCREEN 4 128-129 INFLUENT SCREEN 5 11-118

DIGESTERS N1P N2P C1P 0101-1231 C2P 0101-1231 S1P S2P Dig 7 Dig 8 0101-0218 (New construction)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3169

SHUTDOWNS DATE FROM TO REASON

0105 0200 0430 Pump Station 2 work 0126 0200 0500 Build bulkhead in channel 0127 0200 0615 Build bulkhead in channel 0128 0200 0615 Build bulkhead in channel 0427 0130 0545 Pump Station 2 work 0829 0200 0600 Pump Station 2 work 0830 0200 0600 Pump Station 2 work 1005 0100 0515 Pump Station 2 work 1006 0100 0545 Pump Station 2 work 1115 0100 0430 Pump Station 2 work 1213 0100 555 Pump Station 2 work

1214 0055 0515 Pump Station 2 work

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3170

H Grit Analyses The following are reports of the analyses of grit samples taken from the Pt Loma WWTP headworks (grit removal chambers) in 2002 Reports include Title 22 analyses and Total Solids Although everywhere else in this report PLR refers to Point Loma WWTP raw Influent sewage in this section it refers to the grit removed from the grit chambers at the headworks building at the influent end of the plant Samples from the grit bins are taken daily for 7-8 consecutive days and composited together to form the annual sample

Point Loma Wastewater Treatment Plant Total Solids - Grit and Rags 2002 (WT)

Grit Monthly Averages

Rags Monthly Averages

JAN 496 JAN 449 FEB 470 FEB 416 MAR 494 MAR 450 APR 562 APR 436 MAY 624 MAY 480 JUN 532 JUN 446 JUL 540 JUL 415 AUG 568 AUG 422 SEP 519 SEP 490 OCT 628 OCT 420 NOV 568 NOV 485 DEC 558 DEC 373 AVG 547 AVG 440

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3171

Point Loma Wastewater Treatment Plant 2002 Grit Total Solids (WT) at Point Loma

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day WT WT WT WT WT WT WT WT WT WT WT WT

1 490 517 396 474 697 452 551 475 448 525 710 541 2 420 489 501 464 647 458 490 512 461 447 659 685 3 490 468 453 461 692 553 482 526 495 506 561 570 4 428 411 453 449 631 418 475 563 520 665 692 523 5 463 469 495 427 630 502 451 517 532 523 695 588 6 454 427 477 458 613 519 454 517 505 662 683 516 7 477 461 527 421 483 422 539 492 488 510 545 568 8 424 507 630 461 720 604 569 502 568 418 526 557 9 466 522 605 535 630 389 688 564 549 494 536 480

10 395 456 476 414 622 487 552 668 639 673 566 11 441 446 432 548 615 513 469 753 440 586 460 12 434 439 409 664 439 504 593 662 512 768 651 501 13 585 451 409 600 642 688 672 499 789 656 492 14 525 464 500 595 680 566 726 502 517 601 592 15 524 441 442 493 444 652 572 495 663 528 424 16 418 475 470 600 670 679 543 665 481 501 17 498 570 565 709 632 697 527 509 518 532 18 487 503 436 654 663 709 626 518 717 681 518 19 436 453 482 464 658 468 556 736 465 784 20 506 418 521 571 605 538 634 573 650 501 608 21 484 425 474 528 660 487 554 494 494 683 515 509 22 547 479 474 636 552 524 493 702 533 542 23 592 503 554 631 695 452 560 509 685 565 568 24 456 490 524 526 499 489 561 620 818 474 501 25 552 405 460 696 632 588 487 582 434 627 535 443 26 631 535 539 601 548 516 514 762 554 355 27 516 459 564 655 671 551 555 506 492 530 616 701 28 547 486 452 768 551 521 493 623 523 567 735 29 595 478 652 470 569 555 490 701 458 518 30 485 606 706 731 483 580 532 521 637 384 680 31 598 509 485 556 495 722 760

Avg 496 470 494 562 624 532 540 568 519 628 568 558 Min 395 405 396 414 439 389 451 475 434 418 384 355 Max 631 570 630 768 731 688 709 753 639 818 710 784

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3172

Title 22 reports for Grit POINT LOMA WASTEWATER TREATMENT PLANT

CALIFORNIA HAZARDOUS WASTE IDENTIFICATION TESTS (Title 22) Point Loma Quarterly Grit Composite

From 01-OCT-2002 to 31-DEC-2002 Sampled by Point Loma Operations Analyzed by BOAG8CJRFJZIIENLXPDXSJRVTSBHHBKODEVL Source PLR Sample ID P190180 Sample Date 14-OCT-2002

CA Healthamp INORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit 40 CFR 503 Safety Code

Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt Limits Limits Constituent MDL Units mgKg mgKg mgKg mgL mgL mgKg mgK g ===================== ==== ======== =========== =========== =========== =========== =========== =========== ============= Antimony 5 mgkg 11 7 500 15 Arsenic 33 mgkg 29 19 500 50 41 Barium 042 mgkg 79 50 10000 100 Beryllium 2 mgkg ND ND 75 075 Cadmium 5 mgkg 08 05 100 10 39 Chromium (VI) NA mgkg NA NA 500 50 Chromium 3 mgkg 26 17 2500 560 1200 Cobalt 8 mgkg ND ND 8000 80 Copper 2 mgkg 221 141 2500 25 1500 2500 Lead 5 mgkg 8 5 1000 50 300 350 Mercury 003 mgkg 01 01 20 02 17 Molybdenum 6 mgkg 3 19 3500 3500 Nickel 3 mgkg 13 8 2000 20 420 2000 Selenium 24 mgkg ND ND 100 10 36 Silver 3 mgkg ND ND 500 50 Thallium 10 mgkg ND ND 700 70 Vanadium 14 mgkg 108 69 2400 24 Zinc 4 mgkg 273 174 5000 250 2800 Fluoride NA mgkg NA NA 18000 180 Sulfides-Reactive mgkg NA NA NA Sulfides-Total mgkg NA NA NA Total Solids NA Wt 638 NA Total Volatile Solids NA Wt 253 pH NA pH Units 673 gt2 - lt 12 ===================== ==== ======== =========== =========== =========== =========== =========== =========== ===========

ORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt

Constituent MDL Units mgKg mgKg mgKg mgL mgL ================= ======== ===== =========== =========== =========== =========== =========== Aldrin 000002 mgKg ND ND 14 014 Chlordanes 0000014 mgKg ND ND 25 025 DDT DDE DDD 000004 mgKg 001080 000689 10 010 24-D 34 mgKg ND ND 100 10 Dieldrin 000002 mgKg ND ND 80 08 Endrin 000003 mgKg ND ND 02 002 Heptachlor 0000003 mgKg ND ND 47 047 Kepone NA mgKg NA ND 21 2 Lindane 000001 mgKg ND ND 40 04 Methoxychlor NA mgKg ND ND 100 10 Mirex 000002 mgKg ND ND 21 2 Pentachlorophenol 08 mgKg ND ND 17 17 PCBs (Arochlors) NA mgKg ND ND 50 50 Toxaphene 000024 mgKg ND ND 5 05 Trichloroethene 00253 mgKg ND ND 2040 204 245-TP 44 mgKg ND ND 10 1 ================= ======== ===== =========== =========== =========== =========== =========== ND= not detected NA = not analyzed = not reportable failed QC criteria

TTLC = Total Threshold Limit Concentration STLC = Soluble Threshold Limit Concentration WET = Waste Extraction Technique = The total concentration is less than 10 times the STLC Therefore by definition

this substance is present in concentrations that are less than the limits for hazardous wastes = Limits are in mgKg (dry weight) based on 40 CFR part 50313 Table 3 Limits for Land Application = The California State Health and Safety Code 251578 established lower a limit for Lead NA = Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required MDL = Method Detection Limit (are in mgKg per dry weight except for pH and Total and Volatile Solids) MBCDEWCN = Metro Biosolids Center Dewatered Centrifuged Sludge TTLC = Total Threshold Limit Concentration

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3173

POINT LOMA WASTEWATER TREATMENT PLANT QUARTERLY GRIT COMPOSITES Inorganics and Organics

From 01-JAN-2002 to 31-DEC-2002

GRIT COMP 14-OCT-2002

Analyte MDL Units P190180 ============================== ====== ===== ============ Aluminum 5 MGKG 3020 Antimony 5 MGKG 110 Arsenic 33 MGKG 287 Barium 042 MGKG 794 Beryllium 2 MGKG ND Cadmium 5 MGKG 08 Chromium 3 MGKG 26 Cobalt 8 MGKG ND Copper 2 MGKG 221 Iron 3 MGKG 12900 Lead 5 MGKG 8 Manganese 48 MGKG 151 Mercury 003 MGKG 014 Molybdenum 6 MGKG 32 Nickel 3 MGKG 13 Selenium 24 MGKG lt024 Silver 3 MGKG ND Thallium 10 MGKG ND Vanadium 14 MGKG 108 Zinc 4 MGKG 273 Fluoride MGKG NA Sulfides-Reactive MGKG NA Sulfides-Total MGKG NA pH PH 673 Total Solids 24 WT 638 Total Volatile Solids 11 WT 253 Aldrin 8000 MGKG ND 24-dichlorophenoxyacetic acid 684 MGKG ND Dieldrin 16000 MGKG ND Endrin 8000 MGKG ND Heptachlor 6000 MGKG ND Kepone MGKG NA BHC Gamma isomer 2000 MGKG ND Methoxychlor 71000 MGKG ND Pentachlorophenol 5850 MGKG ND Toxaphene 130000 MGKG ND Trichloroethene MGKG NA 245-TP (Silvex) 633 MGKG ND CyanidesTotal MGKG NA

NA= Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3174

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

B Rain Days

Total Precipitation =423 A Maximum = 083A Trace = T

First Quarter

Second Quarter

Third Quarter

Fourth Quarter

Date Rain Date Rain Date Rain Date Rain

3-Jan-02 18-Jan-02 25-Jan-02 28-Jan-02 29-Jan-02 17-Feb-02 18-Feb-02 7-Mar-02 8-Mar-02

15-Mar-02 16-Mar-02 17-Mar-02 18-Mar-02 23-Mar-02 24-Mar-02 29-Mar-02

014 T T

012 006 017

T 003 001 002 002 031 006

T 001

T

6-Apr-02 15-Apr-02 17-Apr-02 24-Apr-02 26-Apr-02 27-Apr-02 30-Apr-02 8-Jun-02 9-Jun-02

21-Jun-02

009 005 002 022 025

T T T T T

6-Aug-02 5-Sep-02 6-Sep-02 7-Sep-02

29-Sep-02 30-Sep-02

T T

013 018

T T

1-Oct-02 16-Oct-02 25-Oct-02 26-Oct-02 7-Nov-02 8-Nov-02 9-Nov-02

26-Nov-02 27-Nov-02 28-Nov-02 29-Nov-02 16-Dec-02 17-Dec-02 18-Dec-02 20-Dec-02 21-Dec-02 22-Dec-02 29-Dec-02

001 T T

003 T

013 007

T T

002 01 04

005 005 043 082

T 023

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3161

----- ------------ ----------- ------------ ----------- ------------ ------- --------- --------

------------ ----------- ------------ ----------- ------------ ------- --------- --------

----- ----------- ----- -------- ----------- ---- -------- ----------- ----- -------- --------- ----- ----------

----------- ----- -------- ----------- ---- -------- ----------- ----- -------- --------- ----- ----------

C Solids Production Point Loma Annual Monitoring Report

Solids Report ndash TOTALS

From 01-JAN-2002 To 31-DEC-2002

PtLoma MBC MBC Pt Loma Digested Combined Dewatered

Raw sludge Sludge Centrate Sludge Month Gallons Tons Gallons Tons Gallons Tons Wet Tons Dry Tons

01 30429127 5700 30291000 3062 66909000 740 10369 3029 02 26174515 4842 24508495 2513 59152000 526 8256 2112 03 34058333 5787 35010604 3247 72798000 728 9444 2912 04 35604478 5665 35384584 3134 71163000 762 9856 2922 05 34917761 5909 34775000 3263 69443700 776 10514 3129 06 35199170 5849 34825495 3304 64684400 662 10127 2997 07 34471522 6281 33632440 3366 54870000 822 10811 3040 08 35348030 6009 33550270 3300 72322652 870 11438 3269 09 34478353 5679 33285170 3199 71814347 841 10466 2969 10 34999803 5775 34089320 3245 71192444 809 11515 3301 11 34802038 5607 33722070 3168 73304527 839 9776 2992 12 35770257 5855 34582330 3259 75182463 896 11047 3373

avg 33854449 5747 33138065 3172 68569711 773 10302 3004 sum 406253387 68959 397656778 38060 822836533 9272 123618 36045

Solids Report - Daily Averages by Month From 01-JAN-2002 To 31-DEC-2002

PtLoma MBC MBC Pt Loma Digested Combined Dewatered

Raw sludge Sludge Centrate Sludge Month Gallons TS Tons Gallons TS Tons Gallons TS Tons Wet Tons TS Dry Tons

01 981585 45 184 977129 24 98 2158355 030 239 346 292 1010 02 934804 44 175 875303 25 87 2112571 020 188 295 287 812 03 1098656 41 188 1129374 22 107 2348323 020 235 305 309 1004 04 1186816 38 187 1179486 21 105 2372100 030 254 329 297 974 05 1126379 41 191 1121774 23 105 2240119 030 250 339 300 1009 06 1173306 40 194 1160850 23 110 2156147 030 245 338 294 999 07 1111985 44 203 1084917 24 109 1770000 040 265 349 283 981 08 1140259 41 193 1082267 24 105 2332989 030 281 369 285 1055 09 1149278 40 190 1109506 23 106 2393812 030 280 349 283 990 10 1129026 40 187 1099655 23 106 2296531 030 261 371 288 1065 11 1160068 39 187 1124069 23 106 2443484 030 280 326 305 997 12 1153879 39 188 1115559 23 103 2425241 030 289 356 307 1088

avg 1112170 41 189 1088324 23 104 2254139 029 256 339 294 999

Note A ton is a Ashort ton or 2000 lbs of dry solids Values for Wet Tons of dewatered sludge are based on calculated volumes from eight positive displacement cake pumps and are subject to inaccuracies The mechanical condition of the cake pumps and the variability of sludge concentrations can effect the overall accuracies of these reported values

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D Chemical usage Point Loma Annual Chemical Usage Report

Monthly Totals - 2002

ACTIVE Ferric Ferric Sodium Sodium Sodium Sodium Sodium Sodium Polymer Polymer Polymer Chloride Chloride hydroxide hydroxide hydroxide Hypochlorite Hypochlorite Hypochlorite Salt Salt Salt PtLoma PtLoma PtLoma PS 2 PtLoma PS 1 PS 2 PtLoma PS 1 PS 2 PtLoma PS 1 PS 2 PtLoma

Month Gallons Lbs Lbs Gallons Gallons Gallons Gallons Gallons Gallons Gallons Gallons Lbs Lbs Lbs

01 76736 671975 61188 201146 850 4795 100 26203 1800 17050 02 70651 618690 56021 177482 575 4648 37961 700 15400 03 75480 660981 63349 204324 300 5638 37910 550 17050 04 73720 645565 58126 192712 3272 39683 300 15950 05 76116 666547 72226 192951 215 7131 135 47972 17050 06 122520 6476 68567 192827 175 5693 825 39989 1800 7000 07 142124 5982 72249 206642 350 7152 900 48248 1400 0 08 136059 5724 73129 208179 225 6112 800 210 61481 950 8500 09 150026 6316 69689 217511 200 51 4701 1550 25 58079 1250 15000 10 154063 6484 72073 224547 125 5375 735 70 57716 500 15500 11 150367 6329 70459 220585 229 1052 4384 900 1555 36872 800 1500 15000 12 157707 6639 68999 229242 275 255 4612 5525 3547 26450 200 2200 15500

avg 115464 652752 6279 67173 205679 320 453 5293 1274 1081 43214 932 1850 13250 sum 1385568 3263758 43950 806075 2468148 3519 1358 63513 11470 5407 518564 10250 3700 159000

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3163

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E Gas Production Point Loma Wastewater Treatment Plant

Gas Report ndash 2002

Daily Monthly Averages

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 6614 8563 4082 9935 1406 29193 209 1659 1106 2975 02 6163 7614 4237 8796 1565 26810 246 1506 1144 2896 03 4925 6487 4427 7669 694 23508 174 1212 1685 3072 04 5131 6265 4019 6696 665 22111 150 1184 1723 3057 05 5170 6319 3992 6689 532 22169 38 2047 1061 3146 06 5163 6321 0 0 4037 6719 463 22241 17 1631 1435 3083 07 5257 6396 0 0 4073 6404 531 22130 30 1331 1755 3117 08 4988 6338 0 0 3877 5318 556 20520 37 1203 1752 2991 09 4972 6103 0 0 3644 4707 525 19426 42 1296 1547 2884 10 4700 5910 0 0 3880 5717 526 20207 43 1157 1632 2831 11 4914 6191 0 0 4152 6180 511 21436 10 1230 1694 2935 12 5048 6328 0 0 4278 6273 699 21926 161 1271 1524 2956

avg 5254 6570 0 0 4058 6758 723 22640 96 1394 1505 2995

Monthly Totals

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 205020 265460 126540 307970 43580 904990 6481 51433 34300 92214 02 172570 213180 118640 246290 43810 750680 6900 42159 32037 81096 03 152660 201090 137250 237750 21499 728750 5406 37572 52249 95227 04 153920 187960 120570 200880 19939 663330 4488 35526 51695 91709 05 160260 195880 123740 207370 16482 687250 1180 63459 32898 97537 06 154895 189634 0 0 121124 201564 13888 667217 504 48929 43056 92489 07 162980 198280 0 0 126270 198510 16460 686040 944 41273 54408 96625 08 154620 196470 0 0 120180 164850 17240 636120 1138 37280 54303 92721 09 149150 183100 0 0 109310 141220 15760 582780 1245 38878 46404 86527 10 145690 183210 0 0 120290 177220 16310 626410 1325 35858 50584 87767 11 147420 185720 0 0 124550 185390 15340 643080 300 36907 50833 88040 12 156480 196170 0 0 132620 194450 21670 679720 4989 39391 47244 91624

avg 159639 199680 0 0 123424 205289 21832 688031 2908 42389 45834 91131 sum 1915665 2396154 0 0 1481084 2463464 261978 8256367 34900 508665 550011 1093576

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3164

F Graphs of Chemical Usage

Point Loma - 2002 Ferric Chloride

50000

55000

60000

65000

70000

75000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Salt

9000

10000

11000

12000

13000

14000

15000

16000

17000

18000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3165

Point Loma - 2002 Sodium Hydroxide

4000

4500

5000

5500

6000

6500

7000

7500

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Polymer Active Polymer

0

100000

200000

300000

400000

500000

600000

700000

800000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3166

Point Loma - 2002 Sodium Hypochlorite

20000

25000

30000

35000

40000

45000

50000

55000

60000

65000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3167

G Facilities Out-of-service report (2002) Facilities that were out of service In 2002 by date

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 9 0101 0919 Contractor workpreventive

maintenance Sed Basin 10 0101 1219 Contractor workpreventive

maintenance Sed Basin 11 0101 0106 Poor removals Sed Basin 12 0101 1231 Contractor work Influent Screen 5 0101 0118 Maintenance SEOC 0103 0608 Contractor Sed Basin 7 0107 0222 Broken Flights Influent Screen 2 0118 0128 Maintenance Influent Screen 4 0128 0129 Maintenance Sed Basin 11 0128 1231 Contractor work Influent Screen 2 0129 0327 Maintenance East Influent Channel 0201 0605 Grit Scouring Sed Basin 1 0315 0319 Water line repair Influent Screen 3 0328 0521 Repair Sed Basin 3 0402 0403 Polymer line repair N1 Grit Basin 0507 0507 Line repair N2 Grit Basin 0512 0513 Line repair Influent Screen 1 0521 1002 Maintenance West Influent Channel

0605 0709 Grit scouring

C2 Grit Basin 0614 0614 Weld grit hopper East Influent Channel 0709 0828 Grit scouring Sed Basin 8 0718 0725 Object Retrieval N2 Grit Basin 0731 0731 Line repair West Influent Channel

0828 0925 Grit scouring

N2 Grit Basin 0902 0902 Line repair N1 Grit Basin 0903 0904 Line repair and equipment check N2 Grit Basin 0903 0904 Line repair and equipment check C1 Grit Basin 0903 0904 Line repair and equipment check C2 Grit Basin 0903 0904 Line repair and equipment check Sed Basin 1 0920 0924 Scum weir repair East Influent Channel 0925 1024 Grit scouring Sed Basin 6 0924 1005 Preventive Maintenance and scum

repair SEOC 1001 1001 Contractor Work Sed Basin 9 1005 1010 No raw sludge pumps available Sed Basin 6 1010 1219 Broken flights and scum repair West Influent Channel

1024 1127 Grit scouring

N2 Grit Basin 1125 1125 Line repair East Influent Channel 1127 1219 Grit Scouring N2 Grit Basin 1209 1211 Line repair Sed Basin 5 1219 1231 Preventive Maintenance and scum

repair West Influent Channel

1219 1231 Grit Scouring

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3168

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 8 1219 1231 Flight and scum trough repair

GRIT CHAMBERS N1 57 93-94 N2 512-513 92 93-94 1125 129-1211

C1 93-94 C2 614 93-94 S1 101-1231 S2 101-1231

CHANNELS

BASINS

EAST 21-65 79-828 925-1024 1127-1219

WEST 65-79 828-925 1024-1127 1219-1231

1 315-319 920-924 2 3 42-43

4 5 1219-1231 6 924-105 1010-1219 7 17-222 8 718-725 1219-1231 9 11-919 105-1010 10 11-1219 11 11-16 128-1231 12 11-1231

NORTH EFFLUENT SCREENS 11-13 SOUTH EFFLUENT SCREENS 13-68 101 INFLUENT SCREEN 1 521-102 INFLUENT SCREEN 2 118-128 129-327 INFLUENT SCREEN 3 328-521 INFLUENT SCREEN 4 128-129 INFLUENT SCREEN 5 11-118

DIGESTERS N1P N2P C1P 0101-1231 C2P 0101-1231 S1P S2P Dig 7 Dig 8 0101-0218 (New construction)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3169

SHUTDOWNS DATE FROM TO REASON

0105 0200 0430 Pump Station 2 work 0126 0200 0500 Build bulkhead in channel 0127 0200 0615 Build bulkhead in channel 0128 0200 0615 Build bulkhead in channel 0427 0130 0545 Pump Station 2 work 0829 0200 0600 Pump Station 2 work 0830 0200 0600 Pump Station 2 work 1005 0100 0515 Pump Station 2 work 1006 0100 0545 Pump Station 2 work 1115 0100 0430 Pump Station 2 work 1213 0100 555 Pump Station 2 work

1214 0055 0515 Pump Station 2 work

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3170

H Grit Analyses The following are reports of the analyses of grit samples taken from the Pt Loma WWTP headworks (grit removal chambers) in 2002 Reports include Title 22 analyses and Total Solids Although everywhere else in this report PLR refers to Point Loma WWTP raw Influent sewage in this section it refers to the grit removed from the grit chambers at the headworks building at the influent end of the plant Samples from the grit bins are taken daily for 7-8 consecutive days and composited together to form the annual sample

Point Loma Wastewater Treatment Plant Total Solids - Grit and Rags 2002 (WT)

Grit Monthly Averages

Rags Monthly Averages

JAN 496 JAN 449 FEB 470 FEB 416 MAR 494 MAR 450 APR 562 APR 436 MAY 624 MAY 480 JUN 532 JUN 446 JUL 540 JUL 415 AUG 568 AUG 422 SEP 519 SEP 490 OCT 628 OCT 420 NOV 568 NOV 485 DEC 558 DEC 373 AVG 547 AVG 440

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3171

Point Loma Wastewater Treatment Plant 2002 Grit Total Solids (WT) at Point Loma

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day WT WT WT WT WT WT WT WT WT WT WT WT

1 490 517 396 474 697 452 551 475 448 525 710 541 2 420 489 501 464 647 458 490 512 461 447 659 685 3 490 468 453 461 692 553 482 526 495 506 561 570 4 428 411 453 449 631 418 475 563 520 665 692 523 5 463 469 495 427 630 502 451 517 532 523 695 588 6 454 427 477 458 613 519 454 517 505 662 683 516 7 477 461 527 421 483 422 539 492 488 510 545 568 8 424 507 630 461 720 604 569 502 568 418 526 557 9 466 522 605 535 630 389 688 564 549 494 536 480

