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LABORATORY DATA REVIEW CHECKLIST CS Report Name: 2012 Confirmation Sampling, Well Installation, and Groundwater Sampling, 4501 Lake Otis Parkway, Anchorage, Alaska Date: July 2012 Laboratory Report Date: 7/11/2012 Consultant Firm: Shannon & Wilson, Inc. Completed by: Jake Gano Title: Environmental Engineer Laboratory Name: SGS Environmental Services, Inc. Work Order Number: 1121984 ADEC File Number: 2100.38.511 (NOTE: NA = not applicable; Text in italics added by Shannon & Wilson, Inc.)

1. Laboratory a. Did an ADEC CS approved laboratory receive and perform all of the submitted sample

analyses? Yes / No Comments:

b. If the samples were transferred to another "network" laboratory or sub-contracted to an alternate laboratory, was the laboratory performing the analyses ADEC CS-approved? NA / Yes / No Comments:

2. Chain of Custody (COC)

a. COC information completed, signed, and dated (including released/received by)? Yes / No Comments:

b. Correct analyses requested? Yes / No Comments: Changes to the COCs included analyzing samples PP10-2 and PP10-10 for PAHs; removing PAH analysis for sample PP2-4; and analyzing three samples which were submitted on “hold” for GRO/BTEX, DRO, and VOCs.

3. Laboratory Sample Receipt Documentation

a. Sample/cooler temperature documented and within range at receipt (4° ± 2° C)?

Yes / No Comments: Sample cooler temperature blanks were 6.5° C and 6.2° C, respectively.

Work Order Number: 1121984

32-1-17172-014, 4501 Lake Otis Parkway, Anchorage, Alaska of 6

b. Sample preservation acceptable - acidified waters, Methanol-preserved VOC soil (GRO, BTEX, VOCs, etc.)? NA / Yes / No Comments:

c. Sample condition documented - broken, leaking (soil MeOH), zero headspace (VOC

vials)? Yes / No Comments:

d. If there were any discrepancies, were they documented (e.g., incorrect sample

containers/preservation, sample temperatures outside range, insufficient sample size, missing samples)? NA / Yes / No Comments: The lab noted that the methanol did not completely submerse the soil for Samples B9-2, B9-22, and B9-11. The septa lid jar for Sample PP8-6 had the wrong time. The laboratory used the