10 395 456 476 414 622 487 552 668 639 673 566 11 441 446 432 548 615 513 469 753 440 586 460 12 434 439 409 664 439 504 593 662 512 768 651 501 13 585 451 409 600 642 688 672 499 789 656 492 14 525 464 500 595 680 566 726 502 517 601 592 15 524 441 442 493 444 652 572 495 663 528 424 16 418 475 470 600 670 679 543 665 481 501 17 498 570 565 709 632 697 527 509 518 532 18 487 503 436 654 663 709 626 518 717 681 518 19 436 453 482 464 658 468 556 736 465 784 20 506 418 521 571 605 538 634 573 650 501 608 21 484 425 474 528 660 487 554 494 494 683 515 509 22 547 479 474 636 552 524 493 702 533 542 23 592 503 554 631 695 452 560 509 685 565 568 24 456 490 524 526 499 489 561 620 818 474 501 25 552 405 460 696 632 588 487 582 434 627 535 443 26 631 535 539 601 548 516 514 762 554 355 27 516 459 564 655 671 551 555 506 492 530 616 701 28 547 486 452 768 551 521 493 623 523 567 735 29 595 478 652 470 569 555 490 701 458 518 30 485 606 706 731 483 580 532 521 637 384 680 31 598 509 485 556 495 722 760

Avg 496 470 494 562 624 532 540 568 519 628 568 558 Min 395 405 396 414 439 389 451 475 434 418 384 355 Max 631 570 630 768 731 688 709 753 639 818 710 784

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3172

Title 22 reports for Grit POINT LOMA WASTEWATER TREATMENT PLANT

CALIFORNIA HAZARDOUS WASTE IDENTIFICATION TESTS (Title 22) Point Loma Quarterly Grit Composite

From 01-OCT-2002 to 31-DEC-2002 Sampled by Point Loma Operations Analyzed by BOAG8CJRFJZIIENLXPDXSJRVTSBHHBKODEVL Source PLR Sample ID P190180 Sample Date 14-OCT-2002

CA Healthamp INORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit 40 CFR 503 Safety Code

Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt Limits Limits Constituent MDL Units mgKg mgKg mgKg mgL mgL mgKg mgK g ===================== ==== ======== =========== =========== =========== =========== =========== =========== ============= Antimony 5 mgkg 11 7 500 15 Arsenic 33 mgkg 29 19 500 50 41 Barium 042 mgkg 79 50 10000 100 Beryllium 2 mgkg ND ND 75 075 Cadmium 5 mgkg 08 05 100 10 39 Chromium (VI) NA mgkg NA NA 500 50 Chromium 3 mgkg 26 17 2500 560 1200 Cobalt 8 mgkg ND ND 8000 80 Copper 2 mgkg 221 141 2500 25 1500 2500 Lead 5 mgkg 8 5 1000 50 300 350 Mercury 003 mgkg 01 01 20 02 17 Molybdenum 6 mgkg 3 19 3500 3500 Nickel 3 mgkg 13 8 2000 20 420 2000 Selenium 24 mgkg ND ND 100 10 36 Silver 3 mgkg ND ND 500 50 Thallium 10 mgkg ND ND 700 70 Vanadium 14 mgkg 108 69 2400 24 Zinc 4 mgkg 273 174 5000 250 2800 Fluoride NA mgkg NA NA 18000 180 Sulfides-Reactive mgkg NA NA NA Sulfides-Total mgkg NA NA NA Total Solids NA Wt 638 NA Total Volatile Solids NA Wt 253 pH NA pH Units 673 gt2 - lt 12 ===================== ==== ======== =========== =========== =========== =========== =========== =========== ===========

ORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt

Constituent MDL Units mgKg mgKg mgKg mgL mgL ================= ======== ===== =========== =========== =========== =========== =========== Aldrin 000002 mgKg ND ND 14 014 Chlordanes 0000014 mgKg ND ND 25 025 DDT DDE DDD 000004 mgKg 001080 000689 10 010 24-D 34 mgKg ND ND 100 10 Dieldrin 000002 mgKg ND ND 80 08 Endrin 000003 mgKg ND ND 02 002 Heptachlor 0000003 mgKg ND ND 47 047 Kepone NA mgKg NA ND 21 2 Lindane 000001 mgKg ND ND 40 04 Methoxychlor NA mgKg ND ND 100 10 Mirex 000002 mgKg ND ND 21 2 Pentachlorophenol 08 mgKg ND ND 17 17 PCBs (Arochlors) NA mgKg ND ND 50 50 Toxaphene 000024 mgKg ND ND 5 05 Trichloroethene 00253 mgKg ND ND 2040 204 245-TP 44 mgKg ND ND 10 1 ================= ======== ===== =========== =========== =========== =========== =========== ND= not detected NA = not analyzed = not reportable failed QC criteria

TTLC = Total Threshold Limit Concentration STLC = Soluble Threshold Limit Concentration WET = Waste Extraction Technique = The total concentration is less than 10 times the STLC Therefore by definition

this substance is present in concentrations that are less than the limits for hazardous wastes = Limits are in mgKg (dry weight) based on 40 CFR part 50313 Table 3 Limits for Land Application = The California State Health and Safety Code 251578 established lower a limit for Lead NA = Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required MDL = Method Detection Limit (are in mgKg per dry weight except for pH and Total and Volatile Solids) MBCDEWCN = Metro Biosolids Center Dewatered Centrifuged Sludge TTLC = Total Threshold Limit Concentration

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3173

POINT LOMA WASTEWATER TREATMENT PLANT QUARTERLY GRIT COMPOSITES Inorganics and Organics

From 01-JAN-2002 to 31-DEC-2002

GRIT COMP 14-OCT-2002

Analyte MDL Units P190180 ============================== ====== ===== ============ Aluminum 5 MGKG 3020 Antimony 5 MGKG 110 Arsenic 33 MGKG 287 Barium 042 MGKG 794 Beryllium 2 MGKG ND Cadmium 5 MGKG 08 Chromium 3 MGKG 26 Cobalt 8 MGKG ND Copper 2 MGKG 221 Iron 3 MGKG 12900 Lead 5 MGKG 8 Manganese 48 MGKG 151 Mercury 003 MGKG 014 Molybdenum 6 MGKG 32 Nickel 3 MGKG 13 Selenium 24 MGKG lt024 Silver 3 MGKG ND Thallium 10 MGKG ND Vanadium 14 MGKG 108 Zinc 4 MGKG 273 Fluoride MGKG NA Sulfides-Reactive MGKG NA Sulfides-Total MGKG NA pH PH 673 Total Solids 24 WT 638 Total Volatile Solids 11 WT 253 Aldrin 8000 MGKG ND 24-dichlorophenoxyacetic acid 684 MGKG ND Dieldrin 16000 MGKG ND Endrin 8000 MGKG ND Heptachlor 6000 MGKG ND Kepone MGKG NA BHC Gamma isomer 2000 MGKG ND Methoxychlor 71000 MGKG ND Pentachlorophenol 5850 MGKG ND Toxaphene 130000 MGKG ND Trichloroethene MGKG NA 245-TP (Silvex) 633 MGKG ND CyanidesTotal MGKG NA

NA= Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3174

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

----- ------------ ----------- ------------ ----------- ------------ ------- --------- --------

------------ ----------- ------------ ----------- ------------ ------- --------- --------

----- ----------- ----- -------- ----------- ---- -------- ----------- ----- -------- --------- ----- ----------

----------- ----- -------- ----------- ---- -------- ----------- ----- -------- --------- ----- ----------

C Solids Production Point Loma Annual Monitoring Report

Solids Report ndash TOTALS

From 01-JAN-2002 To 31-DEC-2002

PtLoma MBC MBC Pt Loma Digested Combined Dewatered

Raw sludge Sludge Centrate Sludge Month Gallons Tons Gallons Tons Gallons Tons Wet Tons Dry Tons

01 30429127 5700 30291000 3062 66909000 740 10369 3029 02 26174515 4842 24508495 2513 59152000 526 8256 2112 03 34058333 5787 35010604 3247 72798000 728 9444 2912 04 35604478 5665 35384584 3134 71163000 762 9856 2922 05 34917761 5909 34775000 3263 69443700 776 10514 3129 06 35199170 5849 34825495 3304 64684400 662 10127 2997 07 34471522 6281 33632440 3366 54870000 822 10811 3040 08 35348030 6009 33550270 3300 72322652 870 11438 3269 09 34478353 5679 33285170 3199 71814347 841 10466 2969 10 34999803 5775 34089320 3245 71192444 809 11515 3301 11 34802038 5607 33722070 3168 73304527 839 9776 2992 12 35770257 5855 34582330 3259 75182463 896 11047 3373

avg 33854449 5747 33138065 3172 68569711 773 10302 3004 sum 406253387 68959 397656778 38060 822836533 9272 123618 36045

Solids Report - Daily Averages by Month From 01-JAN-2002 To 31-DEC-2002

PtLoma MBC MBC Pt Loma Digested Combined Dewatered

Raw sludge Sludge Centrate Sludge Month Gallons TS Tons Gallons TS Tons Gallons TS Tons Wet Tons TS Dry Tons

01 981585 45 184 977129 24 98 2158355 030 239 346 292 1010 02 934804 44 175 875303 25 87 2112571 020 188 295 287 812 03 1098656 41 188 1129374 22 107 2348323 020 235 305 309 1004 04 1186816 38 187 1179486 21 105 2372100 030 254 329 297 974 05 1126379 41 191 1121774 23 105 2240119 030 250 339 300 1009 06 1173306 40 194 1160850 23 110 2156147 030 245 338 294 999 07 1111985 44 203 1084917 24 109 1770000 040 265 349 283 981 08 1140259 41 193 1082267 24 105 2332989 030 281 369 285 1055 09 1149278 40 190 1109506 23 106 2393812 030 280 349 283 990 10 1129026 40 187 1099655 23 106 2296531 030 261 371 288 1065 11 1160068 39 187 1124069 23 106 2443484 030 280 326 305 997 12 1153879 39 188 1115559 23 103 2425241 030 289 356 307 1088

avg 1112170 41 189 1088324 23 104 2254139 029 256 339 294 999

Note A ton is a Ashort ton or 2000 lbs of dry solids Values for Wet Tons of dewatered sludge are based on calculated volumes from eight positive displacement cake pumps and are subject to inaccuracies The mechanical condition of the cake pumps and the variability of sludge concentrations can effect the overall accuracies of these reported values

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3162

----- ---------- ---------- ---------- ---------- ---------- --------- --------- --------- ------------ ------------ ------------ -------- ------- --------

---------- ---------- ---------- ---------- ---------- --------- --------- --------- ------------ ------------ ------------ -------- ------- --------

D Chemical usage Point Loma Annual Chemical Usage Report

Monthly Totals - 2002

ACTIVE Ferric Ferric Sodium Sodium Sodium Sodium Sodium Sodium Polymer Polymer Polymer Chloride Chloride hydroxide hydroxide hydroxide Hypochlorite Hypochlorite Hypochlorite Salt Salt Salt PtLoma PtLoma PtLoma PS 2 PtLoma PS 1 PS 2 PtLoma PS 1 PS 2 PtLoma PS 1 PS 2 PtLoma

Month Gallons Lbs Lbs Gallons Gallons Gallons Gallons Gallons Gallons Gallons Gallons Lbs Lbs Lbs

01 76736 671975 61188 201146 850 4795 100 26203 1800 17050 02 70651 618690 56021 177482 575 4648 37961 700 15400 03 75480 660981 63349 204324 300 5638 37910 550 17050 04 73720 645565 58126 192712 3272 39683 300 15950 05 76116 666547 72226 192951 215 7131 135 47972 17050 06 122520 6476 68567 192827 175 5693 825 39989 1800 7000 07 142124 5982 72249 206642 350 7152 900 48248 1400 0 08 136059 5724 73129 208179 225 6112 800 210 61481 950 8500 09 150026 6316 69689 217511 200 51 4701 1550 25 58079 1250 15000 10 154063 6484 72073 224547 125 5375 735 70 57716 500 15500 11 150367 6329 70459 220585 229 1052 4384 900 1555 36872 800 1500 15000 12 157707 6639 68999 229242 275 255 4612 5525 3547 26450 200 2200 15500

avg 115464 652752 6279 67173 205679 320 453 5293 1274 1081 43214 932 1850 13250 sum 1385568 3263758 43950 806075 2468148 3519 1358 63513 11470 5407 518564 10250 3700 159000

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----- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -------- -------- -------- -----------

---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -------- -------- -------- -----------

----- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ------------- -------- -------- -------- ----------

---------- ---------- ---------- ---------- ---------- ---------- ---------- ------------- -------- -------- -------- ----------

E Gas Production Point Loma Wastewater Treatment Plant

Gas Report ndash 2002

Daily Monthly Averages

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 6614 8563 4082 9935 1406 29193 209 1659 1106 2975 02 6163 7614 4237 8796 1565 26810 246 1506 1144 2896 03 4925 6487 4427 7669 694 23508 174 1212 1685 3072 04 5131 6265 4019 6696 665 22111 150 1184 1723 3057 05 5170 6319 3992 6689 532 22169 38 2047 1061 3146 06 5163 6321 0 0 4037 6719 463 22241 17 1631 1435 3083 07 5257 6396 0 0 4073 6404 531 22130 30 1331 1755 3117 08 4988 6338 0 0 3877 5318 556 20520 37 1203 1752 2991 09 4972 6103 0 0 3644 4707 525 19426 42 1296 1547 2884 10 4700 5910 0 0 3880 5717 526 20207 43 1157 1632 2831 11 4914 6191 0 0 4152 6180 511 21436 10 1230 1694 2935 12 5048 6328 0 0 4278 6273 699 21926 161 1271 1524 2956

avg 5254 6570 0 0 4058 6758 723 22640 96 1394 1505 2995

Monthly Totals

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 205020 265460 126540 307970 43580 904990 6481 51433 34300 92214 02 172570 213180 118640 246290 43810 750680 6900 42159 32037 81096 03 152660 201090 137250 237750 21499 728750 5406 37572 52249 95227 04 153920 187960 120570 200880 19939 663330 4488 35526 51695 91709 05 160260 195880 123740 207370 16482 687250 1180 63459 32898 97537 06 154895 189634 0 0 121124 201564 13888 667217 504 48929 43056 92489 07 162980 198280 0 0 126270 198510 16460 686040 944 41273 54408 96625 08 154620 196470 0 0 120180 164850 17240 636120 1138 37280 54303 92721 09 149150 183100 0 0 109310 141220 15760 582780 1245 38878 46404 86527 10 145690 183210 0 0 120290 177220 16310 626410 1325 35858 50584 87767 11 147420 185720 0 0 124550 185390 15340 643080 300 36907 50833 88040 12 156480 196170 0 0 132620 194450 21670 679720 4989 39391 47244 91624

avg 159639 199680 0 0 123424 205289 21832 688031 2908 42389 45834 91131 sum 1915665 2396154 0 0 1481084 2463464 261978 8256367 34900 508665 550011 1093576

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3164

F Graphs of Chemical Usage

Point Loma - 2002 Ferric Chloride

50000

55000

60000

65000

70000

75000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Salt

9000

10000

11000

12000

13000

14000

15000

16000

17000

18000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3165

Point Loma - 2002 Sodium Hydroxide

4000

4500

5000

5500

6000

6500

7000

7500

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Polymer Active Polymer

0

100000

200000

300000

400000

500000

600000

700000

800000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3166

Point Loma - 2002 Sodium Hypochlorite

20000

25000

30000

35000

40000

45000

50000

55000

60000

65000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3167

G Facilities Out-of-service report (2002) Facilities that were out of service In 2002 by date

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 9 0101 0919 Contractor workpreventive

maintenance Sed Basin 10 0101 1219 Contractor workpreventive

maintenance Sed Basin 11 0101 0106 Poor removals Sed Basin 12 0101 1231 Contractor work Influent Screen 5 0101 0118 Maintenance SEOC 0103 0608 Contractor Sed Basin 7 0107 0222 Broken Flights Influent Screen 2 0118 0128 Maintenance Influent Screen 4 0128 0129 Maintenance Sed Basin 11 0128 1231 Contractor work Influent Screen 2 0129 0327 Maintenance East Influent Channel 0201 0605 Grit Scouring Sed Basin 1 0315 0319 Water line repair Influent Screen 3 0328 0521 Repair Sed Basin 3 0402 0403 Polymer line repair N1 Grit Basin 0507 0507 Line repair N2 Grit Basin 0512 0513 Line repair Influent Screen 1 0521 1002 Maintenance West Influent Channel

0605 0709 Grit scouring

C2 Grit Basin 0614 0614 Weld grit hopper East Influent Channel 0709 0828 Grit scouring Sed Basin 8 0718 0725 Object Retrieval N2 Grit Basin 0731 0731 Line repair West Influent Channel

0828 0925 Grit scouring

N2 Grit Basin 0902 0902 Line repair N1 Grit Basin 0903 0904 Line repair and equipment check N2 Grit Basin 0903 0904 Line repair and equipment check C1 Grit Basin 0903 0904 Line repair and equipment check C2 Grit Basin 0903 0904 Line repair and equipment check Sed Basin 1 0920 0924 Scum weir repair East Influent Channel 0925 1024 Grit scouring Sed Basin 6 0924 1005 Preventive Maintenance and scum

repair SEOC 1001 1001 Contractor Work Sed Basin 9 1005 1010 No raw sludge pumps available Sed Basin 6 1010 1219 Broken flights and scum repair West Influent Channel

1024 1127 Grit scouring

N2 Grit Basin 1125 1125 Line repair East Influent Channel 1127 1219 Grit Scouring N2 Grit Basin 1209 1211 Line repair Sed Basin 5 1219 1231 Preventive Maintenance and scum

repair West Influent Channel

1219 1231 Grit Scouring

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3168

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 8 1219 1231 Flight and scum trough repair

GRIT CHAMBERS N1 57 93-94 N2 512-513 92 93-94 1125 129-1211

C1 93-94 C2 614 93-94 S1 101-1231 S2 101-1231

CHANNELS

BASINS

EAST 21-65 79-828 925-1024 1127-1219

WEST 65-79 828-925 1024-1127 1219-1231

1 315-319 920-924 2 3 42-43

4 5 1219-1231 6 924-105 1010-1219 7 17-222 8 718-725 1219-1231 9 11-919 105-1010 10 11-1219 11 11-16 128-1231 12 11-1231

NORTH EFFLUENT SCREENS 11-13 SOUTH EFFLUENT SCREENS 13-68 101 INFLUENT SCREEN 1 521-102 INFLUENT SCREEN 2 118-128 129-327 INFLUENT SCREEN 3 328-521 INFLUENT SCREEN 4 128-129 INFLUENT SCREEN 5 11-118

DIGESTERS N1P N2P C1P 0101-1231 C2P 0101-1231 S1P S2P Dig 7 Dig 8 0101-0218 (New construction)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3169

SHUTDOWNS DATE FROM TO REASON

0105 0200 0430 Pump Station 2 work 0126 0200 0500 Build bulkhead in channel 0127 0200 0615 Build bulkhead in channel 0128 0200 0615 Build bulkhead in channel 0427 0130 0545 Pump Station 2 work 0829 0200 0600 Pump Station 2 work 0830 0200 0600 Pump Station 2 work 1005 0100 0515 Pump Station 2 work 1006 0100 0545 Pump Station 2 work 1115 0100 0430 Pump Station 2 work 1213 0100 555 Pump Station 2 work

1214 0055 0515 Pump Station 2 work

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3170

H Grit Analyses The following are reports of the analyses of grit samples taken from the Pt Loma WWTP headworks (grit removal chambers) in 2002 Reports include Title 22 analyses and Total Solids Although everywhere else in this report PLR refers to Point Loma WWTP raw Influent sewage in this section it refers to the grit removed from the grit chambers at the headworks building at the influent end of the plant Samples from the grit bins are taken daily for 7-8 consecutive days and composited together to form the annual sample

Point Loma Wastewater Treatment Plant Total Solids - Grit and Rags 2002 (WT)

Grit Monthly Averages

Rags Monthly Averages

JAN 496 JAN 449 FEB 470 FEB 416 MAR 494 MAR 450 APR 562 APR 436 MAY 624 MAY 480 JUN 532 JUN 446 JUL 540 JUL 415 AUG 568 AUG 422 SEP 519 SEP 490 OCT 628 OCT 420 NOV 568 NOV 485 DEC 558 DEC 373 AVG 547 AVG 440

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3171

Point Loma Wastewater Treatment Plant 2002 Grit Total Solids (WT) at Point Loma

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day WT WT WT WT WT WT WT WT WT WT WT WT

1 490 517 396 474 697 452 551 475 448 525 710 541 2 420 489 501 464 647 458 490 512 461 447 659 685 3 490 468 453 461 692 553 482 526 495 506 561 570 4 428 411 453 449 631 418 475 563 520 665 692 523 5 463 469 495 427 630 502 451 517 532 523 695 588 6 454 427 477 458 613 519 454 517 505 662 683 516 7 477 461 527 421 483 422 539 492 488 510 545 568 8 424 507 630 461 720 604 569 502 568 418 526 557 9 466 522 605 535 630 389 688 564 549 494 536 480

10 395 456 476 414 622 487 552 668 639 673 566 11 441 446 432 548 615 513 469 753 440 586 460 12 434 439 409 664 439 504 593 662 512 768 651 501 13 585 451 409 600 642 688 672 499 789 656 492 14 525 464 500 595 680 566 726 502 517 601 592 15 524 441 442 493 444 652 572 495 663 528 424 16 418 475 470 600 670 679 543 665 481 501 17 498 570 565 709 632 697 527 509 518 532 18 487 503 436 654 663 709 626 518 717 681 518 19 436 453 482 464 658 468 556 736 465 784 20 506 418 521 571 605 538 634 573 650 501 608 21 484 425 474 528 660 487 554 494 494 683 515 509 22 547 479 474 636 552 524 493 702 533 542 23 592 503 554 631 695 452 560 509 685 565 568 24 456 490 524 526 499 489 561 620 818 474 501 25 552 405 460 696 632 588 487 582 434 627 535 443 26 631 535 539 601 548 516 514 762 554 355 27 516 459 564 655 671 551 555 506 492 530 616 701 28 547 486 452 768 551 521 493 623 523 567 735 29 595 478 652 470 569 555 490 701 458 518 30 485 606 706 731 483 580 532 521 637 384 680 31 598 509 485 556 495 722 760

Avg 496 470 494 562 624 532 540 568 519 628 568 558 Min 395 405 396 414 439 389 451 475 434 418 384 355 Max 631 570 630 768 731 688 709 753 639 818 710 784

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3172

Title 22 reports for Grit POINT LOMA WASTEWATER TREATMENT PLANT

CALIFORNIA HAZARDOUS WASTE IDENTIFICATION TESTS (Title 22) Point Loma Quarterly Grit Composite

From 01-OCT-2002 to 31-DEC-2002 Sampled by Point Loma Operations Analyzed by BOAG8CJRFJZIIENLXPDXSJRVTSBHHBKODEVL Source PLR Sample ID P190180 Sample Date 14-OCT-2002

CA Healthamp INORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit 40 CFR 503 Safety Code

Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt Limits Limits Constituent MDL Units mgKg mgKg mgKg mgL mgL mgKg mgK g ===================== ==== ======== =========== =========== =========== =========== =========== =========== ============= Antimony 5 mgkg 11 7 500 15 Arsenic 33 mgkg 29 19 500 50 41 Barium 042 mgkg 79 50 10000 100 Beryllium 2 mgkg ND ND 75 075 Cadmium 5 mgkg 08 05 100 10 39 Chromium (VI) NA mgkg NA NA 500 50 Chromium 3 mgkg 26 17 2500 560 1200 Cobalt 8 mgkg ND ND 8000 80 Copper 2 mgkg 221 141 2500 25 1500 2500 Lead 5 mgkg 8 5 1000 50 300 350 Mercury 003 mgkg 01 01 20 02 17 Molybdenum 6 mgkg 3 19 3500 3500 Nickel 3 mgkg 13 8 2000 20 420 2000 Selenium 24 mgkg ND ND 100 10 36 Silver 3 mgkg ND ND 500 50 Thallium 10 mgkg ND ND 700 70 Vanadium 14 mgkg 108 69 2400 24 Zinc 4 mgkg 273 174 5000 250 2800 Fluoride NA mgkg NA NA 18000 180 Sulfides-Reactive mgkg NA NA NA Sulfides-Total mgkg NA NA NA Total Solids NA Wt 638 NA Total Volatile Solids NA Wt 253 pH NA pH Units 673 gt2 - lt 12 ===================== ==== ======== =========== =========== =========== =========== =========== =========== ===========

ORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt

Constituent MDL Units mgKg mgKg mgKg mgL mgL ================= ======== ===== =========== =========== =========== =========== =========== Aldrin 000002 mgKg ND ND 14 014 Chlordanes 0000014 mgKg ND ND 25 025 DDT DDE DDD 000004 mgKg 001080 000689 10 010 24-D 34 mgKg ND ND 100 10 Dieldrin 000002 mgKg ND ND 80 08 Endrin 000003 mgKg ND ND 02 002 Heptachlor 0000003 mgKg ND ND 47 047 Kepone NA mgKg NA ND 21 2 Lindane 000001 mgKg ND ND 40 04 Methoxychlor NA mgKg ND ND 100 10 Mirex 000002 mgKg ND ND 21 2 Pentachlorophenol 08 mgKg ND ND 17 17 PCBs (Arochlors) NA mgKg ND ND 50 50 Toxaphene 000024 mgKg ND ND 5 05 Trichloroethene 00253 mgKg ND ND 2040 204 245-TP 44 mgKg ND ND 10 1 ================= ======== ===== =========== =========== =========== =========== =========== ND= not detected NA = not analyzed = not reportable failed QC criteria

TTLC = Total Threshold Limit Concentration STLC = Soluble Threshold Limit Concentration WET = Waste Extraction Technique = The total concentration is less than 10 times the STLC Therefore by definition

this substance is present in concentrations that are less than the limits for hazardous wastes = Limits are in mgKg (dry weight) based on 40 CFR part 50313 Table 3 Limits for Land Application = The California State Health and Safety Code 251578 established lower a limit for Lead NA = Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required MDL = Method Detection Limit (are in mgKg per dry weight except for pH and Total and Volatile Solids) MBCDEWCN = Metro Biosolids Center Dewatered Centrifuged Sludge TTLC = Total Threshold Limit Concentration

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3173

POINT LOMA WASTEWATER TREATMENT PLANT QUARTERLY GRIT COMPOSITES Inorganics and Organics

From 01-JAN-2002 to 31-DEC-2002

GRIT COMP 14-OCT-2002

Analyte MDL Units P190180 ============================== ====== ===== ============ Aluminum 5 MGKG 3020 Antimony 5 MGKG 110 Arsenic 33 MGKG 287 Barium 042 MGKG 794 Beryllium 2 MGKG ND Cadmium 5 MGKG 08 Chromium 3 MGKG 26 Cobalt 8 MGKG ND Copper 2 MGKG 221 Iron 3 MGKG 12900 Lead 5 MGKG 8 Manganese 48 MGKG 151 Mercury 003 MGKG 014 Molybdenum 6 MGKG 32 Nickel 3 MGKG 13 Selenium 24 MGKG lt024 Silver 3 MGKG ND Thallium 10 MGKG ND Vanadium 14 MGKG 108 Zinc 4 MGKG 273 Fluoride MGKG NA Sulfides-Reactive MGKG NA Sulfides-Total MGKG NA pH PH 673 Total Solids 24 WT 638 Total Volatile Solids 11 WT 253 Aldrin 8000 MGKG ND 24-dichlorophenoxyacetic acid 684 MGKG ND Dieldrin 16000 MGKG ND Endrin 8000 MGKG ND Heptachlor 6000 MGKG ND Kepone MGKG NA BHC Gamma isomer 2000 MGKG ND Methoxychlor 71000 MGKG ND Pentachlorophenol 5850 MGKG ND Toxaphene 130000 MGKG ND Trichloroethene MGKG NA 245-TP (Silvex) 633 MGKG ND CyanidesTotal MGKG NA

NA= Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3174

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

----- ---------- ---------- ---------- ---------- ---------- --------- --------- --------- ------------ ------------ ------------ -------- ------- --------

---------- ---------- ---------- ---------- ---------- --------- --------- --------- ------------ ------------ ------------ -------- ------- --------

D Chemical usage Point Loma Annual Chemical Usage Report

Monthly Totals - 2002

ACTIVE Ferric Ferric Sodium Sodium Sodium Sodium Sodium Sodium Polymer Polymer Polymer Chloride Chloride hydroxide hydroxide hydroxide Hypochlorite Hypochlorite Hypochlorite Salt Salt Salt PtLoma PtLoma PtLoma PS 2 PtLoma PS 1 PS 2 PtLoma PS 1 PS 2 PtLoma PS 1 PS 2 PtLoma

Month Gallons Lbs Lbs Gallons Gallons Gallons Gallons Gallons Gallons Gallons Gallons Lbs Lbs Lbs

01 76736 671975 61188 201146 850 4795 100 26203 1800 17050 02 70651 618690 56021 177482 575 4648 37961 700 15400 03 75480 660981 63349 204324 300 5638 37910 550 17050 04 73720 645565 58126 192712 3272 39683 300 15950 05 76116 666547 72226 192951 215 7131 135 47972 17050 06 122520 6476 68567 192827 175 5693 825 39989 1800 7000 07 142124 5982 72249 206642 350 7152 900 48248 1400 0 08 136059 5724 73129 208179 225 6112 800 210 61481 950 8500 09 150026 6316 69689 217511 200 51 4701 1550 25 58079 1250 15000 10 154063 6484 72073 224547 125 5375 735 70 57716 500 15500 11 150367 6329 70459 220585 229 1052 4384 900 1555 36872 800 1500 15000 12 157707 6639 68999 229242 275 255 4612 5525 3547 26450 200 2200 15500

avg 115464 652752 6279 67173 205679 320 453 5293 1274 1081 43214 932 1850 13250 sum 1385568 3263758 43950 806075 2468148 3519 1358 63513 11470 5407 518564 10250 3700 159000

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3163

----- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -------- -------- -------- -----------

---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -------- -------- -------- -----------

----- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ------------- -------- -------- -------- ----------

---------- ---------- ---------- ---------- ---------- ---------- ---------- ------------- -------- -------- -------- ----------

E Gas Production Point Loma Wastewater Treatment Plant

Gas Report ndash 2002

Daily Monthly Averages

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 6614 8563 4082 9935 1406 29193 209 1659 1106 2975 02 6163 7614 4237 8796 1565 26810 246 1506 1144 2896 03 4925 6487 4427 7669 694 23508 174 1212 1685 3072 04 5131 6265 4019 6696 665 22111 150 1184 1723 3057 05 5170 6319 3992 6689 532 22169 38 2047 1061 3146 06 5163 6321 0 0 4037 6719 463 22241 17 1631 1435 3083 07 5257 6396 0 0 4073 6404 531 22130 30 1331 1755 3117 08 4988 6338 0 0 3877 5318 556 20520 37 1203 1752 2991 09 4972 6103 0 0 3644 4707 525 19426 42 1296 1547 2884 10 4700 5910 0 0 3880 5717 526 20207 43 1157 1632 2831 11 4914 6191 0 0 4152 6180 511 21436 10 1230 1694 2935 12 5048 6328 0 0 4278 6273 699 21926 161 1271 1524 2956

avg 5254 6570 0 0 4058 6758 723 22640 96 1394 1505 2995

Monthly Totals

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 205020 265460 126540 307970 43580 904990 6481 51433 34300 92214 02 172570 213180 118640 246290 43810 750680 6900 42159 32037 81096 03 152660 201090 137250 237750 21499 728750 5406 37572 52249 95227 04 153920 187960 120570 200880 19939 663330 4488 35526 51695 91709 05 160260 195880 123740 207370 16482 687250 1180 63459 32898 97537 06 154895 189634 0 0 121124 201564 13888 667217 504 48929 43056 92489 07 162980 198280 0 0 126270 198510 16460 686040 944 41273 54408 96625 08 154620 196470 0 0 120180 164850 17240 636120 1138 37280 54303 92721 09 149150 183100 0 0 109310 141220 15760 582780 1245 38878 46404 86527 10 145690 183210 0 0 120290 177220 16310 626410 1325 35858 50584 87767 11 147420 185720 0 0 124550 185390 15340 643080 300 36907 50833 88040 12 156480 196170 0 0 132620 194450 21670 679720 4989 39391 47244 91624

avg 159639 199680 0 0 123424 205289 21832 688031 2908 42389 45834 91131 sum 1915665 2396154 0 0 1481084 2463464 261978 8256367 34900 508665 550011 1093576

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3164

F Graphs of Chemical Usage

Point Loma - 2002 Ferric Chloride

50000

55000

60000

65000

70000

75000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Salt

9000

10000

11000

12000

13000

14000

15000

16000

17000

18000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3165

Point Loma - 2002 Sodium Hydroxide

4000

4500

5000

5500

6000

6500

7000

7500

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Polymer Active Polymer

0

100000

200000

300000

400000

500000

600000

700000

800000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3166

Point Loma - 2002 Sodium Hypochlorite

20000

25000

30000

35000

40000

45000

50000

55000

60000

65000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3167

G Facilities Out-of-service report (2002) Facilities that were out of service In 2002 by date

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 9 0101 0919 Contractor workpreventive

maintenance Sed Basin 10 0101 1219 Contractor workpreventive

maintenance Sed Basin 11 0101 0106 Poor removals Sed Basin 12 0101 1231 Contractor work Influent Screen 5 0101 0118 Maintenance SEOC 0103 0608 Contractor Sed Basin 7 0107 0222 Broken Flights Influent Screen 2 0118 0128 Maintenance Influent Screen 4 0128 0129 Maintenance Sed Basin 11 0128 1231 Contractor work Influent Screen 2 0129 0327 Maintenance East Influent Channel 0201 0605 Grit Scouring Sed Basin 1 0315 0319 Water line repair Influent Screen 3 0328 0521 Repair Sed Basin 3 0402 0403 Polymer line repair N1 Grit Basin 0507 0507 Line repair N2 Grit Basin 0512 0513 Line repair Influent Screen 1 0521 1002 Maintenance West Influent Channel

0605 0709 Grit scouring

C2 Grit Basin 0614 0614 Weld grit hopper East Influent Channel 0709 0828 Grit scouring Sed Basin 8 0718 0725 Object Retrieval N2 Grit Basin 0731 0731 Line repair West Influent Channel

0828 0925 Grit scouring

N2 Grit Basin 0902 0902 Line repair N1 Grit Basin 0903 0904 Line repair and equipment check N2 Grit Basin 0903 0904 Line repair and equipment check C1 Grit Basin 0903 0904 Line repair and equipment check C2 Grit Basin 0903 0904 Line repair and equipment check Sed Basin 1 0920 0924 Scum weir repair East Influent Channel 0925 1024 Grit scouring Sed Basin 6 0924 1005 Preventive Maintenance and scum

repair SEOC 1001 1001 Contractor Work Sed Basin 9 1005 1010 No raw sludge pumps available Sed Basin 6 1010 1219 Broken flights and scum repair West Influent Channel

1024 1127 Grit scouring

N2 Grit Basin 1125 1125 Line repair East Influent Channel 1127 1219 Grit Scouring N2 Grit Basin 1209 1211 Line repair Sed Basin 5 1219 1231 Preventive Maintenance and scum

repair West Influent Channel

1219 1231 Grit Scouring

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3168

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 8 1219 1231 Flight and scum trough repair

GRIT CHAMBERS N1 57 93-94 N2 512-513 92 93-94 1125 129-1211

C1 93-94 C2 614 93-94 S1 101-1231 S2 101-1231

CHANNELS

BASINS

EAST 21-65 79-828 925-1024 1127-1219

WEST 65-79 828-925 1024-1127 1219-1231

1 315-319 920-924 2 3 42-43

4 5 1219-1231 6 924-105 1010-1219 7 17-222 8 718-725 1219-1231 9 11-919 105-1010 10 11-1219 11 11-16 128-1231 12 11-1231

NORTH EFFLUENT SCREENS 11-13 SOUTH EFFLUENT SCREENS 13-68 101 INFLUENT SCREEN 1 521-102 INFLUENT SCREEN 2 118-128 129-327 INFLUENT SCREEN 3 328-521 INFLUENT SCREEN 4 128-129 INFLUENT SCREEN 5 11-118

DIGESTERS N1P N2P C1P 0101-1231 C2P 0101-1231 S1P S2P Dig 7 Dig 8 0101-0218 (New construction)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3169

SHUTDOWNS DATE FROM TO REASON

0105 0200 0430 Pump Station 2 work 0126 0200 0500 Build bulkhead in channel 0127 0200 0615 Build bulkhead in channel 0128 0200 0615 Build bulkhead in channel 0427 0130 0545 Pump Station 2 work 0829 0200 0600 Pump Station 2 work 0830 0200 0600 Pump Station 2 work 1005 0100 0515 Pump Station 2 work 1006 0100 0545 Pump Station 2 work 1115 0100 0430 Pump Station 2 work 1213 0100 555 Pump Station 2 work

1214 0055 0515 Pump Station 2 work

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3170

H Grit Analyses The following are reports of the analyses of grit samples taken from the Pt Loma WWTP headworks (grit removal chambers) in 2002 Reports include Title 22 analyses and Total Solids Although everywhere else in this report PLR refers to Point Loma WWTP raw Influent sewage in this section it refers to the grit removed from the grit chambers at the headworks building at the influent end of the plant Samples from the grit bins are taken daily for 7-8 consecutive days and composited together to form the annual sample

Point Loma Wastewater Treatment Plant Total Solids - Grit and Rags 2002 (WT)

Grit Monthly Averages

Rags Monthly Averages

JAN 496 JAN 449 FEB 470 FEB 416 MAR 494 MAR 450 APR 562 APR 436 MAY 624 MAY 480 JUN 532 JUN 446 JUL 540 JUL 415 AUG 568 AUG 422 SEP 519 SEP 490 OCT 628 OCT 420 NOV 568 NOV 485 DEC 558 DEC 373 AVG 547 AVG 440

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3171

Point Loma Wastewater Treatment Plant 2002 Grit Total Solids (WT) at Point Loma

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day WT WT WT WT WT WT WT WT WT WT WT WT

1 490 517 396 474 697 452 551 475 448 525 710 541 2 420 489 501 464 647 458 490 512 461 447 659 685 3 490 468 453 461 692 553 482 526 495 506 561 570 4 428 411 453 449 631 418 475 563 520 665 692 523 5 463 469 495 427 630 502 451 517 532 523 695 588 6 454 427 477 458 613 519 454 517 505 662 683 516 7 477 461 527 421 483 422 539 492 488 510 545 568 8 424 507 630 461 720 604 569 502 568 418 526 557 9 466 522 605 535 630 389 688 564 549 494 536 480

10 395 456 476 414 622 487 552 668 639 673 566 11 441 446 432 548 615 513 469 753 440 586 460 12 434 439 409 664 439 504 593 662 512 768 651 501 13 585 451 409 600 642 688 672 499 789 656 492 14 525 464 500 595 680 566 726 502 517 601 592 15 524 441 442 493 444 652 572 495 663 528 424 16 418 475 470 600 670 679 543 665 481 501 17 498 570 565 709 632 697 527 509 518 532 18 487 503 436 654 663 709 626 518 717 681 518 19 436 453 482 464 658 468 556 736 465 784 20 506 418 521 571 605 538 634 573 650 501 608 21 484 425 474 528 660 487 554 494 494 683 515 509 22 547 479 474 636 552 524 493 702 533 542 23 592 503 554 631 695 452 560 509 685 565 568 24 456 490 524 526 499 489 561 620 818 474 501 25 552 405 460 696 632 588 487 582 434 627 535 443 26 631 535 539 601 548 516 514 762 554 355 27 516 459 564 655 671 551 555 506 492 530 616 701 28 547 486 452 768 551 521 493 623 523 567 735 29 595 478 652 470 569 555 490 701 458 518 30 485 606 706 731 483 580 532 521 637 384 680 31 598 509 485 556 495 722 760

Avg 496 470 494 562 624 532 540 568 519 628 568 558 Min 395 405 396 414 439 389 451 475 434 418 384 355 Max 631 570 630 768 731 688 709 753 639 818 710 784

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3172

Title 22 reports for Grit POINT LOMA WASTEWATER TREATMENT PLANT

CALIFORNIA HAZARDOUS WASTE IDENTIFICATION TESTS (Title 22) Point Loma Quarterly Grit Composite

From 01-OCT-2002 to 31-DEC-2002 Sampled by Point Loma Operations Analyzed by BOAG8CJRFJZIIENLXPDXSJRVTSBHHBKODEVL Source PLR Sample ID P190180 Sample Date 14-OCT-2002

CA Healthamp INORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit 40 CFR 503 Safety Code

Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt Limits Limits Constituent MDL Units mgKg mgKg mgKg mgL mgL mgKg mgK g ===================== ==== ======== =========== =========== =========== =========== =========== =========== ============= Antimony 5 mgkg 11 7 500 15 Arsenic 33 mgkg 29 19 500 50 41 Barium 042 mgkg 79 50 10000 100 Beryllium 2 mgkg ND ND 75 075 Cadmium 5 mgkg 08 05 100 10 39 Chromium (VI) NA mgkg NA NA 500 50 Chromium 3 mgkg 26 17 2500 560 1200 Cobalt 8 mgkg ND ND 8000 80 Copper 2 mgkg 221 141 2500 25 1500 2500 Lead 5 mgkg 8 5 1000 50 300 350 Mercury 003 mgkg 01 01 20 02 17 Molybdenum 6 mgkg 3 19 3500 3500 Nickel 3 mgkg 13 8 2000 20 420 2000 Selenium 24 mgkg ND ND 100 10 36 Silver 3 mgkg ND ND 500 50 Thallium 10 mgkg ND ND 700 70 Vanadium 14 mgkg 108 69 2400 24 Zinc 4 mgkg 273 174 5000 250 2800 Fluoride NA mgkg NA NA 18000 180 Sulfides-Reactive mgkg NA NA NA Sulfides-Total mgkg NA NA NA Total Solids NA Wt 638 NA Total Volatile Solids NA Wt 253 pH NA pH Units 673 gt2 - lt 12 ===================== ==== ======== =========== =========== =========== =========== =========== =========== ===========

ORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt

Constituent MDL Units mgKg mgKg mgKg mgL mgL ================= ======== ===== =========== =========== =========== =========== =========== Aldrin 000002 mgKg ND ND 14 014 Chlordanes 0000014 mgKg ND ND 25 025 DDT DDE DDD 000004 mgKg 001080 000689 10 010 24-D 34 mgKg ND ND 100 10 Dieldrin 000002 mgKg ND ND 80 08 Endrin 000003 mgKg ND ND 02 002 Heptachlor 0000003 mgKg ND ND 47 047 Kepone NA mgKg NA ND 21 2 Lindane 000001 mgKg ND ND 40 04 Methoxychlor NA mgKg ND ND 100 10 Mirex 000002 mgKg ND ND 21 2 Pentachlorophenol 08 mgKg ND ND 17 17 PCBs (Arochlors) NA mgKg ND ND 50 50 Toxaphene 000024 mgKg ND ND 5 05 Trichloroethene 00253 mgKg ND ND 2040 204 245-TP 44 mgKg ND ND 10 1 ================= ======== ===== =========== =========== =========== =========== =========== ND= not detected NA = not analyzed = not reportable failed QC criteria

TTLC = Total Threshold Limit Concentration STLC = Soluble Threshold Limit Concentration WET = Waste Extraction Technique = The total concentration is less than 10 times the STLC Therefore by definition

this substance is present in concentrations that are less than the limits for hazardous wastes = Limits are in mgKg (dry weight) based on 40 CFR part 50313 Table 3 Limits for Land Application = The California State Health and Safety Code 251578 established lower a limit for Lead NA = Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required MDL = Method Detection Limit (are in mgKg per dry weight except for pH and Total and Volatile Solids) MBCDEWCN = Metro Biosolids Center Dewatered Centrifuged Sludge TTLC = Total Threshold Limit Concentration

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3173

POINT LOMA WASTEWATER TREATMENT PLANT QUARTERLY GRIT COMPOSITES Inorganics and Organics

From 01-JAN-2002 to 31-DEC-2002

GRIT COMP 14-OCT-2002

Analyte MDL Units P190180 ============================== ====== ===== ============ Aluminum 5 MGKG 3020 Antimony 5 MGKG 110 Arsenic 33 MGKG 287 Barium 042 MGKG 794 Beryllium 2 MGKG ND Cadmium 5 MGKG 08 Chromium 3 MGKG 26 Cobalt 8 MGKG ND Copper 2 MGKG 221 Iron 3 MGKG 12900 Lead 5 MGKG 8 Manganese 48 MGKG 151 Mercury 003 MGKG 014 Molybdenum 6 MGKG 32 Nickel 3 MGKG 13 Selenium 24 MGKG lt024 Silver 3 MGKG ND Thallium 10 MGKG ND Vanadium 14 MGKG 108 Zinc 4 MGKG 273 Fluoride MGKG NA Sulfides-Reactive MGKG NA Sulfides-Total MGKG NA pH PH 673 Total Solids 24 WT 638 Total Volatile Solids 11 WT 253 Aldrin 8000 MGKG ND 24-dichlorophenoxyacetic acid 684 MGKG ND Dieldrin 16000 MGKG ND Endrin 8000 MGKG ND Heptachlor 6000 MGKG ND Kepone MGKG NA BHC Gamma isomer 2000 MGKG ND Methoxychlor 71000 MGKG ND Pentachlorophenol 5850 MGKG ND Toxaphene 130000 MGKG ND Trichloroethene MGKG NA 245-TP (Silvex) 633 MGKG ND CyanidesTotal MGKG NA

NA= Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3174

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

----- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -------- -------- -------- -----------

---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -------- -------- -------- -----------

----- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ------------- -------- -------- -------- ----------

---------- ---------- ---------- ---------- ---------- ---------- ---------- ------------- -------- -------- -------- ----------

E Gas Production Point Loma Wastewater Treatment Plant

Gas Report ndash 2002

Daily Monthly Averages

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 6614 8563 4082 9935 1406 29193 209 1659 1106 2975 02 6163 7614 4237 8796 1565 26810 246 1506 1144 2896 03 4925 6487 4427 7669 694 23508 174 1212 1685 3072 04 5131 6265 4019 6696 665 22111 150 1184 1723 3057 05 5170 6319 3992 6689 532 22169 38 2047 1061 3146 06 5163 6321 0 0 4037 6719 463 22241 17 1631 1435 3083 07 5257 6396 0 0 4073 6404 531 22130 30 1331 1755 3117 08 4988 6338 0 0 3877 5318 556 20520 37 1203 1752 2991 09 4972 6103 0 0 3644 4707 525 19426 42 1296 1547 2884 10 4700 5910 0 0 3880 5717 526 20207 43 1157 1632 2831 11 4914 6191 0 0 4152 6180 511 21436 10 1230 1694 2935 12 5048 6328 0 0 4278 6273 699 21926 161 1271 1524 2956

avg 5254 6570 0 0 4058 6758 723 22640 96 1394 1505 2995

Monthly Totals

GAS PRODUCTION (x1000 Cu Ft) GAS CONSUMPTION (x1000 Cu Ft)

Month N-1-P N-2-P C-1-P C-2-P S-1-P S-2-P Dig 7 Total Boilers Burners GUF Total

01 205020 265460 126540 307970 43580 904990 6481 51433 34300 92214 02 172570 213180 118640 246290 43810 750680 6900 42159 32037 81096 03 152660 201090 137250 237750 21499 728750 5406 37572 52249 95227 04 153920 187960 120570 200880 19939 663330 4488 35526 51695 91709 05 160260 195880 123740 207370 16482 687250 1180 63459 32898 97537 06 154895 189634 0 0 121124 201564 13888 667217 504 48929 43056 92489 07 162980 198280 0 0 126270 198510 16460 686040 944 41273 54408 96625 08 154620 196470 0 0 120180 164850 17240 636120 1138 37280 54303 92721 09 149150 183100 0 0 109310 141220 15760 582780 1245 38878 46404 86527 10 145690 183210 0 0 120290 177220 16310 626410 1325 35858 50584 87767 11 147420 185720 0 0 124550 185390 15340 643080 300 36907 50833 88040 12 156480 196170 0 0 132620 194450 21670 679720 4989 39391 47244 91624

avg 159639 199680 0 0 123424 205289 21832 688031 2908 42389 45834 91131 sum 1915665 2396154 0 0 1481084 2463464 261978 8256367 34900 508665 550011 1093576

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3164

F Graphs of Chemical Usage

Point Loma - 2002 Ferric Chloride

50000

55000

60000

65000

70000

75000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Salt

9000

10000

11000

12000

13000

14000

15000

16000

17000

18000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3165

Point Loma - 2002 Sodium Hydroxide

4000

4500

5000

5500

6000

6500

7000

7500

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Polymer Active Polymer

0

100000

200000

300000

400000

500000

600000

700000

800000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3166

Point Loma - 2002 Sodium Hypochlorite

20000

25000

30000

35000

40000

45000

50000

55000

60000

65000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3167

G Facilities Out-of-service report (2002) Facilities that were out of service In 2002 by date

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 9 0101 0919 Contractor workpreventive

maintenance Sed Basin 10 0101 1219 Contractor workpreventive

maintenance Sed Basin 11 0101 0106 Poor removals Sed Basin 12 0101 1231 Contractor work Influent Screen 5 0101 0118 Maintenance SEOC 0103 0608 Contractor Sed Basin 7 0107 0222 Broken Flights Influent Screen 2 0118 0128 Maintenance Influent Screen 4 0128 0129 Maintenance Sed Basin 11 0128 1231 Contractor work Influent Screen 2 0129 0327 Maintenance East Influent Channel 0201 0605 Grit Scouring Sed Basin 1 0315 0319 Water line repair Influent Screen 3 0328 0521 Repair Sed Basin 3 0402 0403 Polymer line repair N1 Grit Basin 0507 0507 Line repair N2 Grit Basin 0512 0513 Line repair Influent Screen 1 0521 1002 Maintenance West Influent Channel

0605 0709 Grit scouring

C2 Grit Basin 0614 0614 Weld grit hopper East Influent Channel 0709 0828 Grit scouring Sed Basin 8 0718 0725 Object Retrieval N2 Grit Basin 0731 0731 Line repair West Influent Channel

0828 0925 Grit scouring

N2 Grit Basin 0902 0902 Line repair N1 Grit Basin 0903 0904 Line repair and equipment check N2 Grit Basin 0903 0904 Line repair and equipment check C1 Grit Basin 0903 0904 Line repair and equipment check C2 Grit Basin 0903 0904 Line repair and equipment check Sed Basin 1 0920 0924 Scum weir repair East Influent Channel 0925 1024 Grit scouring Sed Basin 6 0924 1005 Preventive Maintenance and scum

repair SEOC 1001 1001 Contractor Work Sed Basin 9 1005 1010 No raw sludge pumps available Sed Basin 6 1010 1219 Broken flights and scum repair West Influent Channel

1024 1127 Grit scouring

N2 Grit Basin 1125 1125 Line repair East Influent Channel 1127 1219 Grit Scouring N2 Grit Basin 1209 1211 Line repair Sed Basin 5 1219 1231 Preventive Maintenance and scum

repair West Influent Channel

1219 1231 Grit Scouring

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3168

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 8 1219 1231 Flight and scum trough repair

GRIT CHAMBERS N1 57 93-94 N2 512-513 92 93-94 1125 129-1211

C1 93-94 C2 614 93-94 S1 101-1231 S2 101-1231

CHANNELS

BASINS

EAST 21-65 79-828 925-1024 1127-1219

WEST 65-79 828-925 1024-1127 1219-1231

1 315-319 920-924 2 3 42-43

4 5 1219-1231 6 924-105 1010-1219 7 17-222 8 718-725 1219-1231 9 11-919 105-1010 10 11-1219 11 11-16 128-1231 12 11-1231

NORTH EFFLUENT SCREENS 11-13 SOUTH EFFLUENT SCREENS 13-68 101 INFLUENT SCREEN 1 521-102 INFLUENT SCREEN 2 118-128 129-327 INFLUENT SCREEN 3 328-521 INFLUENT SCREEN 4 128-129 INFLUENT SCREEN 5 11-118

DIGESTERS N1P N2P C1P 0101-1231 C2P 0101-1231 S1P S2P Dig 7 Dig 8 0101-0218 (New construction)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3169

SHUTDOWNS DATE FROM TO REASON

0105 0200 0430 Pump Station 2 work 0126 0200 0500 Build bulkhead in channel 0127 0200 0615 Build bulkhead in channel 0128 0200 0615 Build bulkhead in channel 0427 0130 0545 Pump Station 2 work 0829 0200 0600 Pump Station 2 work 0830 0200 0600 Pump Station 2 work 1005 0100 0515 Pump Station 2 work 1006 0100 0545 Pump Station 2 work 1115 0100 0430 Pump Station 2 work 1213 0100 555 Pump Station 2 work

1214 0055 0515 Pump Station 2 work

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3170

H Grit Analyses The following are reports of the analyses of grit samples taken from the Pt Loma WWTP headworks (grit removal chambers) in 2002 Reports include Title 22 analyses and Total Solids Although everywhere else in this report PLR refers to Point Loma WWTP raw Influent sewage in this section it refers to the grit removed from the grit chambers at the headworks building at the influent end of the plant Samples from the grit bins are taken daily for 7-8 consecutive days and composited together to form the annual sample

Point Loma Wastewater Treatment Plant Total Solids - Grit and Rags 2002 (WT)

Grit Monthly Averages

Rags Monthly Averages

JAN 496 JAN 449 FEB 470 FEB 416 MAR 494 MAR 450 APR 562 APR 436 MAY 624 MAY 480 JUN 532 JUN 446 JUL 540 JUL 415 AUG 568 AUG 422 SEP 519 SEP 490 OCT 628 OCT 420 NOV 568 NOV 485 DEC 558 DEC 373 AVG 547 AVG 440

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3171

Point Loma Wastewater Treatment Plant 2002 Grit Total Solids (WT) at Point Loma

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day WT WT WT WT WT WT WT WT WT WT WT WT

1 490 517 396 474 697 452 551 475 448 525 710 541 2 420 489 501 464 647 458 490 512 461 447 659 685 3 490 468 453 461 692 553 482 526 495 506 561 570 4 428 411 453 449 631 418 475 563 520 665 692 523 5 463 469 495 427 630 502 451 517 532 523 695 588 6 454 427 477 458 613 519 454 517 505 662 683 516 7 477 461 527 421 483 422 539 492 488 510 545 568 8 424 507 630 461 720 604 569 502 568 418 526 557 9 466 522 605 535 630 389 688 564 549 494 536 480

10 395 456 476 414 622 487 552 668 639 673 566 11 441 446 432 548 615 513 469 753 440 586 460 12 434 439 409 664 439 504 593 662 512 768 651 501 13 585 451 409 600 642 688 672 499 789 656 492 14 525 464 500 595 680 566 726 502 517 601 592 15 524 441 442 493 444 652 572 495 663 528 424 16 418 475 470 600 670 679 543 665 481 501 17 498 570 565 709 632 697 527 509 518 532 18 487 503 436 654 663 709 626 518 717 681 518 19 436 453 482 464 658 468 556 736 465 784 20 506 418 521 571 605 538 634 573 650 501 608 21 484 425 474 528 660 487 554 494 494 683 515 509 22 547 479 474 636 552 524 493 702 533 542 23 592 503 554 631 695 452 560 509 685 565 568 24 456 490 524 526 499 489 561 620 818 474 501 25 552 405 460 696 632 588 487 582 434 627 535 443 26 631 535 539 601 548 516 514 762 554 355 27 516 459 564 655 671 551 555 506 492 530 616 701 28 547 486 452 768 551 521 493 623 523 567 735 29 595 478 652 470 569 555 490 701 458 518 30 485 606 706 731 483 580 532 521 637 384 680 31 598 509 485 556 495 722 760

Avg 496 470 494 562 624 532 540 568 519 628 568 558 Min 395 405 396 414 439 389 451 475 434 418 384 355 Max 631 570 630 768 731 688 709 753 639 818 710 784

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3172

Title 22 reports for Grit POINT LOMA WASTEWATER TREATMENT PLANT

CALIFORNIA HAZARDOUS WASTE IDENTIFICATION TESTS (Title 22) Point Loma Quarterly Grit Composite

From 01-OCT-2002 to 31-DEC-2002 Sampled by Point Loma Operations Analyzed by BOAG8CJRFJZIIENLXPDXSJRVTSBHHBKODEVL Source PLR Sample ID P190180 Sample Date 14-OCT-2002

CA Healthamp INORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit 40 CFR 503 Safety Code

Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt Limits Limits Constituent MDL Units mgKg mgKg mgKg mgL mgL mgKg mgK g ===================== ==== ======== =========== =========== =========== =========== =========== =========== ============= Antimony 5 mgkg 11 7 500 15 Arsenic 33 mgkg 29 19 500 50 41 Barium 042 mgkg 79 50 10000 100 Beryllium 2 mgkg ND ND 75 075 Cadmium 5 mgkg 08 05 100 10 39 Chromium (VI) NA mgkg NA NA 500 50 Chromium 3 mgkg 26 17 2500 560 1200 Cobalt 8 mgkg ND ND 8000 80 Copper 2 mgkg 221 141 2500 25 1500 2500 Lead 5 mgkg 8 5 1000 50 300 350 Mercury 003 mgkg 01 01 20 02 17 Molybdenum 6 mgkg 3 19 3500 3500 Nickel 3 mgkg 13 8 2000 20 420 2000 Selenium 24 mgkg ND ND 100 10 36 Silver 3 mgkg ND ND 500 50 Thallium 10 mgkg ND ND 700 70 Vanadium 14 mgkg 108 69 2400 24 Zinc 4 mgkg 273 174 5000 250 2800 Fluoride NA mgkg NA NA 18000 180 Sulfides-Reactive mgkg NA NA NA Sulfides-Total mgkg NA NA NA Total Solids NA Wt 638 NA Total Volatile Solids NA Wt 253 pH NA pH Units 673 gt2 - lt 12 ===================== ==== ======== =========== =========== =========== =========== =========== =========== ===========

ORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt

Constituent MDL Units mgKg mgKg mgKg mgL mgL ================= ======== ===== =========== =========== =========== =========== =========== Aldrin 000002 mgKg ND ND 14 014 Chlordanes 0000014 mgKg ND ND 25 025 DDT DDE DDD 000004 mgKg 001080 000689 10 010 24-D 34 mgKg ND ND 100 10 Dieldrin 000002 mgKg ND ND 80 08 Endrin 000003 mgKg ND ND 02 002 Heptachlor 0000003 mgKg ND ND 47 047 Kepone NA mgKg NA ND 21 2 Lindane 000001 mgKg ND ND 40 04 Methoxychlor NA mgKg ND ND 100 10 Mirex 000002 mgKg ND ND 21 2 Pentachlorophenol 08 mgKg ND ND 17 17 PCBs (Arochlors) NA mgKg ND ND 50 50 Toxaphene 000024 mgKg ND ND 5 05 Trichloroethene 00253 mgKg ND ND 2040 204 245-TP 44 mgKg ND ND 10 1 ================= ======== ===== =========== =========== =========== =========== =========== ND= not detected NA = not analyzed = not reportable failed QC criteria

TTLC = Total Threshold Limit Concentration STLC = Soluble Threshold Limit Concentration WET = Waste Extraction Technique = The total concentration is less than 10 times the STLC Therefore by definition

this substance is present in concentrations that are less than the limits for hazardous wastes = Limits are in mgKg (dry weight) based on 40 CFR part 50313 Table 3 Limits for Land Application = The California State Health and Safety Code 251578 established lower a limit for Lead NA = Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required MDL = Method Detection Limit (are in mgKg per dry weight except for pH and Total and Volatile Solids) MBCDEWCN = Metro Biosolids Center Dewatered Centrifuged Sludge TTLC = Total Threshold Limit Concentration

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3173

POINT LOMA WASTEWATER TREATMENT PLANT QUARTERLY GRIT COMPOSITES Inorganics and Organics

From 01-JAN-2002 to 31-DEC-2002

GRIT COMP 14-OCT-2002

Analyte MDL Units P190180 ============================== ====== ===== ============ Aluminum 5 MGKG 3020 Antimony 5 MGKG 110 Arsenic 33 MGKG 287 Barium 042 MGKG 794 Beryllium 2 MGKG ND Cadmium 5 MGKG 08 Chromium 3 MGKG 26 Cobalt 8 MGKG ND Copper 2 MGKG 221 Iron 3 MGKG 12900 Lead 5 MGKG 8 Manganese 48 MGKG 151 Mercury 003 MGKG 014 Molybdenum 6 MGKG 32 Nickel 3 MGKG 13 Selenium 24 MGKG lt024 Silver 3 MGKG ND Thallium 10 MGKG ND Vanadium 14 MGKG 108 Zinc 4 MGKG 273 Fluoride MGKG NA Sulfides-Reactive MGKG NA Sulfides-Total MGKG NA pH PH 673 Total Solids 24 WT 638 Total Volatile Solids 11 WT 253 Aldrin 8000 MGKG ND 24-dichlorophenoxyacetic acid 684 MGKG ND Dieldrin 16000 MGKG ND Endrin 8000 MGKG ND Heptachlor 6000 MGKG ND Kepone MGKG NA BHC Gamma isomer 2000 MGKG ND Methoxychlor 71000 MGKG ND Pentachlorophenol 5850 MGKG ND Toxaphene 130000 MGKG ND Trichloroethene MGKG NA 245-TP (Silvex) 633 MGKG ND CyanidesTotal MGKG NA

NA= Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3174

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

F Graphs of Chemical Usage

Point Loma - 2002 Ferric Chloride

50000

55000

60000

65000

70000

75000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Salt

9000

10000

11000

12000

13000

14000

15000

16000

17000

18000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3165

Point Loma - 2002 Sodium Hydroxide

4000

4500

5000

5500

6000

6500

7000

7500

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Polymer Active Polymer

0

100000

200000

300000

400000

500000

600000

700000

800000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3166

Point Loma - 2002 Sodium Hypochlorite

20000

25000

30000

35000

40000

45000

50000

55000

60000

65000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3167

G Facilities Out-of-service report (2002) Facilities that were out of service In 2002 by date

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 9 0101 0919 Contractor workpreventive

maintenance Sed Basin 10 0101 1219 Contractor workpreventive

maintenance Sed Basin 11 0101 0106 Poor removals Sed Basin 12 0101 1231 Contractor work Influent Screen 5 0101 0118 Maintenance SEOC 0103 0608 Contractor Sed Basin 7 0107 0222 Broken Flights Influent Screen 2 0118 0128 Maintenance Influent Screen 4 0128 0129 Maintenance Sed Basin 11 0128 1231 Contractor work Influent Screen 2 0129 0327 Maintenance East Influent Channel 0201 0605 Grit Scouring Sed Basin 1 0315 0319 Water line repair Influent Screen 3 0328 0521 Repair Sed Basin 3 0402 0403 Polymer line repair N1 Grit Basin 0507 0507 Line repair N2 Grit Basin 0512 0513 Line repair Influent Screen 1 0521 1002 Maintenance West Influent Channel

0605 0709 Grit scouring

C2 Grit Basin 0614 0614 Weld grit hopper East Influent Channel 0709 0828 Grit scouring Sed Basin 8 0718 0725 Object Retrieval N2 Grit Basin 0731 0731 Line repair West Influent Channel

0828 0925 Grit scouring

N2 Grit Basin 0902 0902 Line repair N1 Grit Basin 0903 0904 Line repair and equipment check N2 Grit Basin 0903 0904 Line repair and equipment check C1 Grit Basin 0903 0904 Line repair and equipment check C2 Grit Basin 0903 0904 Line repair and equipment check Sed Basin 1 0920 0924 Scum weir repair East Influent Channel 0925 1024 Grit scouring Sed Basin 6 0924 1005 Preventive Maintenance and scum

repair SEOC 1001 1001 Contractor Work Sed Basin 9 1005 1010 No raw sludge pumps available Sed Basin 6 1010 1219 Broken flights and scum repair West Influent Channel

1024 1127 Grit scouring

N2 Grit Basin 1125 1125 Line repair East Influent Channel 1127 1219 Grit Scouring N2 Grit Basin 1209 1211 Line repair Sed Basin 5 1219 1231 Preventive Maintenance and scum

repair West Influent Channel

1219 1231 Grit Scouring

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3168

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 8 1219 1231 Flight and scum trough repair

GRIT CHAMBERS N1 57 93-94 N2 512-513 92 93-94 1125 129-1211

C1 93-94 C2 614 93-94 S1 101-1231 S2 101-1231

CHANNELS

BASINS

EAST 21-65 79-828 925-1024 1127-1219

WEST 65-79 828-925 1024-1127 1219-1231

1 315-319 920-924 2 3 42-43

4 5 1219-1231 6 924-105 1010-1219 7 17-222 8 718-725 1219-1231 9 11-919 105-1010 10 11-1219 11 11-16 128-1231 12 11-1231

NORTH EFFLUENT SCREENS 11-13 SOUTH EFFLUENT SCREENS 13-68 101 INFLUENT SCREEN 1 521-102 INFLUENT SCREEN 2 118-128 129-327 INFLUENT SCREEN 3 328-521 INFLUENT SCREEN 4 128-129 INFLUENT SCREEN 5 11-118

DIGESTERS N1P N2P C1P 0101-1231 C2P 0101-1231 S1P S2P Dig 7 Dig 8 0101-0218 (New construction)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3169

SHUTDOWNS DATE FROM TO REASON

0105 0200 0430 Pump Station 2 work 0126 0200 0500 Build bulkhead in channel 0127 0200 0615 Build bulkhead in channel 0128 0200 0615 Build bulkhead in channel 0427 0130 0545 Pump Station 2 work 0829 0200 0600 Pump Station 2 work 0830 0200 0600 Pump Station 2 work 1005 0100 0515 Pump Station 2 work 1006 0100 0545 Pump Station 2 work 1115 0100 0430 Pump Station 2 work 1213 0100 555 Pump Station 2 work

1214 0055 0515 Pump Station 2 work

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3170

H Grit Analyses The following are reports of the analyses of grit samples taken from the Pt Loma WWTP headworks (grit removal chambers) in 2002 Reports include Title 22 analyses and Total Solids Although everywhere else in this report PLR refers to Point Loma WWTP raw Influent sewage in this section it refers to the grit removed from the grit chambers at the headworks building at the influent end of the plant Samples from the grit bins are taken daily for 7-8 consecutive days and composited together to form the annual sample

Point Loma Wastewater Treatment Plant Total Solids - Grit and Rags 2002 (WT)

Grit Monthly Averages

Rags Monthly Averages

JAN 496 JAN 449 FEB 470 FEB 416 MAR 494 MAR 450 APR 562 APR 436 MAY 624 MAY 480 JUN 532 JUN 446 JUL 540 JUL 415 AUG 568 AUG 422 SEP 519 SEP 490 OCT 628 OCT 420 NOV 568 NOV 485 DEC 558 DEC 373 AVG 547 AVG 440

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3171

Point Loma Wastewater Treatment Plant 2002 Grit Total Solids (WT) at Point Loma

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day WT WT WT WT WT WT WT WT WT WT WT WT

1 490 517 396 474 697 452 551 475 448 525 710 541 2 420 489 501 464 647 458 490 512 461 447 659 685 3 490 468 453 461 692 553 482 526 495 506 561 570 4 428 411 453 449 631 418 475 563 520 665 692 523 5 463 469 495 427 630 502 451 517 532 523 695 588 6 454 427 477 458 613 519 454 517 505 662 683 516 7 477 461 527 421 483 422 539 492 488 510 545 568 8 424 507 630 461 720 604 569 502 568 418 526 557 9 466 522 605 535 630 389 688 564 549 494 536 480

10 395 456 476 414 622 487 552 668 639 673 566 11 441 446 432 548 615 513 469 753 440 586 460 12 434 439 409 664 439 504 593 662 512 768 651 501 13 585 451 409 600 642 688 672 499 789 656 492 14 525 464 500 595 680 566 726 502 517 601 592 15 524 441 442 493 444 652 572 495 663 528 424 16 418 475 470 600 670 679 543 665 481 501 17 498 570 565 709 632 697 527 509 518 532 18 487 503 436 654 663 709 626 518 717 681 518 19 436 453 482 464 658 468 556 736 465 784 20 506 418 521 571 605 538 634 573 650 501 608 21 484 425 474 528 660 487 554 494 494 683 515 509 22 547 479 474 636 552 524 493 702 533 542 23 592 503 554 631 695 452 560 509 685 565 568 24 456 490 524 526 499 489 561 620 818 474 501 25 552 405 460 696 632 588 487 582 434 627 535 443 26 631 535 539 601 548 516 514 762 554 355 27 516 459 564 655 671 551 555 506 492 530 616 701 28 547 486 452 768 551 521 493 623 523 567 735 29 595 478 652 470 569 555 490 701 458 518 30 485 606 706 731 483 580 532 521 637 384 680 31 598 509 485 556 495 722 760

Avg 496 470 494 562 624 532 540 568 519 628 568 558 Min 395 405 396 414 439 389 451 475 434 418 384 355 Max 631 570 630 768 731 688 709 753 639 818 710 784

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3172

Title 22 reports for Grit POINT LOMA WASTEWATER TREATMENT PLANT

CALIFORNIA HAZARDOUS WASTE IDENTIFICATION TESTS (Title 22) Point Loma Quarterly Grit Composite

From 01-OCT-2002 to 31-DEC-2002 Sampled by Point Loma Operations Analyzed by BOAG8CJRFJZIIENLXPDXSJRVTSBHHBKODEVL Source PLR Sample ID P190180 Sample Date 14-OCT-2002

CA Healthamp INORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit 40 CFR 503 Safety Code

Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt Limits Limits Constituent MDL Units mgKg mgKg mgKg mgL mgL mgKg mgK g ===================== ==== ======== =========== =========== =========== =========== =========== =========== ============= Antimony 5 mgkg 11 7 500 15 Arsenic 33 mgkg 29 19 500 50 41 Barium 042 mgkg 79 50 10000 100 Beryllium 2 mgkg ND ND 75 075 Cadmium 5 mgkg 08 05 100 10 39 Chromium (VI) NA mgkg NA NA 500 50 Chromium 3 mgkg 26 17 2500 560 1200 Cobalt 8 mgkg ND ND 8000 80 Copper 2 mgkg 221 141 2500 25 1500 2500 Lead 5 mgkg 8 5 1000 50 300 350 Mercury 003 mgkg 01 01 20 02 17 Molybdenum 6 mgkg 3 19 3500 3500 Nickel 3 mgkg 13 8 2000 20 420 2000 Selenium 24 mgkg ND ND 100 10 36 Silver 3 mgkg ND ND 500 50 Thallium 10 mgkg ND ND 700 70 Vanadium 14 mgkg 108 69 2400 24 Zinc 4 mgkg 273 174 5000 250 2800 Fluoride NA mgkg NA NA 18000 180 Sulfides-Reactive mgkg NA NA NA Sulfides-Total mgkg NA NA NA Total Solids NA Wt 638 NA Total Volatile Solids NA Wt 253 pH NA pH Units 673 gt2 - lt 12 ===================== ==== ======== =========== =========== =========== =========== =========== =========== ===========

ORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt

Constituent MDL Units mgKg mgKg mgKg mgL mgL ================= ======== ===== =========== =========== =========== =========== =========== Aldrin 000002 mgKg ND ND 14 014 Chlordanes 0000014 mgKg ND ND 25 025 DDT DDE DDD 000004 mgKg 001080 000689 10 010 24-D 34 mgKg ND ND 100 10 Dieldrin 000002 mgKg ND ND 80 08 Endrin 000003 mgKg ND ND 02 002 Heptachlor 0000003 mgKg ND ND 47 047 Kepone NA mgKg NA ND 21 2 Lindane 000001 mgKg ND ND 40 04 Methoxychlor NA mgKg ND ND 100 10 Mirex 000002 mgKg ND ND 21 2 Pentachlorophenol 08 mgKg ND ND 17 17 PCBs (Arochlors) NA mgKg ND ND 50 50 Toxaphene 000024 mgKg ND ND 5 05 Trichloroethene 00253 mgKg ND ND 2040 204 245-TP 44 mgKg ND ND 10 1 ================= ======== ===== =========== =========== =========== =========== =========== ND= not detected NA = not analyzed = not reportable failed QC criteria

TTLC = Total Threshold Limit Concentration STLC = Soluble Threshold Limit Concentration WET = Waste Extraction Technique = The total concentration is less than 10 times the STLC Therefore by definition

this substance is present in concentrations that are less than the limits for hazardous wastes = Limits are in mgKg (dry weight) based on 40 CFR part 50313 Table 3 Limits for Land Application = The California State Health and Safety Code 251578 established lower a limit for Lead NA = Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required MDL = Method Detection Limit (are in mgKg per dry weight except for pH and Total and Volatile Solids) MBCDEWCN = Metro Biosolids Center Dewatered Centrifuged Sludge TTLC = Total Threshold Limit Concentration

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3173

POINT LOMA WASTEWATER TREATMENT PLANT QUARTERLY GRIT COMPOSITES Inorganics and Organics

From 01-JAN-2002 to 31-DEC-2002

GRIT COMP 14-OCT-2002

Analyte MDL Units P190180 ============================== ====== ===== ============ Aluminum 5 MGKG 3020 Antimony 5 MGKG 110 Arsenic 33 MGKG 287 Barium 042 MGKG 794 Beryllium 2 MGKG ND Cadmium 5 MGKG 08 Chromium 3 MGKG 26 Cobalt 8 MGKG ND Copper 2 MGKG 221 Iron 3 MGKG 12900 Lead 5 MGKG 8 Manganese 48 MGKG 151 Mercury 003 MGKG 014 Molybdenum 6 MGKG 32 Nickel 3 MGKG 13 Selenium 24 MGKG lt024 Silver 3 MGKG ND Thallium 10 MGKG ND Vanadium 14 MGKG 108 Zinc 4 MGKG 273 Fluoride MGKG NA Sulfides-Reactive MGKG NA Sulfides-Total MGKG NA pH PH 673 Total Solids 24 WT 638 Total Volatile Solids 11 WT 253 Aldrin 8000 MGKG ND 24-dichlorophenoxyacetic acid 684 MGKG ND Dieldrin 16000 MGKG ND Endrin 8000 MGKG ND Heptachlor 6000 MGKG ND Kepone MGKG NA BHC Gamma isomer 2000 MGKG ND Methoxychlor 71000 MGKG ND Pentachlorophenol 5850 MGKG ND Toxaphene 130000 MGKG ND Trichloroethene MGKG NA 245-TP (Silvex) 633 MGKG ND CyanidesTotal MGKG NA

NA= Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3174

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

Point Loma - 2002 Sodium Hydroxide

4000

4500

5000

5500

6000

6500

7000

7500

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

Point Loma - 2002 Polymer Active Polymer

0

100000

200000

300000

400000

500000

600000

700000

800000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Pou

nds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3166

Point Loma - 2002 Sodium Hypochlorite

20000

25000

30000

35000

40000

45000

50000

55000

60000

65000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3167

G Facilities Out-of-service report (2002) Facilities that were out of service In 2002 by date

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 9 0101 0919 Contractor workpreventive

maintenance Sed Basin 10 0101 1219 Contractor workpreventive

maintenance Sed Basin 11 0101 0106 Poor removals Sed Basin 12 0101 1231 Contractor work Influent Screen 5 0101 0118 Maintenance SEOC 0103 0608 Contractor Sed Basin 7 0107 0222 Broken Flights Influent Screen 2 0118 0128 Maintenance Influent Screen 4 0128 0129 Maintenance Sed Basin 11 0128 1231 Contractor work Influent Screen 2 0129 0327 Maintenance East Influent Channel 0201 0605 Grit Scouring Sed Basin 1 0315 0319 Water line repair Influent Screen 3 0328 0521 Repair Sed Basin 3 0402 0403 Polymer line repair N1 Grit Basin 0507 0507 Line repair N2 Grit Basin 0512 0513 Line repair Influent Screen 1 0521 1002 Maintenance West Influent Channel

0605 0709 Grit scouring

C2 Grit Basin 0614 0614 Weld grit hopper East Influent Channel 0709 0828 Grit scouring Sed Basin 8 0718 0725 Object Retrieval N2 Grit Basin 0731 0731 Line repair West Influent Channel

0828 0925 Grit scouring

N2 Grit Basin 0902 0902 Line repair N1 Grit Basin 0903 0904 Line repair and equipment check N2 Grit Basin 0903 0904 Line repair and equipment check C1 Grit Basin 0903 0904 Line repair and equipment check C2 Grit Basin 0903 0904 Line repair and equipment check Sed Basin 1 0920 0924 Scum weir repair East Influent Channel 0925 1024 Grit scouring Sed Basin 6 0924 1005 Preventive Maintenance and scum

repair SEOC 1001 1001 Contractor Work Sed Basin 9 1005 1010 No raw sludge pumps available Sed Basin 6 1010 1219 Broken flights and scum repair West Influent Channel

1024 1127 Grit scouring

N2 Grit Basin 1125 1125 Line repair East Influent Channel 1127 1219 Grit Scouring N2 Grit Basin 1209 1211 Line repair Sed Basin 5 1219 1231 Preventive Maintenance and scum

repair West Influent Channel

1219 1231 Grit Scouring

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3168

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 8 1219 1231 Flight and scum trough repair

GRIT CHAMBERS N1 57 93-94 N2 512-513 92 93-94 1125 129-1211

C1 93-94 C2 614 93-94 S1 101-1231 S2 101-1231

CHANNELS

BASINS

EAST 21-65 79-828 925-1024 1127-1219

WEST 65-79 828-925 1024-1127 1219-1231

1 315-319 920-924 2 3 42-43

4 5 1219-1231 6 924-105 1010-1219 7 17-222 8 718-725 1219-1231 9 11-919 105-1010 10 11-1219 11 11-16 128-1231 12 11-1231

NORTH EFFLUENT SCREENS 11-13 SOUTH EFFLUENT SCREENS 13-68 101 INFLUENT SCREEN 1 521-102 INFLUENT SCREEN 2 118-128 129-327 INFLUENT SCREEN 3 328-521 INFLUENT SCREEN 4 128-129 INFLUENT SCREEN 5 11-118

DIGESTERS N1P N2P C1P 0101-1231 C2P 0101-1231 S1P S2P Dig 7 Dig 8 0101-0218 (New construction)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3169

SHUTDOWNS DATE FROM TO REASON

0105 0200 0430 Pump Station 2 work 0126 0200 0500 Build bulkhead in channel 0127 0200 0615 Build bulkhead in channel 0128 0200 0615 Build bulkhead in channel 0427 0130 0545 Pump Station 2 work 0829 0200 0600 Pump Station 2 work 0830 0200 0600 Pump Station 2 work 1005 0100 0515 Pump Station 2 work 1006 0100 0545 Pump Station 2 work 1115 0100 0430 Pump Station 2 work 1213 0100 555 Pump Station 2 work

1214 0055 0515 Pump Station 2 work

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3170

H Grit Analyses The following are reports of the analyses of grit samples taken from the Pt Loma WWTP headworks (grit removal chambers) in 2002 Reports include Title 22 analyses and Total Solids Although everywhere else in this report PLR refers to Point Loma WWTP raw Influent sewage in this section it refers to the grit removed from the grit chambers at the headworks building at the influent end of the plant Samples from the grit bins are taken daily for 7-8 consecutive days and composited together to form the annual sample

Point Loma Wastewater Treatment Plant Total Solids - Grit and Rags 2002 (WT)

Grit Monthly Averages

Rags Monthly Averages

JAN 496 JAN 449 FEB 470 FEB 416 MAR 494 MAR 450 APR 562 APR 436 MAY 624 MAY 480 JUN 532 JUN 446 JUL 540 JUL 415 AUG 568 AUG 422 SEP 519 SEP 490 OCT 628 OCT 420 NOV 568 NOV 485 DEC 558 DEC 373 AVG 547 AVG 440

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3171

Point Loma Wastewater Treatment Plant 2002 Grit Total Solids (WT) at Point Loma

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day WT WT WT WT WT WT WT WT WT WT WT WT

1 490 517 396 474 697 452 551 475 448 525 710 541 2 420 489 501 464 647 458 490 512 461 447 659 685 3 490 468 453 461 692 553 482 526 495 506 561 570 4 428 411 453 449 631 418 475 563 520 665 692 523 5 463 469 495 427 630 502 451 517 532 523 695 588 6 454 427 477 458 613 519 454 517 505 662 683 516 7 477 461 527 421 483 422 539 492 488 510 545 568 8 424 507 630 461 720 604 569 502 568 418 526 557 9 466 522 605 535 630 389 688 564 549 494 536 480

10 395 456 476 414 622 487 552 668 639 673 566 11 441 446 432 548 615 513 469 753 440 586 460 12 434 439 409 664 439 504 593 662 512 768 651 501 13 585 451 409 600 642 688 672 499 789 656 492 14 525 464 500 595 680 566 726 502 517 601 592 15 524 441 442 493 444 652 572 495 663 528 424 16 418 475 470 600 670 679 543 665 481 501 17 498 570 565 709 632 697 527 509 518 532 18 487 503 436 654 663 709 626 518 717 681 518 19 436 453 482 464 658 468 556 736 465 784 20 506 418 521 571 605 538 634 573 650 501 608 21 484 425 474 528 660 487 554 494 494 683 515 509 22 547 479 474 636 552 524 493 702 533 542 23 592 503 554 631 695 452 560 509 685 565 568 24 456 490 524 526 499 489 561 620 818 474 501 25 552 405 460 696 632 588 487 582 434 627 535 443 26 631 535 539 601 548 516 514 762 554 355 27 516 459 564 655 671 551 555 506 492 530 616 701 28 547 486 452 768 551 521 493 623 523 567 735 29 595 478 652 470 569 555 490 701 458 518 30 485 606 706 731 483 580 532 521 637 384 680 31 598 509 485 556 495 722 760

Avg 496 470 494 562 624 532 540 568 519 628 568 558 Min 395 405 396 414 439 389 451 475 434 418 384 355 Max 631 570 630 768 731 688 709 753 639 818 710 784

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3172

Title 22 reports for Grit POINT LOMA WASTEWATER TREATMENT PLANT

CALIFORNIA HAZARDOUS WASTE IDENTIFICATION TESTS (Title 22) Point Loma Quarterly Grit Composite

From 01-OCT-2002 to 31-DEC-2002 Sampled by Point Loma Operations Analyzed by BOAG8CJRFJZIIENLXPDXSJRVTSBHHBKODEVL Source PLR Sample ID P190180 Sample Date 14-OCT-2002

CA Healthamp INORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit 40 CFR 503 Safety Code

Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt Limits Limits Constituent MDL Units mgKg mgKg mgKg mgL mgL mgKg mgK g ===================== ==== ======== =========== =========== =========== =========== =========== =========== ============= Antimony 5 mgkg 11 7 500 15 Arsenic 33 mgkg 29 19 500 50 41 Barium 042 mgkg 79 50 10000 100 Beryllium 2 mgkg ND ND 75 075 Cadmium 5 mgkg 08 05 100 10 39 Chromium (VI) NA mgkg NA NA 500 50 Chromium 3 mgkg 26 17 2500 560 1200 Cobalt 8 mgkg ND ND 8000 80 Copper 2 mgkg 221 141 2500 25 1500 2500 Lead 5 mgkg 8 5 1000 50 300 350 Mercury 003 mgkg 01 01 20 02 17 Molybdenum 6 mgkg 3 19 3500 3500 Nickel 3 mgkg 13 8 2000 20 420 2000 Selenium 24 mgkg ND ND 100 10 36 Silver 3 mgkg ND ND 500 50 Thallium 10 mgkg ND ND 700 70 Vanadium 14 mgkg 108 69 2400 24 Zinc 4 mgkg 273 174 5000 250 2800 Fluoride NA mgkg NA NA 18000 180 Sulfides-Reactive mgkg NA NA NA Sulfides-Total mgkg NA NA NA Total Solids NA Wt 638 NA Total Volatile Solids NA Wt 253 pH NA pH Units 673 gt2 - lt 12 ===================== ==== ======== =========== =========== =========== =========== =========== =========== ===========

ORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt

Constituent MDL Units mgKg mgKg mgKg mgL mgL ================= ======== ===== =========== =========== =========== =========== =========== Aldrin 000002 mgKg ND ND 14 014 Chlordanes 0000014 mgKg ND ND 25 025 DDT DDE DDD 000004 mgKg 001080 000689 10 010 24-D 34 mgKg ND ND 100 10 Dieldrin 000002 mgKg ND ND 80 08 Endrin 000003 mgKg ND ND 02 002 Heptachlor 0000003 mgKg ND ND 47 047 Kepone NA mgKg NA ND 21 2 Lindane 000001 mgKg ND ND 40 04 Methoxychlor NA mgKg ND ND 100 10 Mirex 000002 mgKg ND ND 21 2 Pentachlorophenol 08 mgKg ND ND 17 17 PCBs (Arochlors) NA mgKg ND ND 50 50 Toxaphene 000024 mgKg ND ND 5 05 Trichloroethene 00253 mgKg ND ND 2040 204 245-TP 44 mgKg ND ND 10 1 ================= ======== ===== =========== =========== =========== =========== =========== ND= not detected NA = not analyzed = not reportable failed QC criteria

TTLC = Total Threshold Limit Concentration STLC = Soluble Threshold Limit Concentration WET = Waste Extraction Technique = The total concentration is less than 10 times the STLC Therefore by definition

this substance is present in concentrations that are less than the limits for hazardous wastes = Limits are in mgKg (dry weight) based on 40 CFR part 50313 Table 3 Limits for Land Application = The California State Health and Safety Code 251578 established lower a limit for Lead NA = Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required MDL = Method Detection Limit (are in mgKg per dry weight except for pH and Total and Volatile Solids) MBCDEWCN = Metro Biosolids Center Dewatered Centrifuged Sludge TTLC = Total Threshold Limit Concentration

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3173

POINT LOMA WASTEWATER TREATMENT PLANT QUARTERLY GRIT COMPOSITES Inorganics and Organics

From 01-JAN-2002 to 31-DEC-2002

GRIT COMP 14-OCT-2002

Analyte MDL Units P190180 ============================== ====== ===== ============ Aluminum 5 MGKG 3020 Antimony 5 MGKG 110 Arsenic 33 MGKG 287 Barium 042 MGKG 794 Beryllium 2 MGKG ND Cadmium 5 MGKG 08 Chromium 3 MGKG 26 Cobalt 8 MGKG ND Copper 2 MGKG 221 Iron 3 MGKG 12900 Lead 5 MGKG 8 Manganese 48 MGKG 151 Mercury 003 MGKG 014 Molybdenum 6 MGKG 32 Nickel 3 MGKG 13 Selenium 24 MGKG lt024 Silver 3 MGKG ND Thallium 10 MGKG ND Vanadium 14 MGKG 108 Zinc 4 MGKG 273 Fluoride MGKG NA Sulfides-Reactive MGKG NA Sulfides-Total MGKG NA pH PH 673 Total Solids 24 WT 638 Total Volatile Solids 11 WT 253 Aldrin 8000 MGKG ND 24-dichlorophenoxyacetic acid 684 MGKG ND Dieldrin 16000 MGKG ND Endrin 8000 MGKG ND Heptachlor 6000 MGKG ND Kepone MGKG NA BHC Gamma isomer 2000 MGKG ND Methoxychlor 71000 MGKG ND Pentachlorophenol 5850 MGKG ND Toxaphene 130000 MGKG ND Trichloroethene MGKG NA 245-TP (Silvex) 633 MGKG ND CyanidesTotal MGKG NA

NA= Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3174

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

Point Loma - 2002 Sodium Hypochlorite

20000

25000

30000

35000

40000

45000

50000

55000

60000

65000

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month

Gal

lons

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3167

G Facilities Out-of-service report (2002) Facilities that were out of service In 2002 by date

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 9 0101 0919 Contractor workpreventive

maintenance Sed Basin 10 0101 1219 Contractor workpreventive

maintenance Sed Basin 11 0101 0106 Poor removals Sed Basin 12 0101 1231 Contractor work Influent Screen 5 0101 0118 Maintenance SEOC 0103 0608 Contractor Sed Basin 7 0107 0222 Broken Flights Influent Screen 2 0118 0128 Maintenance Influent Screen 4 0128 0129 Maintenance Sed Basin 11 0128 1231 Contractor work Influent Screen 2 0129 0327 Maintenance East Influent Channel 0201 0605 Grit Scouring Sed Basin 1 0315 0319 Water line repair Influent Screen 3 0328 0521 Repair Sed Basin 3 0402 0403 Polymer line repair N1 Grit Basin 0507 0507 Line repair N2 Grit Basin 0512 0513 Line repair Influent Screen 1 0521 1002 Maintenance West Influent Channel

0605 0709 Grit scouring

C2 Grit Basin 0614 0614 Weld grit hopper East Influent Channel 0709 0828 Grit scouring Sed Basin 8 0718 0725 Object Retrieval N2 Grit Basin 0731 0731 Line repair West Influent Channel

0828 0925 Grit scouring

N2 Grit Basin 0902 0902 Line repair N1 Grit Basin 0903 0904 Line repair and equipment check N2 Grit Basin 0903 0904 Line repair and equipment check C1 Grit Basin 0903 0904 Line repair and equipment check C2 Grit Basin 0903 0904 Line repair and equipment check Sed Basin 1 0920 0924 Scum weir repair East Influent Channel 0925 1024 Grit scouring Sed Basin 6 0924 1005 Preventive Maintenance and scum

repair SEOC 1001 1001 Contractor Work Sed Basin 9 1005 1010 No raw sludge pumps available Sed Basin 6 1010 1219 Broken flights and scum repair West Influent Channel

1024 1127 Grit scouring

N2 Grit Basin 1125 1125 Line repair East Influent Channel 1127 1219 Grit Scouring N2 Grit Basin 1209 1211 Line repair Sed Basin 5 1219 1231 Preventive Maintenance and scum

repair West Influent Channel

1219 1231 Grit Scouring

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3168

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 8 1219 1231 Flight and scum trough repair

GRIT CHAMBERS N1 57 93-94 N2 512-513 92 93-94 1125 129-1211

C1 93-94 C2 614 93-94 S1 101-1231 S2 101-1231

CHANNELS

BASINS

EAST 21-65 79-828 925-1024 1127-1219

WEST 65-79 828-925 1024-1127 1219-1231

1 315-319 920-924 2 3 42-43

4 5 1219-1231 6 924-105 1010-1219 7 17-222 8 718-725 1219-1231 9 11-919 105-1010 10 11-1219 11 11-16 128-1231 12 11-1231

NORTH EFFLUENT SCREENS 11-13 SOUTH EFFLUENT SCREENS 13-68 101 INFLUENT SCREEN 1 521-102 INFLUENT SCREEN 2 118-128 129-327 INFLUENT SCREEN 3 328-521 INFLUENT SCREEN 4 128-129 INFLUENT SCREEN 5 11-118

DIGESTERS N1P N2P C1P 0101-1231 C2P 0101-1231 S1P S2P Dig 7 Dig 8 0101-0218 (New construction)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3169

SHUTDOWNS DATE FROM TO REASON

0105 0200 0430 Pump Station 2 work 0126 0200 0500 Build bulkhead in channel 0127 0200 0615 Build bulkhead in channel 0128 0200 0615 Build bulkhead in channel 0427 0130 0545 Pump Station 2 work 0829 0200 0600 Pump Station 2 work 0830 0200 0600 Pump Station 2 work 1005 0100 0515 Pump Station 2 work 1006 0100 0545 Pump Station 2 work 1115 0100 0430 Pump Station 2 work 1213 0100 555 Pump Station 2 work

1214 0055 0515 Pump Station 2 work

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3170

H Grit Analyses The following are reports of the analyses of grit samples taken from the Pt Loma WWTP headworks (grit removal chambers) in 2002 Reports include Title 22 analyses and Total Solids Although everywhere else in this report PLR refers to Point Loma WWTP raw Influent sewage in this section it refers to the grit removed from the grit chambers at the headworks building at the influent end of the plant Samples from the grit bins are taken daily for 7-8 consecutive days and composited together to form the annual sample

Point Loma Wastewater Treatment Plant Total Solids - Grit and Rags 2002 (WT)

Grit Monthly Averages

Rags Monthly Averages

JAN 496 JAN 449 FEB 470 FEB 416 MAR 494 MAR 450 APR 562 APR 436 MAY 624 MAY 480 JUN 532 JUN 446 JUL 540 JUL 415 AUG 568 AUG 422 SEP 519 SEP 490 OCT 628 OCT 420 NOV 568 NOV 485 DEC 558 DEC 373 AVG 547 AVG 440

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3171

Point Loma Wastewater Treatment Plant 2002 Grit Total Solids (WT) at Point Loma

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day WT WT WT WT WT WT WT WT WT WT WT WT

1 490 517 396 474 697 452 551 475 448 525 710 541 2 420 489 501 464 647 458 490 512 461 447 659 685 3 490 468 453 461 692 553 482 526 495 506 561 570 4 428 411 453 449 631 418 475 563 520 665 692 523 5 463 469 495 427 630 502 451 517 532 523 695 588 6 454 427 477 458 613 519 454 517 505 662 683 516 7 477 461 527 421 483 422 539 492 488 510 545 568 8 424 507 630 461 720 604 569 502 568 418 526 557 9 466 522 605 535 630 389 688 564 549 494 536 480

10 395 456 476 414 622 487 552 668 639 673 566 11 441 446 432 548 615 513 469 753 440 586 460 12 434 439 409 664 439 504 593 662 512 768 651 501 13 585 451 409 600 642 688 672 499 789 656 492 14 525 464 500 595 680 566 726 502 517 601 592 15 524 441 442 493 444 652 572 495 663 528 424 16 418 475 470 600 670 679 543 665 481 501 17 498 570 565 709 632 697 527 509 518 532 18 487 503 436 654 663 709 626 518 717 681 518 19 436 453 482 464 658 468 556 736 465 784 20 506 418 521 571 605 538 634 573 650 501 608 21 484 425 474 528 660 487 554 494 494 683 515 509 22 547 479 474 636 552 524 493 702 533 542 23 592 503 554 631 695 452 560 509 685 565 568 24 456 490 524 526 499 489 561 620 818 474 501 25 552 405 460 696 632 588 487 582 434 627 535 443 26 631 535 539 601 548 516 514 762 554 355 27 516 459 564 655 671 551 555 506 492 530 616 701 28 547 486 452 768 551 521 493 623 523 567 735 29 595 478 652 470 569 555 490 701 458 518 30 485 606 706 731 483 580 532 521 637 384 680 31 598 509 485 556 495 722 760

Avg 496 470 494 562 624 532 540 568 519 628 568 558 Min 395 405 396 414 439 389 451 475 434 418 384 355 Max 631 570 630 768 731 688 709 753 639 818 710 784

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3172

Title 22 reports for Grit POINT LOMA WASTEWATER TREATMENT PLANT

CALIFORNIA HAZARDOUS WASTE IDENTIFICATION TESTS (Title 22) Point Loma Quarterly Grit Composite

From 01-OCT-2002 to 31-DEC-2002 Sampled by Point Loma Operations Analyzed by BOAG8CJRFJZIIENLXPDXSJRVTSBHHBKODEVL Source PLR Sample ID P190180 Sample Date 14-OCT-2002

CA Healthamp INORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit 40 CFR 503 Safety Code

Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt Limits Limits Constituent MDL Units mgKg mgKg mgKg mgL mgL mgKg mgK g ===================== ==== ======== =========== =========== =========== =========== =========== =========== ============= Antimony 5 mgkg 11 7 500 15 Arsenic 33 mgkg 29 19 500 50 41 Barium 042 mgkg 79 50 10000 100 Beryllium 2 mgkg ND ND 75 075 Cadmium 5 mgkg 08 05 100 10 39 Chromium (VI) NA mgkg NA NA 500 50 Chromium 3 mgkg 26 17 2500 560 1200 Cobalt 8 mgkg ND ND 8000 80 Copper 2 mgkg 221 141 2500 25 1500 2500 Lead 5 mgkg 8 5 1000 50 300 350 Mercury 003 mgkg 01 01 20 02 17 Molybdenum 6 mgkg 3 19 3500 3500 Nickel 3 mgkg 13 8 2000 20 420 2000 Selenium 24 mgkg ND ND 100 10 36 Silver 3 mgkg ND ND 500 50 Thallium 10 mgkg ND ND 700 70 Vanadium 14 mgkg 108 69 2400 24 Zinc 4 mgkg 273 174 5000 250 2800 Fluoride NA mgkg NA NA 18000 180 Sulfides-Reactive mgkg NA NA NA Sulfides-Total mgkg NA NA NA Total Solids NA Wt 638 NA Total Volatile Solids NA Wt 253 pH NA pH Units 673 gt2 - lt 12 ===================== ==== ======== =========== =========== =========== =========== =========== =========== ===========

ORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt

Constituent MDL Units mgKg mgKg mgKg mgL mgL ================= ======== ===== =========== =========== =========== =========== =========== Aldrin 000002 mgKg ND ND 14 014 Chlordanes 0000014 mgKg ND ND 25 025 DDT DDE DDD 000004 mgKg 001080 000689 10 010 24-D 34 mgKg ND ND 100 10 Dieldrin 000002 mgKg ND ND 80 08 Endrin 000003 mgKg ND ND 02 002 Heptachlor 0000003 mgKg ND ND 47 047 Kepone NA mgKg NA ND 21 2 Lindane 000001 mgKg ND ND 40 04 Methoxychlor NA mgKg ND ND 100 10 Mirex 000002 mgKg ND ND 21 2 Pentachlorophenol 08 mgKg ND ND 17 17 PCBs (Arochlors) NA mgKg ND ND 50 50 Toxaphene 000024 mgKg ND ND 5 05 Trichloroethene 00253 mgKg ND ND 2040 204 245-TP 44 mgKg ND ND 10 1 ================= ======== ===== =========== =========== =========== =========== =========== ND= not detected NA = not analyzed = not reportable failed QC criteria

TTLC = Total Threshold Limit Concentration STLC = Soluble Threshold Limit Concentration WET = Waste Extraction Technique = The total concentration is less than 10 times the STLC Therefore by definition

this substance is present in concentrations that are less than the limits for hazardous wastes = Limits are in mgKg (dry weight) based on 40 CFR part 50313 Table 3 Limits for Land Application = The California State Health and Safety Code 251578 established lower a limit for Lead NA = Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required MDL = Method Detection Limit (are in mgKg per dry weight except for pH and Total and Volatile Solids) MBCDEWCN = Metro Biosolids Center Dewatered Centrifuged Sludge TTLC = Total Threshold Limit Concentration

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3173

POINT LOMA WASTEWATER TREATMENT PLANT QUARTERLY GRIT COMPOSITES Inorganics and Organics

From 01-JAN-2002 to 31-DEC-2002

GRIT COMP 14-OCT-2002

Analyte MDL Units P190180 ============================== ====== ===== ============ Aluminum 5 MGKG 3020 Antimony 5 MGKG 110 Arsenic 33 MGKG 287 Barium 042 MGKG 794 Beryllium 2 MGKG ND Cadmium 5 MGKG 08 Chromium 3 MGKG 26 Cobalt 8 MGKG ND Copper 2 MGKG 221 Iron 3 MGKG 12900 Lead 5 MGKG 8 Manganese 48 MGKG 151 Mercury 003 MGKG 014 Molybdenum 6 MGKG 32 Nickel 3 MGKG 13 Selenium 24 MGKG lt024 Silver 3 MGKG ND Thallium 10 MGKG ND Vanadium 14 MGKG 108 Zinc 4 MGKG 273 Fluoride MGKG NA Sulfides-Reactive MGKG NA Sulfides-Total MGKG NA pH PH 673 Total Solids 24 WT 638 Total Volatile Solids 11 WT 253 Aldrin 8000 MGKG ND 24-dichlorophenoxyacetic acid 684 MGKG ND Dieldrin 16000 MGKG ND Endrin 8000 MGKG ND Heptachlor 6000 MGKG ND Kepone MGKG NA BHC Gamma isomer 2000 MGKG ND Methoxychlor 71000 MGKG ND Pentachlorophenol 5850 MGKG ND Toxaphene 130000 MGKG ND Trichloroethene MGKG NA 245-TP (Silvex) 633 MGKG ND CyanidesTotal MGKG NA

NA= Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3174

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

G Facilities Out-of-service report (2002) Facilities that were out of service In 2002 by date

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 9 0101 0919 Contractor workpreventive

maintenance Sed Basin 10 0101 1219 Contractor workpreventive

maintenance Sed Basin 11 0101 0106 Poor removals Sed Basin 12 0101 1231 Contractor work Influent Screen 5 0101 0118 Maintenance SEOC 0103 0608 Contractor Sed Basin 7 0107 0222 Broken Flights Influent Screen 2 0118 0128 Maintenance Influent Screen 4 0128 0129 Maintenance Sed Basin 11 0128 1231 Contractor work Influent Screen 2 0129 0327 Maintenance East Influent Channel 0201 0605 Grit Scouring Sed Basin 1 0315 0319 Water line repair Influent Screen 3 0328 0521 Repair Sed Basin 3 0402 0403 Polymer line repair N1 Grit Basin 0507 0507 Line repair N2 Grit Basin 0512 0513 Line repair Influent Screen 1 0521 1002 Maintenance West Influent Channel

0605 0709 Grit scouring

C2 Grit Basin 0614 0614 Weld grit hopper East Influent Channel 0709 0828 Grit scouring Sed Basin 8 0718 0725 Object Retrieval N2 Grit Basin 0731 0731 Line repair West Influent Channel

0828 0925 Grit scouring

N2 Grit Basin 0902 0902 Line repair N1 Grit Basin 0903 0904 Line repair and equipment check N2 Grit Basin 0903 0904 Line repair and equipment check C1 Grit Basin 0903 0904 Line repair and equipment check C2 Grit Basin 0903 0904 Line repair and equipment check Sed Basin 1 0920 0924 Scum weir repair East Influent Channel 0925 1024 Grit scouring Sed Basin 6 0924 1005 Preventive Maintenance and scum

repair SEOC 1001 1001 Contractor Work Sed Basin 9 1005 1010 No raw sludge pumps available Sed Basin 6 1010 1219 Broken flights and scum repair West Influent Channel

1024 1127 Grit scouring

N2 Grit Basin 1125 1125 Line repair East Influent Channel 1127 1219 Grit Scouring N2 Grit Basin 1209 1211 Line repair Sed Basin 5 1219 1231 Preventive Maintenance and scum

repair West Influent Channel

1219 1231 Grit Scouring

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3168

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 8 1219 1231 Flight and scum trough repair

GRIT CHAMBERS N1 57 93-94 N2 512-513 92 93-94 1125 129-1211

C1 93-94 C2 614 93-94 S1 101-1231 S2 101-1231

CHANNELS

BASINS

EAST 21-65 79-828 925-1024 1127-1219

WEST 65-79 828-925 1024-1127 1219-1231

1 315-319 920-924 2 3 42-43

4 5 1219-1231 6 924-105 1010-1219 7 17-222 8 718-725 1219-1231 9 11-919 105-1010 10 11-1219 11 11-16 128-1231 12 11-1231

NORTH EFFLUENT SCREENS 11-13 SOUTH EFFLUENT SCREENS 13-68 101 INFLUENT SCREEN 1 521-102 INFLUENT SCREEN 2 118-128 129-327 INFLUENT SCREEN 3 328-521 INFLUENT SCREEN 4 128-129 INFLUENT SCREEN 5 11-118

DIGESTERS N1P N2P C1P 0101-1231 C2P 0101-1231 S1P S2P Dig 7 Dig 8 0101-0218 (New construction)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3169

SHUTDOWNS DATE FROM TO REASON

0105 0200 0430 Pump Station 2 work 0126 0200 0500 Build bulkhead in channel 0127 0200 0615 Build bulkhead in channel 0128 0200 0615 Build bulkhead in channel 0427 0130 0545 Pump Station 2 work 0829 0200 0600 Pump Station 2 work 0830 0200 0600 Pump Station 2 work 1005 0100 0515 Pump Station 2 work 1006 0100 0545 Pump Station 2 work 1115 0100 0430 Pump Station 2 work 1213 0100 555 Pump Station 2 work

1214 0055 0515 Pump Station 2 work

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3170

H Grit Analyses The following are reports of the analyses of grit samples taken from the Pt Loma WWTP headworks (grit removal chambers) in 2002 Reports include Title 22 analyses and Total Solids Although everywhere else in this report PLR refers to Point Loma WWTP raw Influent sewage in this section it refers to the grit removed from the grit chambers at the headworks building at the influent end of the plant Samples from the grit bins are taken daily for 7-8 consecutive days and composited together to form the annual sample

Point Loma Wastewater Treatment Plant Total Solids - Grit and Rags 2002 (WT)

Grit Monthly Averages

Rags Monthly Averages

JAN 496 JAN 449 FEB 470 FEB 416 MAR 494 MAR 450 APR 562 APR 436 MAY 624 MAY 480 JUN 532 JUN 446 JUL 540 JUL 415 AUG 568 AUG 422 SEP 519 SEP 490 OCT 628 OCT 420 NOV 568 NOV 485 DEC 558 DEC 373 AVG 547 AVG 440

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3171

Point Loma Wastewater Treatment Plant 2002 Grit Total Solids (WT) at Point Loma

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day WT WT WT WT WT WT WT WT WT WT WT WT

1 490 517 396 474 697 452 551 475 448 525 710 541 2 420 489 501 464 647 458 490 512 461 447 659 685 3 490 468 453 461 692 553 482 526 495 506 561 570 4 428 411 453 449 631 418 475 563 520 665 692 523 5 463 469 495 427 630 502 451 517 532 523 695 588 6 454 427 477 458 613 519 454 517 505 662 683 516 7 477 461 527 421 483 422 539 492 488 510 545 568 8 424 507 630 461 720 604 569 502 568 418 526 557 9 466 522 605 535 630 389 688 564 549 494 536 480

10 395 456 476 414 622 487 552 668 639 673 566 11 441 446 432 548 615 513 469 753 440 586 460 12 434 439 409 664 439 504 593 662 512 768 651 501 13 585 451 409 600 642 688 672 499 789 656 492 14 525 464 500 595 680 566 726 502 517 601 592 15 524 441 442 493 444 652 572 495 663 528 424 16 418 475 470 600 670 679 543 665 481 501 17 498 570 565 709 632 697 527 509 518 532 18 487 503 436 654 663 709 626 518 717 681 518 19 436 453 482 464 658 468 556 736 465 784 20 506 418 521 571 605 538 634 573 650 501 608 21 484 425 474 528 660 487 554 494 494 683 515 509 22 547 479 474 636 552 524 493 702 533 542 23 592 503 554 631 695 452 560 509 685 565 568 24 456 490 524 526 499 489 561 620 818 474 501 25 552 405 460 696 632 588 487 582 434 627 535 443 26 631 535 539 601 548 516 514 762 554 355 27 516 459 564 655 671 551 555 506 492 530 616 701 28 547 486 452 768 551 521 493 623 523 567 735 29 595 478 652 470 569 555 490 701 458 518 30 485 606 706 731 483 580 532 521 637 384 680 31 598 509 485 556 495 722 760

Avg 496 470 494 562 624 532 540 568 519 628 568 558 Min 395 405 396 414 439 389 451 475 434 418 384 355 Max 631 570 630 768 731 688 709 753 639 818 710 784

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3172

Title 22 reports for Grit POINT LOMA WASTEWATER TREATMENT PLANT

CALIFORNIA HAZARDOUS WASTE IDENTIFICATION TESTS (Title 22) Point Loma Quarterly Grit Composite

From 01-OCT-2002 to 31-DEC-2002 Sampled by Point Loma Operations Analyzed by BOAG8CJRFJZIIENLXPDXSJRVTSBHHBKODEVL Source PLR Sample ID P190180 Sample Date 14-OCT-2002

CA Healthamp INORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit 40 CFR 503 Safety Code

Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt Limits Limits Constituent MDL Units mgKg mgKg mgKg mgL mgL mgKg mgK g ===================== ==== ======== =========== =========== =========== =========== =========== =========== ============= Antimony 5 mgkg 11 7 500 15 Arsenic 33 mgkg 29 19 500 50 41 Barium 042 mgkg 79 50 10000 100 Beryllium 2 mgkg ND ND 75 075 Cadmium 5 mgkg 08 05 100 10 39 Chromium (VI) NA mgkg NA NA 500 50 Chromium 3 mgkg 26 17 2500 560 1200 Cobalt 8 mgkg ND ND 8000 80 Copper 2 mgkg 221 141 2500 25 1500 2500 Lead 5 mgkg 8 5 1000 50 300 350 Mercury 003 mgkg 01 01 20 02 17 Molybdenum 6 mgkg 3 19 3500 3500 Nickel 3 mgkg 13 8 2000 20 420 2000 Selenium 24 mgkg ND ND 100 10 36 Silver 3 mgkg ND ND 500 50 Thallium 10 mgkg ND ND 700 70 Vanadium 14 mgkg 108 69 2400 24 Zinc 4 mgkg 273 174 5000 250 2800 Fluoride NA mgkg NA NA 18000 180 Sulfides-Reactive mgkg NA NA NA Sulfides-Total mgkg NA NA NA Total Solids NA Wt 638 NA Total Volatile Solids NA Wt 253 pH NA pH Units 673 gt2 - lt 12 ===================== ==== ======== =========== =========== =========== =========== =========== =========== ===========

ORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt

Constituent MDL Units mgKg mgKg mgKg mgL mgL ================= ======== ===== =========== =========== =========== =========== =========== Aldrin 000002 mgKg ND ND 14 014 Chlordanes 0000014 mgKg ND ND 25 025 DDT DDE DDD 000004 mgKg 001080 000689 10 010 24-D 34 mgKg ND ND 100 10 Dieldrin 000002 mgKg ND ND 80 08 Endrin 000003 mgKg ND ND 02 002 Heptachlor 0000003 mgKg ND ND 47 047 Kepone NA mgKg NA ND 21 2 Lindane 000001 mgKg ND ND 40 04 Methoxychlor NA mgKg ND ND 100 10 Mirex 000002 mgKg ND ND 21 2 Pentachlorophenol 08 mgKg ND ND 17 17 PCBs (Arochlors) NA mgKg ND ND 50 50 Toxaphene 000024 mgKg ND ND 5 05 Trichloroethene 00253 mgKg ND ND 2040 204 245-TP 44 mgKg ND ND 10 1 ================= ======== ===== =========== =========== =========== =========== =========== ND= not detected NA = not analyzed = not reportable failed QC criteria

TTLC = Total Threshold Limit Concentration STLC = Soluble Threshold Limit Concentration WET = Waste Extraction Technique = The total concentration is less than 10 times the STLC Therefore by definition

this substance is present in concentrations that are less than the limits for hazardous wastes = Limits are in mgKg (dry weight) based on 40 CFR part 50313 Table 3 Limits for Land Application = The California State Health and Safety Code 251578 established lower a limit for Lead NA = Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required MDL = Method Detection Limit (are in mgKg per dry weight except for pH and Total and Volatile Solids) MBCDEWCN = Metro Biosolids Center Dewatered Centrifuged Sludge TTLC = Total Threshold Limit Concentration

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3173

POINT LOMA WASTEWATER TREATMENT PLANT QUARTERLY GRIT COMPOSITES Inorganics and Organics

From 01-JAN-2002 to 31-DEC-2002

GRIT COMP 14-OCT-2002

Analyte MDL Units P190180 ============================== ====== ===== ============ Aluminum 5 MGKG 3020 Antimony 5 MGKG 110 Arsenic 33 MGKG 287 Barium 042 MGKG 794 Beryllium 2 MGKG ND Cadmium 5 MGKG 08 Chromium 3 MGKG 26 Cobalt 8 MGKG ND Copper 2 MGKG 221 Iron 3 MGKG 12900 Lead 5 MGKG 8 Manganese 48 MGKG 151 Mercury 003 MGKG 014 Molybdenum 6 MGKG 32 Nickel 3 MGKG 13 Selenium 24 MGKG lt024 Silver 3 MGKG ND Thallium 10 MGKG ND Vanadium 14 MGKG 108 Zinc 4 MGKG 273 Fluoride MGKG NA Sulfides-Reactive MGKG NA Sulfides-Total MGKG NA pH PH 673 Total Solids 24 WT 638 Total Volatile Solids 11 WT 253 Aldrin 8000 MGKG ND 24-dichlorophenoxyacetic acid 684 MGKG ND Dieldrin 16000 MGKG ND Endrin 8000 MGKG ND Heptachlor 6000 MGKG ND Kepone MGKG NA BHC Gamma isomer 2000 MGKG ND Methoxychlor 71000 MGKG ND Pentachlorophenol 5850 MGKG ND Toxaphene 130000 MGKG ND Trichloroethene MGKG NA 245-TP (Silvex) 633 MGKG ND CyanidesTotal MGKG NA

NA= Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3174

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

FACILITY OOS From To Reason C1P Digester 0101 1231 Contractor rehabilitation C2P Digester 0101 1231 Contractor rehabilitation NEOC 0101 0103 Standard Operating Procedure Sed Basin 8 1219 1231 Flight and scum trough repair

GRIT CHAMBERS N1 57 93-94 N2 512-513 92 93-94 1125 129-1211

C1 93-94 C2 614 93-94 S1 101-1231 S2 101-1231

CHANNELS

BASINS

EAST 21-65 79-828 925-1024 1127-1219

WEST 65-79 828-925 1024-1127 1219-1231

1 315-319 920-924 2 3 42-43

4 5 1219-1231 6 924-105 1010-1219 7 17-222 8 718-725 1219-1231 9 11-919 105-1010 10 11-1219 11 11-16 128-1231 12 11-1231

NORTH EFFLUENT SCREENS 11-13 SOUTH EFFLUENT SCREENS 13-68 101 INFLUENT SCREEN 1 521-102 INFLUENT SCREEN 2 118-128 129-327 INFLUENT SCREEN 3 328-521 INFLUENT SCREEN 4 128-129 INFLUENT SCREEN 5 11-118

DIGESTERS N1P N2P C1P 0101-1231 C2P 0101-1231 S1P S2P Dig 7 Dig 8 0101-0218 (New construction)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3169

SHUTDOWNS DATE FROM TO REASON

0105 0200 0430 Pump Station 2 work 0126 0200 0500 Build bulkhead in channel 0127 0200 0615 Build bulkhead in channel 0128 0200 0615 Build bulkhead in channel 0427 0130 0545 Pump Station 2 work 0829 0200 0600 Pump Station 2 work 0830 0200 0600 Pump Station 2 work 1005 0100 0515 Pump Station 2 work 1006 0100 0545 Pump Station 2 work 1115 0100 0430 Pump Station 2 work 1213 0100 555 Pump Station 2 work

1214 0055 0515 Pump Station 2 work

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3170

H Grit Analyses The following are reports of the analyses of grit samples taken from the Pt Loma WWTP headworks (grit removal chambers) in 2002 Reports include Title 22 analyses and Total Solids Although everywhere else in this report PLR refers to Point Loma WWTP raw Influent sewage in this section it refers to the grit removed from the grit chambers at the headworks building at the influent end of the plant Samples from the grit bins are taken daily for 7-8 consecutive days and composited together to form the annual sample

Point Loma Wastewater Treatment Plant Total Solids - Grit and Rags 2002 (WT)

Grit Monthly Averages

Rags Monthly Averages

JAN 496 JAN 449 FEB 470 FEB 416 MAR 494 MAR 450 APR 562 APR 436 MAY 624 MAY 480 JUN 532 JUN 446 JUL 540 JUL 415 AUG 568 AUG 422 SEP 519 SEP 490 OCT 628 OCT 420 NOV 568 NOV 485 DEC 558 DEC 373 AVG 547 AVG 440

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3171

Point Loma Wastewater Treatment Plant 2002 Grit Total Solids (WT) at Point Loma

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day WT WT WT WT WT WT WT WT WT WT WT WT

1 490 517 396 474 697 452 551 475 448 525 710 541 2 420 489 501 464 647 458 490 512 461 447 659 685 3 490 468 453 461 692 553 482 526 495 506 561 570 4 428 411 453 449 631 418 475 563 520 665 692 523 5 463 469 495 427 630 502 451 517 532 523 695 588 6 454 427 477 458 613 519 454 517 505 662 683 516 7 477 461 527 421 483 422 539 492 488 510 545 568 8 424 507 630 461 720 604 569 502 568 418 526 557 9 466 522 605 535 630 389 688 564 549 494 536 480

10 395 456 476 414 622 487 552 668 639 673 566 11 441 446 432 548 615 513 469 753 440 586 460 12 434 439 409 664 439 504 593 662 512 768 651 501 13 585 451 409 600 642 688 672 499 789 656 492 14 525 464 500 595 680 566 726 502 517 601 592 15 524 441 442 493 444 652 572 495 663 528 424 16 418 475 470 600 670 679 543 665 481 501 17 498 570 565 709 632 697 527 509 518 532 18 487 503 436 654 663 709 626 518 717 681 518 19 436 453 482 464 658 468 556 736 465 784 20 506 418 521 571 605 538 634 573 650 501 608 21 484 425 474 528 660 487 554 494 494 683 515 509 22 547 479 474 636 552 524 493 702 533 542 23 592 503 554 631 695 452 560 509 685 565 568 24 456 490 524 526 499 489 561 620 818 474 501 25 552 405 460 696 632 588 487 582 434 627 535 443 26 631 535 539 601 548 516 514 762 554 355 27 516 459 564 655 671 551 555 506 492 530 616 701 28 547 486 452 768 551 521 493 623 523 567 735 29 595 478 652 470 569 555 490 701 458 518 30 485 606 706 731 483 580 532 521 637 384 680 31 598 509 485 556 495 722 760

Avg 496 470 494 562 624 532 540 568 519 628 568 558 Min 395 405 396 414 439 389 451 475 434 418 384 355 Max 631 570 630 768 731 688 709 753 639 818 710 784

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3172

Title 22 reports for Grit POINT LOMA WASTEWATER TREATMENT PLANT

CALIFORNIA HAZARDOUS WASTE IDENTIFICATION TESTS (Title 22) Point Loma Quarterly Grit Composite

From 01-OCT-2002 to 31-DEC-2002 Sampled by Point Loma Operations Analyzed by BOAG8CJRFJZIIENLXPDXSJRVTSBHHBKODEVL Source PLR Sample ID P190180 Sample Date 14-OCT-2002

CA Healthamp INORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit 40 CFR 503 Safety Code

Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt Limits Limits Constituent MDL Units mgKg mgKg mgKg mgL mgL mgKg mgK g ===================== ==== ======== =========== =========== =========== =========== =========== =========== ============= Antimony 5 mgkg 11 7 500 15 Arsenic 33 mgkg 29 19 500 50 41 Barium 042 mgkg 79 50 10000 100 Beryllium 2 mgkg ND ND 75 075 Cadmium 5 mgkg 08 05 100 10 39 Chromium (VI) NA mgkg NA NA 500 50 Chromium 3 mgkg 26 17 2500 560 1200 Cobalt 8 mgkg ND ND 8000 80 Copper 2 mgkg 221 141 2500 25 1500 2500 Lead 5 mgkg 8 5 1000 50 300 350 Mercury 003 mgkg 01 01 20 02 17 Molybdenum 6 mgkg 3 19 3500 3500 Nickel 3 mgkg 13 8 2000 20 420 2000 Selenium 24 mgkg ND ND 100 10 36 Silver 3 mgkg ND ND 500 50 Thallium 10 mgkg ND ND 700 70 Vanadium 14 mgkg 108 69 2400 24 Zinc 4 mgkg 273 174 5000 250 2800 Fluoride NA mgkg NA NA 18000 180 Sulfides-Reactive mgkg NA NA NA Sulfides-Total mgkg NA NA NA Total Solids NA Wt 638 NA Total Volatile Solids NA Wt 253 pH NA pH Units 673 gt2 - lt 12 ===================== ==== ======== =========== =========== =========== =========== =========== =========== ===========

ORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt

Constituent MDL Units mgKg mgKg mgKg mgL mgL ================= ======== ===== =========== =========== =========== =========== =========== Aldrin 000002 mgKg ND ND 14 014 Chlordanes 0000014 mgKg ND ND 25 025 DDT DDE DDD 000004 mgKg 001080 000689 10 010 24-D 34 mgKg ND ND 100 10 Dieldrin 000002 mgKg ND ND 80 08 Endrin 000003 mgKg ND ND 02 002 Heptachlor 0000003 mgKg ND ND 47 047 Kepone NA mgKg NA ND 21 2 Lindane 000001 mgKg ND ND 40 04 Methoxychlor NA mgKg ND ND 100 10 Mirex 000002 mgKg ND ND 21 2 Pentachlorophenol 08 mgKg ND ND 17 17 PCBs (Arochlors) NA mgKg ND ND 50 50 Toxaphene 000024 mgKg ND ND 5 05 Trichloroethene 00253 mgKg ND ND 2040 204 245-TP 44 mgKg ND ND 10 1 ================= ======== ===== =========== =========== =========== =========== =========== ND= not detected NA = not analyzed = not reportable failed QC criteria

TTLC = Total Threshold Limit Concentration STLC = Soluble Threshold Limit Concentration WET = Waste Extraction Technique = The total concentration is less than 10 times the STLC Therefore by definition

this substance is present in concentrations that are less than the limits for hazardous wastes = Limits are in mgKg (dry weight) based on 40 CFR part 50313 Table 3 Limits for Land Application = The California State Health and Safety Code 251578 established lower a limit for Lead NA = Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required MDL = Method Detection Limit (are in mgKg per dry weight except for pH and Total and Volatile Solids) MBCDEWCN = Metro Biosolids Center Dewatered Centrifuged Sludge TTLC = Total Threshold Limit Concentration

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3173

POINT LOMA WASTEWATER TREATMENT PLANT QUARTERLY GRIT COMPOSITES Inorganics and Organics

From 01-JAN-2002 to 31-DEC-2002

GRIT COMP 14-OCT-2002

Analyte MDL Units P190180 ============================== ====== ===== ============ Aluminum 5 MGKG 3020 Antimony 5 MGKG 110 Arsenic 33 MGKG 287 Barium 042 MGKG 794 Beryllium 2 MGKG ND Cadmium 5 MGKG 08 Chromium 3 MGKG 26 Cobalt 8 MGKG ND Copper 2 MGKG 221 Iron 3 MGKG 12900 Lead 5 MGKG 8 Manganese 48 MGKG 151 Mercury 003 MGKG 014 Molybdenum 6 MGKG 32 Nickel 3 MGKG 13 Selenium 24 MGKG lt024 Silver 3 MGKG ND Thallium 10 MGKG ND Vanadium 14 MGKG 108 Zinc 4 MGKG 273 Fluoride MGKG NA Sulfides-Reactive MGKG NA Sulfides-Total MGKG NA pH PH 673 Total Solids 24 WT 638 Total Volatile Solids 11 WT 253 Aldrin 8000 MGKG ND 24-dichlorophenoxyacetic acid 684 MGKG ND Dieldrin 16000 MGKG ND Endrin 8000 MGKG ND Heptachlor 6000 MGKG ND Kepone MGKG NA BHC Gamma isomer 2000 MGKG ND Methoxychlor 71000 MGKG ND Pentachlorophenol 5850 MGKG ND Toxaphene 130000 MGKG ND Trichloroethene MGKG NA 245-TP (Silvex) 633 MGKG ND CyanidesTotal MGKG NA

NA= Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3174

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

SHUTDOWNS DATE FROM TO REASON

0105 0200 0430 Pump Station 2 work 0126 0200 0500 Build bulkhead in channel 0127 0200 0615 Build bulkhead in channel 0128 0200 0615 Build bulkhead in channel 0427 0130 0545 Pump Station 2 work 0829 0200 0600 Pump Station 2 work 0830 0200 0600 Pump Station 2 work 1005 0100 0515 Pump Station 2 work 1006 0100 0545 Pump Station 2 work 1115 0100 0430 Pump Station 2 work 1213 0100 555 Pump Station 2 work

1214 0055 0515 Pump Station 2 work

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3170

H Grit Analyses The following are reports of the analyses of grit samples taken from the Pt Loma WWTP headworks (grit removal chambers) in 2002 Reports include Title 22 analyses and Total Solids Although everywhere else in this report PLR refers to Point Loma WWTP raw Influent sewage in this section it refers to the grit removed from the grit chambers at the headworks building at the influent end of the plant Samples from the grit bins are taken daily for 7-8 consecutive days and composited together to form the annual sample

Point Loma Wastewater Treatment Plant Total Solids - Grit and Rags 2002 (WT)

Grit Monthly Averages

Rags Monthly Averages

JAN 496 JAN 449 FEB 470 FEB 416 MAR 494 MAR 450 APR 562 APR 436 MAY 624 MAY 480 JUN 532 JUN 446 JUL 540 JUL 415 AUG 568 AUG 422 SEP 519 SEP 490 OCT 628 OCT 420 NOV 568 NOV 485 DEC 558 DEC 373 AVG 547 AVG 440

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3171

Point Loma Wastewater Treatment Plant 2002 Grit Total Solids (WT) at Point Loma

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day WT WT WT WT WT WT WT WT WT WT WT WT

1 490 517 396 474 697 452 551 475 448 525 710 541 2 420 489 501 464 647 458 490 512 461 447 659 685 3 490 468 453 461 692 553 482 526 495 506 561 570 4 428 411 453 449 631 418 475 563 520 665 692 523 5 463 469 495 427 630 502 451 517 532 523 695 588 6 454 427 477 458 613 519 454 517 505 662 683 516 7 477 461 527 421 483 422 539 492 488 510 545 568 8 424 507 630 461 720 604 569 502 568 418 526 557 9 466 522 605 535 630 389 688 564 549 494 536 480

10 395 456 476 414 622 487 552 668 639 673 566 11 441 446 432 548 615 513 469 753 440 586 460 12 434 439 409 664 439 504 593 662 512 768 651 501 13 585 451 409 600 642 688 672 499 789 656 492 14 525 464 500 595 680 566 726 502 517 601 592 15 524 441 442 493 444 652 572 495 663 528 424 16 418 475 470 600 670 679 543 665 481 501 17 498 570 565 709 632 697 527 509 518 532 18 487 503 436 654 663 709 626 518 717 681 518 19 436 453 482 464 658 468 556 736 465 784 20 506 418 521 571 605 538 634 573 650 501 608 21 484 425 474 528 660 487 554 494 494 683 515 509 22 547 479 474 636 552 524 493 702 533 542 23 592 503 554 631 695 452 560 509 685 565 568 24 456 490 524 526 499 489 561 620 818 474 501 25 552 405 460 696 632 588 487 582 434 627 535 443 26 631 535 539 601 548 516 514 762 554 355 27 516 459 564 655 671 551 555 506 492 530 616 701 28 547 486 452 768 551 521 493 623 523 567 735 29 595 478 652 470 569 555 490 701 458 518 30 485 606 706 731 483 580 532 521 637 384 680 31 598 509 485 556 495 722 760

Avg 496 470 494 562 624 532 540 568 519 628 568 558 Min 395 405 396 414 439 389 451 475 434 418 384 355 Max 631 570 630 768 731 688 709 753 639 818 710 784

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3172

Title 22 reports for Grit POINT LOMA WASTEWATER TREATMENT PLANT

CALIFORNIA HAZARDOUS WASTE IDENTIFICATION TESTS (Title 22) Point Loma Quarterly Grit Composite

From 01-OCT-2002 to 31-DEC-2002 Sampled by Point Loma Operations Analyzed by BOAG8CJRFJZIIENLXPDXSJRVTSBHHBKODEVL Source PLR Sample ID P190180 Sample Date 14-OCT-2002

CA Healthamp INORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit 40 CFR 503 Safety Code

Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt Limits Limits Constituent MDL Units mgKg mgKg mgKg mgL mgL mgKg mgK g ===================== ==== ======== =========== =========== =========== =========== =========== =========== ============= Antimony 5 mgkg 11 7 500 15 Arsenic 33 mgkg 29 19 500 50 41 Barium 042 mgkg 79 50 10000 100 Beryllium 2 mgkg ND ND 75 075 Cadmium 5 mgkg 08 05 100 10 39 Chromium (VI) NA mgkg NA NA 500 50 Chromium 3 mgkg 26 17 2500 560 1200 Cobalt 8 mgkg ND ND 8000 80 Copper 2 mgkg 221 141 2500 25 1500 2500 Lead 5 mgkg 8 5 1000 50 300 350 Mercury 003 mgkg 01 01 20 02 17 Molybdenum 6 mgkg 3 19 3500 3500 Nickel 3 mgkg 13 8 2000 20 420 2000 Selenium 24 mgkg ND ND 100 10 36 Silver 3 mgkg ND ND 500 50 Thallium 10 mgkg ND ND 700 70 Vanadium 14 mgkg 108 69 2400 24 Zinc 4 mgkg 273 174 5000 250 2800 Fluoride NA mgkg NA NA 18000 180 Sulfides-Reactive mgkg NA NA NA Sulfides-Total mgkg NA NA NA Total Solids NA Wt 638 NA Total Volatile Solids NA Wt 253 pH NA pH Units 673 gt2 - lt 12 ===================== ==== ======== =========== =========== =========== =========== =========== =========== ===========

ORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt

Constituent MDL Units mgKg mgKg mgKg mgL mgL ================= ======== ===== =========== =========== =========== =========== =========== Aldrin 000002 mgKg ND ND 14 014 Chlordanes 0000014 mgKg ND ND 25 025 DDT DDE DDD 000004 mgKg 001080 000689 10 010 24-D 34 mgKg ND ND 100 10 Dieldrin 000002 mgKg ND ND 80 08 Endrin 000003 mgKg ND ND 02 002 Heptachlor 0000003 mgKg ND ND 47 047 Kepone NA mgKg NA ND 21 2 Lindane 000001 mgKg ND ND 40 04 Methoxychlor NA mgKg ND ND 100 10 Mirex 000002 mgKg ND ND 21 2 Pentachlorophenol 08 mgKg ND ND 17 17 PCBs (Arochlors) NA mgKg ND ND 50 50 Toxaphene 000024 mgKg ND ND 5 05 Trichloroethene 00253 mgKg ND ND 2040 204 245-TP 44 mgKg ND ND 10 1 ================= ======== ===== =========== =========== =========== =========== =========== ND= not detected NA = not analyzed = not reportable failed QC criteria

TTLC = Total Threshold Limit Concentration STLC = Soluble Threshold Limit Concentration WET = Waste Extraction Technique = The total concentration is less than 10 times the STLC Therefore by definition

this substance is present in concentrations that are less than the limits for hazardous wastes = Limits are in mgKg (dry weight) based on 40 CFR part 50313 Table 3 Limits for Land Application = The California State Health and Safety Code 251578 established lower a limit for Lead NA = Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required MDL = Method Detection Limit (are in mgKg per dry weight except for pH and Total and Volatile Solids) MBCDEWCN = Metro Biosolids Center Dewatered Centrifuged Sludge TTLC = Total Threshold Limit Concentration

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3173

POINT LOMA WASTEWATER TREATMENT PLANT QUARTERLY GRIT COMPOSITES Inorganics and Organics

From 01-JAN-2002 to 31-DEC-2002

GRIT COMP 14-OCT-2002

Analyte MDL Units P190180 ============================== ====== ===== ============ Aluminum 5 MGKG 3020 Antimony 5 MGKG 110 Arsenic 33 MGKG 287 Barium 042 MGKG 794 Beryllium 2 MGKG ND Cadmium 5 MGKG 08 Chromium 3 MGKG 26 Cobalt 8 MGKG ND Copper 2 MGKG 221 Iron 3 MGKG 12900 Lead 5 MGKG 8 Manganese 48 MGKG 151 Mercury 003 MGKG 014 Molybdenum 6 MGKG 32 Nickel 3 MGKG 13 Selenium 24 MGKG lt024 Silver 3 MGKG ND Thallium 10 MGKG ND Vanadium 14 MGKG 108 Zinc 4 MGKG 273 Fluoride MGKG NA Sulfides-Reactive MGKG NA Sulfides-Total MGKG NA pH PH 673 Total Solids 24 WT 638 Total Volatile Solids 11 WT 253 Aldrin 8000 MGKG ND 24-dichlorophenoxyacetic acid 684 MGKG ND Dieldrin 16000 MGKG ND Endrin 8000 MGKG ND Heptachlor 6000 MGKG ND Kepone MGKG NA BHC Gamma isomer 2000 MGKG ND Methoxychlor 71000 MGKG ND Pentachlorophenol 5850 MGKG ND Toxaphene 130000 MGKG ND Trichloroethene MGKG NA 245-TP (Silvex) 633 MGKG ND CyanidesTotal MGKG NA

NA= Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3174

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

H Grit Analyses The following are reports of the analyses of grit samples taken from the Pt Loma WWTP headworks (grit removal chambers) in 2002 Reports include Title 22 analyses and Total Solids Although everywhere else in this report PLR refers to Point Loma WWTP raw Influent sewage in this section it refers to the grit removed from the grit chambers at the headworks building at the influent end of the plant Samples from the grit bins are taken daily for 7-8 consecutive days and composited together to form the annual sample

Point Loma Wastewater Treatment Plant Total Solids - Grit and Rags 2002 (WT)

Grit Monthly Averages

Rags Monthly Averages

JAN 496 JAN 449 FEB 470 FEB 416 MAR 494 MAR 450 APR 562 APR 436 MAY 624 MAY 480 JUN 532 JUN 446 JUL 540 JUL 415 AUG 568 AUG 422 SEP 519 SEP 490 OCT 628 OCT 420 NOV 568 NOV 485 DEC 558 DEC 373 AVG 547 AVG 440

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3171

Point Loma Wastewater Treatment Plant 2002 Grit Total Solids (WT) at Point Loma

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day WT WT WT WT WT WT WT WT WT WT WT WT

1 490 517 396 474 697 452 551 475 448 525 710 541 2 420 489 501 464 647 458 490 512 461 447 659 685 3 490 468 453 461 692 553 482 526 495 506 561 570 4 428 411 453 449 631 418 475 563 520 665 692 523 5 463 469 495 427 630 502 451 517 532 523 695 588 6 454 427 477 458 613 519 454 517 505 662 683 516 7 477 461 527 421 483 422 539 492 488 510 545 568 8 424 507 630 461 720 604 569 502 568 418 526 557 9 466 522 605 535 630 389 688 564 549 494 536 480

10 395 456 476 414 622 487 552 668 639 673 566 11 441 446 432 548 615 513 469 753 440 586 460 12 434 439 409 664 439 504 593 662 512 768 651 501 13 585 451 409 600 642 688 672 499 789 656 492 14 525 464 500 595 680 566 726 502 517 601 592 15 524 441 442 493 444 652 572 495 663 528 424 16 418 475 470 600 670 679 543 665 481 501 17 498 570 565 709 632 697 527 509 518 532 18 487 503 436 654 663 709 626 518 717 681 518 19 436 453 482 464 658 468 556 736 465 784 20 506 418 521 571 605 538 634 573 650 501 608 21 484 425 474 528 660 487 554 494 494 683 515 509 22 547 479 474 636 552 524 493 702 533 542 23 592 503 554 631 695 452 560 509 685 565 568 24 456 490 524 526 499 489 561 620 818 474 501 25 552 405 460 696 632 588 487 582 434 627 535 443 26 631 535 539 601 548 516 514 762 554 355 27 516 459 564 655 671 551 555 506 492 530 616 701 28 547 486 452 768 551 521 493 623 523 567 735 29 595 478 652 470 569 555 490 701 458 518 30 485 606 706 731 483 580 532 521 637 384 680 31 598 509 485 556 495 722 760

Avg 496 470 494 562 624 532 540 568 519 628 568 558 Min 395 405 396 414 439 389 451 475 434 418 384 355 Max 631 570 630 768 731 688 709 753 639 818 710 784

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3172

Title 22 reports for Grit POINT LOMA WASTEWATER TREATMENT PLANT

CALIFORNIA HAZARDOUS WASTE IDENTIFICATION TESTS (Title 22) Point Loma Quarterly Grit Composite

From 01-OCT-2002 to 31-DEC-2002 Sampled by Point Loma Operations Analyzed by BOAG8CJRFJZIIENLXPDXSJRVTSBHHBKODEVL Source PLR Sample ID P190180 Sample Date 14-OCT-2002

CA Healthamp INORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit 40 CFR 503 Safety Code

Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt Limits Limits Constituent MDL Units mgKg mgKg mgKg mgL mgL mgKg mgK g ===================== ==== ======== =========== =========== =========== =========== =========== =========== ============= Antimony 5 mgkg 11 7 500 15 Arsenic 33 mgkg 29 19 500 50 41 Barium 042 mgkg 79 50 10000 100 Beryllium 2 mgkg ND ND 75 075 Cadmium 5 mgkg 08 05 100 10 39 Chromium (VI) NA mgkg NA NA 500 50 Chromium 3 mgkg 26 17 2500 560 1200 Cobalt 8 mgkg ND ND 8000 80 Copper 2 mgkg 221 141 2500 25 1500 2500 Lead 5 mgkg 8 5 1000 50 300 350 Mercury 003 mgkg 01 01 20 02 17 Molybdenum 6 mgkg 3 19 3500 3500 Nickel 3 mgkg 13 8 2000 20 420 2000 Selenium 24 mgkg ND ND 100 10 36 Silver 3 mgkg ND ND 500 50 Thallium 10 mgkg ND ND 700 70 Vanadium 14 mgkg 108 69 2400 24 Zinc 4 mgkg 273 174 5000 250 2800 Fluoride NA mgkg NA NA 18000 180 Sulfides-Reactive mgkg NA NA NA Sulfides-Total mgkg NA NA NA Total Solids NA Wt 638 NA Total Volatile Solids NA Wt 253 pH NA pH Units 673 gt2 - lt 12 ===================== ==== ======== =========== =========== =========== =========== =========== =========== ===========

ORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt

Constituent MDL Units mgKg mgKg mgKg mgL mgL ================= ======== ===== =========== =========== =========== =========== =========== Aldrin 000002 mgKg ND ND 14 014 Chlordanes 0000014 mgKg ND ND 25 025 DDT DDE DDD 000004 mgKg 001080 000689 10 010 24-D 34 mgKg ND ND 100 10 Dieldrin 000002 mgKg ND ND 80 08 Endrin 000003 mgKg ND ND 02 002 Heptachlor 0000003 mgKg ND ND 47 047 Kepone NA mgKg NA ND 21 2 Lindane 000001 mgKg ND ND 40 04 Methoxychlor NA mgKg ND ND 100 10 Mirex 000002 mgKg ND ND 21 2 Pentachlorophenol 08 mgKg ND ND 17 17 PCBs (Arochlors) NA mgKg ND ND 50 50 Toxaphene 000024 mgKg ND ND 5 05 Trichloroethene 00253 mgKg ND ND 2040 204 245-TP 44 mgKg ND ND 10 1 ================= ======== ===== =========== =========== =========== =========== =========== ND= not detected NA = not analyzed = not reportable failed QC criteria

TTLC = Total Threshold Limit Concentration STLC = Soluble Threshold Limit Concentration WET = Waste Extraction Technique = The total concentration is less than 10 times the STLC Therefore by definition

this substance is present in concentrations that are less than the limits for hazardous wastes = Limits are in mgKg (dry weight) based on 40 CFR part 50313 Table 3 Limits for Land Application = The California State Health and Safety Code 251578 established lower a limit for Lead NA = Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required MDL = Method Detection Limit (are in mgKg per dry weight except for pH and Total and Volatile Solids) MBCDEWCN = Metro Biosolids Center Dewatered Centrifuged Sludge TTLC = Total Threshold Limit Concentration

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3173

POINT LOMA WASTEWATER TREATMENT PLANT QUARTERLY GRIT COMPOSITES Inorganics and Organics

From 01-JAN-2002 to 31-DEC-2002

GRIT COMP 14-OCT-2002

Analyte MDL Units P190180 ============================== ====== ===== ============ Aluminum 5 MGKG 3020 Antimony 5 MGKG 110 Arsenic 33 MGKG 287 Barium 042 MGKG 794 Beryllium 2 MGKG ND Cadmium 5 MGKG 08 Chromium 3 MGKG 26 Cobalt 8 MGKG ND Copper 2 MGKG 221 Iron 3 MGKG 12900 Lead 5 MGKG 8 Manganese 48 MGKG 151 Mercury 003 MGKG 014 Molybdenum 6 MGKG 32 Nickel 3 MGKG 13 Selenium 24 MGKG lt024 Silver 3 MGKG ND Thallium 10 MGKG ND Vanadium 14 MGKG 108 Zinc 4 MGKG 273 Fluoride MGKG NA Sulfides-Reactive MGKG NA Sulfides-Total MGKG NA pH PH 673 Total Solids 24 WT 638 Total Volatile Solids 11 WT 253 Aldrin 8000 MGKG ND 24-dichlorophenoxyacetic acid 684 MGKG ND Dieldrin 16000 MGKG ND Endrin 8000 MGKG ND Heptachlor 6000 MGKG ND Kepone MGKG NA BHC Gamma isomer 2000 MGKG ND Methoxychlor 71000 MGKG ND Pentachlorophenol 5850 MGKG ND Toxaphene 130000 MGKG ND Trichloroethene MGKG NA 245-TP (Silvex) 633 MGKG ND CyanidesTotal MGKG NA

NA= Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3174

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

Point Loma Wastewater Treatment Plant 2002 Grit Total Solids (WT) at Point Loma

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day WT WT WT WT WT WT WT WT WT WT WT WT

1 490 517 396 474 697 452 551 475 448 525 710 541 2 420 489 501 464 647 458 490 512 461 447 659 685 3 490 468 453 461 692 553 482 526 495 506 561 570 4 428 411 453 449 631 418 475 563 520 665 692 523 5 463 469 495 427 630 502 451 517 532 523 695 588 6 454 427 477 458 613 519 454 517 505 662 683 516 7 477 461 527 421 483 422 539 492 488 510 545 568 8 424 507 630 461 720 604 569 502 568 418 526 557 9 466 522 605 535 630 389 688 564 549 494 536 480

10 395 456 476 414 622 487 552 668 639 673 566 11 441 446 432 548 615 513 469 753 440 586 460 12 434 439 409 664 439 504 593 662 512 768 651 501 13 585 451 409 600 642 688 672 499 789 656 492 14 525 464 500 595 680 566 726 502 517 601 592 15 524 441 442 493 444 652 572 495 663 528 424 16 418 475 470 600 670 679 543 665 481 501 17 498 570 565 709 632 697 527 509 518 532 18 487 503 436 654 663 709 626 518 717 681 518 19 436 453 482 464 658 468 556 736 465 784 20 506 418 521 571 605 538 634 573 650 501 608 21 484 425 474 528 660 487 554 494 494 683 515 509 22 547 479 474 636 552 524 493 702 533 542 23 592 503 554 631 695 452 560 509 685 565 568 24 456 490 524 526 499 489 561 620 818 474 501 25 552 405 460 696 632 588 487 582 434 627 535 443 26 631 535 539 601 548 516 514 762 554 355 27 516 459 564 655 671 551 555 506 492 530 616 701 28 547 486 452 768 551 521 493 623 523 567 735 29 595 478 652 470 569 555 490 701 458 518 30 485 606 706 731 483 580 532 521 637 384 680 31 598 509 485 556 495 722 760

Avg 496 470 494 562 624 532 540 568 519 628 568 558 Min 395 405 396 414 439 389 451 475 434 418 384 355 Max 631 570 630 768 731 688 709 753 639 818 710 784

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3172

Title 22 reports for Grit POINT LOMA WASTEWATER TREATMENT PLANT

CALIFORNIA HAZARDOUS WASTE IDENTIFICATION TESTS (Title 22) Point Loma Quarterly Grit Composite

From 01-OCT-2002 to 31-DEC-2002 Sampled by Point Loma Operations Analyzed by BOAG8CJRFJZIIENLXPDXSJRVTSBHHBKODEVL Source PLR Sample ID P190180 Sample Date 14-OCT-2002

CA Healthamp INORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit 40 CFR 503 Safety Code

Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt Limits Limits Constituent MDL Units mgKg mgKg mgKg mgL mgL mgKg mgK g ===================== ==== ======== =========== =========== =========== =========== =========== =========== ============= Antimony 5 mgkg 11 7 500 15 Arsenic 33 mgkg 29 19 500 50 41 Barium 042 mgkg 79 50 10000 100 Beryllium 2 mgkg ND ND 75 075 Cadmium 5 mgkg 08 05 100 10 39 Chromium (VI) NA mgkg NA NA 500 50 Chromium 3 mgkg 26 17 2500 560 1200 Cobalt 8 mgkg ND ND 8000 80 Copper 2 mgkg 221 141 2500 25 1500 2500 Lead 5 mgkg 8 5 1000 50 300 350 Mercury 003 mgkg 01 01 20 02 17 Molybdenum 6 mgkg 3 19 3500 3500 Nickel 3 mgkg 13 8 2000 20 420 2000 Selenium 24 mgkg ND ND 100 10 36 Silver 3 mgkg ND ND 500 50 Thallium 10 mgkg ND ND 700 70 Vanadium 14 mgkg 108 69 2400 24 Zinc 4 mgkg 273 174 5000 250 2800 Fluoride NA mgkg NA NA 18000 180 Sulfides-Reactive mgkg NA NA NA Sulfides-Total mgkg NA NA NA Total Solids NA Wt 638 NA Total Volatile Solids NA Wt 253 pH NA pH Units 673 gt2 - lt 12 ===================== ==== ======== =========== =========== =========== =========== =========== =========== ===========

ORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt

Constituent MDL Units mgKg mgKg mgKg mgL mgL ================= ======== ===== =========== =========== =========== =========== =========== Aldrin 000002 mgKg ND ND 14 014 Chlordanes 0000014 mgKg ND ND 25 025 DDT DDE DDD 000004 mgKg 001080 000689 10 010 24-D 34 mgKg ND ND 100 10 Dieldrin 000002 mgKg ND ND 80 08 Endrin 000003 mgKg ND ND 02 002 Heptachlor 0000003 mgKg ND ND 47 047 Kepone NA mgKg NA ND 21 2 Lindane 000001 mgKg ND ND 40 04 Methoxychlor NA mgKg ND ND 100 10 Mirex 000002 mgKg ND ND 21 2 Pentachlorophenol 08 mgKg ND ND 17 17 PCBs (Arochlors) NA mgKg ND ND 50 50 Toxaphene 000024 mgKg ND ND 5 05 Trichloroethene 00253 mgKg ND ND 2040 204 245-TP 44 mgKg ND ND 10 1 ================= ======== ===== =========== =========== =========== =========== =========== ND= not detected NA = not analyzed = not reportable failed QC criteria

TTLC = Total Threshold Limit Concentration STLC = Soluble Threshold Limit Concentration WET = Waste Extraction Technique = The total concentration is less than 10 times the STLC Therefore by definition

this substance is present in concentrations that are less than the limits for hazardous wastes = Limits are in mgKg (dry weight) based on 40 CFR part 50313 Table 3 Limits for Land Application = The California State Health and Safety Code 251578 established lower a limit for Lead NA = Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required MDL = Method Detection Limit (are in mgKg per dry weight except for pH and Total and Volatile Solids) MBCDEWCN = Metro Biosolids Center Dewatered Centrifuged Sludge TTLC = Total Threshold Limit Concentration

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3173

POINT LOMA WASTEWATER TREATMENT PLANT QUARTERLY GRIT COMPOSITES Inorganics and Organics

From 01-JAN-2002 to 31-DEC-2002

GRIT COMP 14-OCT-2002

Analyte MDL Units P190180 ============================== ====== ===== ============ Aluminum 5 MGKG 3020 Antimony 5 MGKG 110 Arsenic 33 MGKG 287 Barium 042 MGKG 794 Beryllium 2 MGKG ND Cadmium 5 MGKG 08 Chromium 3 MGKG 26 Cobalt 8 MGKG ND Copper 2 MGKG 221 Iron 3 MGKG 12900 Lead 5 MGKG 8 Manganese 48 MGKG 151 Mercury 003 MGKG 014 Molybdenum 6 MGKG 32 Nickel 3 MGKG 13 Selenium 24 MGKG lt024 Silver 3 MGKG ND Thallium 10 MGKG ND Vanadium 14 MGKG 108 Zinc 4 MGKG 273 Fluoride MGKG NA Sulfides-Reactive MGKG NA Sulfides-Total MGKG NA pH PH 673 Total Solids 24 WT 638 Total Volatile Solids 11 WT 253 Aldrin 8000 MGKG ND 24-dichlorophenoxyacetic acid 684 MGKG ND Dieldrin 16000 MGKG ND Endrin 8000 MGKG ND Heptachlor 6000 MGKG ND Kepone MGKG NA BHC Gamma isomer 2000 MGKG ND Methoxychlor 71000 MGKG ND Pentachlorophenol 5850 MGKG ND Toxaphene 130000 MGKG ND Trichloroethene MGKG NA 245-TP (Silvex) 633 MGKG ND CyanidesTotal MGKG NA

NA= Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3174

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

Title 22 reports for Grit POINT LOMA WASTEWATER TREATMENT PLANT

CALIFORNIA HAZARDOUS WASTE IDENTIFICATION TESTS (Title 22) Point Loma Quarterly Grit Composite

From 01-OCT-2002 to 31-DEC-2002 Sampled by Point Loma Operations Analyzed by BOAG8CJRFJZIIENLXPDXSJRVTSBHHBKODEVL Source PLR Sample ID P190180 Sample Date 14-OCT-2002

CA Healthamp INORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit 40 CFR 503 Safety Code

Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt Limits Limits Constituent MDL Units mgKg mgKg mgKg mgL mgL mgKg mgK g ===================== ==== ======== =========== =========== =========== =========== =========== =========== ============= Antimony 5 mgkg 11 7 500 15 Arsenic 33 mgkg 29 19 500 50 41 Barium 042 mgkg 79 50 10000 100 Beryllium 2 mgkg ND ND 75 075 Cadmium 5 mgkg 08 05 100 10 39 Chromium (VI) NA mgkg NA NA 500 50 Chromium 3 mgkg 26 17 2500 560 1200 Cobalt 8 mgkg ND ND 8000 80 Copper 2 mgkg 221 141 2500 25 1500 2500 Lead 5 mgkg 8 5 1000 50 300 350 Mercury 003 mgkg 01 01 20 02 17 Molybdenum 6 mgkg 3 19 3500 3500 Nickel 3 mgkg 13 8 2000 20 420 2000 Selenium 24 mgkg ND ND 100 10 36 Silver 3 mgkg ND ND 500 50 Thallium 10 mgkg ND ND 700 70 Vanadium 14 mgkg 108 69 2400 24 Zinc 4 mgkg 273 174 5000 250 2800 Fluoride NA mgkg NA NA 18000 180 Sulfides-Reactive mgkg NA NA NA Sulfides-Total mgkg NA NA NA Total Solids NA Wt 638 NA Total Volatile Solids NA Wt 253 pH NA pH Units 673 gt2 - lt 12 ===================== ==== ======== =========== =========== =========== =========== =========== =========== ===========

ORGANICS Total Conc Total Conc TTLC Limit WET Conc STLC Limit Dry Wt Wet Wt Wet Wt Wet Wt Wet Wt

Constituent MDL Units mgKg mgKg mgKg mgL mgL ================= ======== ===== =========== =========== =========== =========== =========== Aldrin 000002 mgKg ND ND 14 014 Chlordanes 0000014 mgKg ND ND 25 025 DDT DDE DDD 000004 mgKg 001080 000689 10 010 24-D 34 mgKg ND ND 100 10 Dieldrin 000002 mgKg ND ND 80 08 Endrin 000003 mgKg ND ND 02 002 Heptachlor 0000003 mgKg ND ND 47 047 Kepone NA mgKg NA ND 21 2 Lindane 000001 mgKg ND ND 40 04 Methoxychlor NA mgKg ND ND 100 10 Mirex 000002 mgKg ND ND 21 2 Pentachlorophenol 08 mgKg ND ND 17 17 PCBs (Arochlors) NA mgKg ND ND 50 50 Toxaphene 000024 mgKg ND ND 5 05 Trichloroethene 00253 mgKg ND ND 2040 204 245-TP 44 mgKg ND ND 10 1 ================= ======== ===== =========== =========== =========== =========== =========== ND= not detected NA = not analyzed = not reportable failed QC criteria

TTLC = Total Threshold Limit Concentration STLC = Soluble Threshold Limit Concentration WET = Waste Extraction Technique = The total concentration is less than 10 times the STLC Therefore by definition

this substance is present in concentrations that are less than the limits for hazardous wastes = Limits are in mgKg (dry weight) based on 40 CFR part 50313 Table 3 Limits for Land Application = The California State Health and Safety Code 251578 established lower a limit for Lead NA = Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required MDL = Method Detection Limit (are in mgKg per dry weight except for pH and Total and Volatile Solids) MBCDEWCN = Metro Biosolids Center Dewatered Centrifuged Sludge TTLC = Total Threshold Limit Concentration

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3173

POINT LOMA WASTEWATER TREATMENT PLANT QUARTERLY GRIT COMPOSITES Inorganics and Organics

From 01-JAN-2002 to 31-DEC-2002

GRIT COMP 14-OCT-2002

Analyte MDL Units P190180 ============================== ====== ===== ============ Aluminum 5 MGKG 3020 Antimony 5 MGKG 110 Arsenic 33 MGKG 287 Barium 042 MGKG 794 Beryllium 2 MGKG ND Cadmium 5 MGKG 08 Chromium 3 MGKG 26 Cobalt 8 MGKG ND Copper 2 MGKG 221 Iron 3 MGKG 12900 Lead 5 MGKG 8 Manganese 48 MGKG 151 Mercury 003 MGKG 014 Molybdenum 6 MGKG 32 Nickel 3 MGKG 13 Selenium 24 MGKG lt024 Silver 3 MGKG ND Thallium 10 MGKG ND Vanadium 14 MGKG 108 Zinc 4 MGKG 273 Fluoride MGKG NA Sulfides-Reactive MGKG NA Sulfides-Total MGKG NA pH PH 673 Total Solids 24 WT 638 Total Volatile Solids 11 WT 253 Aldrin 8000 MGKG ND 24-dichlorophenoxyacetic acid 684 MGKG ND Dieldrin 16000 MGKG ND Endrin 8000 MGKG ND Heptachlor 6000 MGKG ND Kepone MGKG NA BHC Gamma isomer 2000 MGKG ND Methoxychlor 71000 MGKG ND Pentachlorophenol 5850 MGKG ND Toxaphene 130000 MGKG ND Trichloroethene MGKG NA 245-TP (Silvex) 633 MGKG ND CyanidesTotal MGKG NA

NA= Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3174

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

POINT LOMA WASTEWATER TREATMENT PLANT QUARTERLY GRIT COMPOSITES Inorganics and Organics

From 01-JAN-2002 to 31-DEC-2002

GRIT COMP 14-OCT-2002

Analyte MDL Units P190180 ============================== ====== ===== ============ Aluminum 5 MGKG 3020 Antimony 5 MGKG 110 Arsenic 33 MGKG 287 Barium 042 MGKG 794 Beryllium 2 MGKG ND Cadmium 5 MGKG 08 Chromium 3 MGKG 26 Cobalt 8 MGKG ND Copper 2 MGKG 221 Iron 3 MGKG 12900 Lead 5 MGKG 8 Manganese 48 MGKG 151 Mercury 003 MGKG 014 Molybdenum 6 MGKG 32 Nickel 3 MGKG 13 Selenium 24 MGKG lt024 Silver 3 MGKG ND Thallium 10 MGKG ND Vanadium 14 MGKG 108 Zinc 4 MGKG 273 Fluoride MGKG NA Sulfides-Reactive MGKG NA Sulfides-Total MGKG NA pH PH 673 Total Solids 24 WT 638 Total Volatile Solids 11 WT 253 Aldrin 8000 MGKG ND 24-dichlorophenoxyacetic acid 684 MGKG ND Dieldrin 16000 MGKG ND Endrin 8000 MGKG ND Heptachlor 6000 MGKG ND Kepone MGKG NA BHC Gamma isomer 2000 MGKG ND Methoxychlor 71000 MGKG ND Pentachlorophenol 5850 MGKG ND Toxaphene 130000 MGKG ND Trichloroethene MGKG NA 245-TP (Silvex) 633 MGKG ND CyanidesTotal MGKG NA

NA= Not Analyzed ND= Not Detected NS= Not Sampled NR= Not Required

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3174

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

POINT LOMA WASTEWATER TREATMENT PLANT GRIT- Chlorinated Pesticide Analysis

From 01-JAN-2002 To 31-DEC-2002

Sampling AM Analysis SV

PLR 14-OCT-2002

Analyte MDL Units P190180 ========================== ====== ===== =========== Aldrin 8000 NGKG ND Dieldrin 16000 NGKG ND BHC Alpha isomer 4000 NGKG ND BHC Beta isomer 6000 NGKG ND BHC Gamma isomer 2000 NGKG ND BHC Delta isomer 4000 NGKG ND

op-DDD 6000 NGKG ND op-DDE 6000 NGKG ND

op-DDT 4000 NGKG ND pp-DDD 4000 NGKG ND pp-DDE 4000 NGKG 10800 pp-DDT 6000 NGKG ND

Heptachlor 6000 NGKG ND Heptachlor epoxide 6000 NGKG ND Alpha (cis) Chlordane 6000 NGKG ND Gamma (trans) Chlordane 4000 NGKG ND Alpha Chlordene NGKG NA Gamma Chlordene NGKG NA Oxychlordane 6000 NGKG ND Trans Nonachlor 4000 NGKG ND Cis Nonachlor 4000 NGKG ND Alpha Endosulfan 6000 NGKG ND Beta Endosulfan 6000 NGKG ND Endosulfan Sulfate 16000 NGKG ND Endrin 8000 NGKG ND Endrin aldehyde 6000 NGKG ND Toxaphene 130000 NGKG ND Mirex 16000 NGKG ND Methoxychlor 71000 NGKG ND PCB 1016 6000 NGKG ND PCB 1221 260000 NGKG ND PCB 1232 580000 NGKG ND PCB 1242 NGKG ND PCB 1248 310000 NGKG ND PCB 1254 310000 NGKG ND PCB 1260 130000 NGKG ND PCB 1262 NGKG ND

========================== ====== ===== =========== Aldrin + Dieldrin 16000 NGKG 0 Hexachlorocyclohexanes 6000 NGKG 0 DDT and derivatives 6000 NGKG 10800 Chlordane + related cmpds 6000 NGKG 0 Polychlorinated biphenyls 580000 NGKG 0 ========================== ====== ===== =========== Chlorinated Hydrocarbons 580000 NGKG 10800

nd=not detected NS=not sampled NA=not analyzed

Standards for alpha and gama chlordene are no longer available in the US for the analysis of these compounds

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3175

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL GRIT- ANALYSIS-ACID EXTRACTABLE COMPOUNDS

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNMS

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================= ==== ===== ===========

2-chlorophenol 6550 UGKG ND 24-dichlorophenol 4570 UGKG ND 4-chloro-3-methylphenol 9500 UGKG ND 246-trichlorophenol 8000 UGKG ND Pentachlorophenol 5850 UGKG ND

Phenol 7200 UGKG ND 2-nitrophenol 8000 UGKG ND 24-dimethylphenol 5350 UGKG ND 24-dinitrophenol 1670 UGKG ND 4-nitrophenol 1670 UGKG ND 2-methyl-46-dinitrophenol 1670 UGKG ND

============================= ==== ===== =========== Total Chlorinated Phenols 9500 UGKG 00

Total Non-Chlorinated Phenols 8000 UGKG 00 ============================= ==== ===== =========== Phenols 9500 UGKG 00

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3176

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants BaseNeutral Compounds

From 01-JAN-2002 to 31-DEC-2002

Sampled by VBLCMCNCHDJNSKB PLR

14-OCT-2002 Analyte MDL Units P190180 ============================== ===== ===== ===========

bis(2-chloroethyl) ether 7100 UGKG ND 13-dichlorobenzene 3670 UGKG ND 12-dichlorobenzene 1710 UGKG ND 14-dichlorobenzene 6350 UGKG 9320 Bis-(2-chloroisopropyl) ether 5450 UGKG ND N-nitrosodi-n-propylamine 6800 UGKG ND

Nitrobenzene 14000 UGKG ND Hexachloroethane 1910 UGKG ND Isophorone 9100 UGKG ND

bis(2-chloroethoxy)methane 8150 UGKG ND 124-trichlorobenzene 4900 UGKG ND

Naphthalene 10800 UGKG ND Hexachlorobutadiene 4700 UGKG ND Hexachlorocyclopentadiene 9450 UGKG ND

2-chloronaphthalene 1670 UGKG ND Acenaphthylene 2920 UGKG ND Dimethyl phthalate 1780 UGKG ND

26-dinitrotoluene 9450 UGKG ND Acenaphthene 4320 UGKG ND

24-dinitrotoluene 5150 UGKG ND Fluorene 12600 UGKG ND

4-chlorophenyl phenyl ether 1810 UGKG ND Diethyl phthalate 7000 UGKG ND N-nitrosodiphenylamine 6650 UGKG ND 4-bromophenyl phenyl ether 5150 UGKG ND

Hexachlorobenzene 4070 UGKG ND Phenanthrene 5200 UGKG ND Anthracene 4930 UGKG ND

Di-n-butyl phthalate 7250 UGKG ND N-nitrosodimethylamine UGKG ND

Fluoranthene 1080 UGKG ND Pyrene 5750 UGKG ND Butyl benzyl phthalate 11100 UGKG ND Chrysene 1760 UGKG ND Benzo[A]anthracene 5500 UGKG ND

Bis-(2-ethylhexyl) phthalate 19800 UGKG lt19800 Di-n-octyl phthalate 17300 UGKG ND

Benzo[K]fluoranthene 9650 UGKG ND 34-benzo(B)fluoranthene 5640 UGKG ND

Benzo[A]pyrene 3710 UGKG ND Indeno(123-CD)pyrene 4770 UGKG ND

Dibenzo(AH)anthracene 3080 UGKG ND Benzo[GHI]perylene 1510 UGKG ND

12-diphenylhydrazine 7950 UGKG ND ============================== ===== ===== =========== Polynuc Aromatic Hydrocarbons 12600 UGKG 0 Total Dichlorobenzenes 3670 UGKG 0 ============================== ===== ===== =========== BaseNeutral Compounds 19800 UGKG lt9320

nd= not detected NA= not analyzed NS= not sampled

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3177

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Priority Pollutants Purgeable Compounds SW-846 8260B

From 01-JAN-2002 to 31-DEC-2002 Sampled by Armando Martinez Analyzed by SEvans

Analyte MDL Units ============================ ==== ===== Chloromethane Bromomethane Vinyl chloride Chloroethane

11-dichloroethane Trichlorofluoromethane Methylene chloride

11-dichloroethene trans-12-dichloroethene

Chloroform 12-dichloroethane

111-trichloroethane Carbon tetrachloride Bromodichloromethane

12-dichloropropane trans-13-dichloropropene

Trichloroethene Benzene Dibromochloromethane

112-trichloroethane cis-13-dichloropropene 2-chloroethylvinyl ether

Bromoform 1122-tetrachloroethane

Tetrachloroethene Chlorobenzene Toluene Ethylbenzene Acrylonitrile Acrolein

258 UGKG 292 UGKG 262 UGKG 61 UGKG 257 UGKG 28 UGKG 625 UGKG 251 UGKG 249 UGKG 256 UGKG 205 UGKG 274 UGKG 156 UGKG 17 UGKG 255 UGKG 17 UGKG 253 UGKG 265 UGKG 242 UGKG 351 UGKG 215 UGKG 536 UGKG 261 UGKG 64 UGKG 215 UGKG 311 UGKG 48 UGKG 905 UGKG 275 UGKG 709 UGKG

============================ ==== ===== Halomethane Purgeable Cmpnds 292 UGKG

============================ ==== ===== Purgeable Compounds 275 UGKG

Additional analytes determined ============================ ==== ===== Allyl chloride

4-methyl-2-pentanone metapara xylenes Styrene

124-trichlorobenzene Methyl Iodide

Chloroprene Methyl methacrylate

2-nitropropane 12-dibromoethane

Isopropylbenzene Benzyl chloride

ortho-xylene Acetone Carbon disulfide

2-butanone Methyl tert-butyl ether

25 UGKG 24 UGKG 35 UGKG 19 UGKG 1650 UGKG 19 UGKG 17 UGKG 36 UGKG

UGKG 17 UGKG 17 UGKG 38 UGKG 23 UGKG 185 UGKG 34 UGKG

UGKG 34 UGKG

MBCDEWCN 14-FEB-2002

P190180===========

NDNDNDNDNDND

166NDND

805NDNDNDND

199NDNDNDNDNDNDNDND NDNDND

935ND NDND

===========00

===========00

===========NDNDND

596NDNDNDNDNDNDNDNDND ND59

1110ND

Failed QC criteria results not reportable due to RSD gt30 for continuing calibration nd= not detected NA= not analyzed NS= not sampled (CCC)

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3178

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

POINT LOMA WASTEWATER TREATMENT PLANT GRIT - Herbicides

From 01-JAN-2002 to 31-DEC-2002

Sampling LCMCBGBRJSKBHHDNC Analysis CWTBKD

PLR 14-OCT-2002

Analyte MDL Units P190180 ============================== ==== ===== ===========

24-dichlorophenoxyacetic acid 684 UGKG ND 245-TP (Silvex) 633 UGKG ND

nd=not detected NS=not sampled NA=not analyzed

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3179

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

I Raw Sludge Data Summary

POINT LOMA WASTEWATER TREATMENT PLANT ANNUAL REPORT YEAR 2002

Raw Sludge Average of 3 Shifts

Month

pH Total Solids

Total Volatile Solids

January 640 45 758

February 633 44 759

March 635 41 759

April 639 38 765

May 636 41 765

June 636 40 758

July 614 44 763

August 629 41 760

September 629 39 755

October 627 39 757

November 633 39 749

December 640 39 745

Averages 633 41 758

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3180

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

J Digester and Digested Sludge Data Summary

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

N1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 24 580 3040 60 625 371

FEBRUARY -2002 727 25 574 3230 60 627 369 MARCH -2002 725 23 567 2940 67 627 370 APRIL -2002 725 21 571 2670 58 625 371 MAY -2002 726 23 573 2740 57 628 369 JUNE -2002 728 23 572 2650 54 629 368 JULY -2002 726 24 577 2700 58 629 366 AUGUST -2002 721 24 572 2750 56 632 365

SEPTEMBER-2002 719 23 569 2670 52 632 364 OCTOBER -2002 725 23 567 2700 52 633 362

NOVEMBER -2002 724 22 564 2800 51 633 363 DECEMBER -2002 723 23 562 2870 52 633 363

============== =========== =========== =========== =========== =========== =========== =========== Average 724 23 571 2813 56 629 367

N2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 722 25 571 3030 59 626 370

FEBRUARY -2002 727 25 570 3260 60 626 370 MARCH -2002 722 23 562 2950 58 627 369 APRIL -2002 723 22 565 2710 58 626 370 MAY -2002 730 23 569 2780 58 629 367 JUNE -2002 730 23 565 2710 55 630 366 JULY -2002 726 24 563 2720 58 631 364 AUGUST -2002 724 24 572 2700 58 632 363

SEPTEMBER-2002 723 23 562 2660 54 632 363 OCTOBER -2002 726 23 555 2710 53 632 363

NOVEMBER -2002 726 23 553 2800 52 632 363 DECEMBER -2002 726 23 552 2910 52 634 362 ============== =========== =========== =========== =========== =========== =========== ===========

725 23 563 2828 56 630 366

C1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3181

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

C2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide

pH () () (mgL) (mgL) () () ============== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 OUT OF SERVICE

FEBRUARY -2002 MARCH -2002 APRIL -2002 MAY -2002 JUNE -2002 JULY -2002 AUGUST -2002

SEPTEMBER-2002 OCTOBER -2002

NOVEMBER -2002 DECEMBER -2002

============== =========== =========== =========== =========== =========== =========== ===========

Out of Service

S1P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 721 24 570 3010 59 626 370

FEBRUARY -2002 728 24 565 3230 59 625 371 MARCH -2002 721 22 562 2880 58 627 370 APRIL -2002 722 21 565 2650 60 627 370 MAY -2002 727 22 564 2850 61 628 368 JUNE -2002 726 23 567 2730 57 630 366 JULY -2002 724 24 569 2740 60 632 363 AUGUST -2002 720 24 570 2710 58 632 364 45

SEPTEMBER-2002 723 23 559 2650 54 634 363 OCTOBER -2002 723 23 559 2690 54 633 363

NOVEMBER -2002 723 22 563 2790 53 632 364 DECEMBER -2002 725 22 553 2880 54 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 724 23 564 2818 57 630 366 45

Out of Service

S2P

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JANUARY -2002 720 24 579 2910 58 628 369 34

FEBRUARY -2002 723 24 573 3120 60 625 372 33 MARCH -2002 719 22 575 2740 60 630 368 33 APRIL -2002 722 21 571 2590 60 629 368 36 MAY -2002 726 22 569 2740 59 631 366 33 JUNE -2002 726 23 572 2660 57 631 366 35 JULY -2002 726 24 581 2720 61 632 365 38 AUGUST -2002 719 24 572 2680 59 635 363 37

SEPTEMBER-2002 719 23 569 2600 54 635 363 34 OCTOBER -2002 723 23 564 2650 53 634 363 32

NOVEMBER -2002 721 23 564 2730 53 633 363 31 DECEMBER -2002 725 23 556 2810 54 635 362 27

============== =========== =========== =========== =========== =========== =========== =========== =========== 722 23 570 2746 57 632 366 34

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3182

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183

Point Loma Wastewater Treatment Plant Annual Report 2002 Digesters

DIG 7

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== =========== JUNE -1905 JANUARY -2002 731 22 564 3260 60 635 360

FEBRUARY -2002 733 22 566 3450 60 633 361 MARCH -2002 729 20 558 3040 57 632 364 APRIL -2002 729 19 557 2870 58 632 362 MAY -2002 732 21 558 2970 57 629 364 JUNE -2002 734 21 560 2890 56 632 361 JULY -2002 733 22 568 2920 59 634 361 AUGUST -2002 728 22 558 2910 58 629 365

SEPTEMBER-2002 731 22 554 2830 54 629 364 OCTOBER -2002 733 21 550 2860 52 629 365

NOVEMBER -2002 729 21 546 2960 51 627 367 DECEMBER -2002 729 23 525 3070 54 631 362

============== =========== =========== =========== =========== =========== =========== =========== =========== 731 21 555 3003 56 631 363

Out of Service

DIG 8

Total Volatile Alkal- Volatile Carbon Solids Solids inity Acids Methane Dioxide H2S

pH () () (mgL) (mgL) () () ppm ============== =========== =========== =========== =========== =========== =========== =========== ===========

FEBRUARY -2002 726 07 529 1960 46 671 321 MARCH -2002 717 14 562 2430 51 630 365 APRIL -2002 721 19 563 2770 58 632 363 MAY -2002 727 21 569 2850 57 633 362 JUNE -2002 730 22 565 2990 56 632 363 JULY -2002 725 23 573 2840 60 633 362 40 AUGUST -2002 723 23 570 2790 59 633 362

SEPTEMBER-2002 726 22 560 2730 55 634 363 OCTOBER -2002 725 22 560 2770 54 633 364

NOVEMBER -2002 726 22 558 2860 53 634 363 DECEMBER -2002 724 22 553 2970 51 633 363

============== =========== =========== =========== =========== =========== =========== =========== =========== 725 20 560 2724 55 636 359 40

Out of Service

IREPORTSPT_LOMAAnnualsAnnual2002Final Sections2002_Annualdoc Plant Operations Summary 3183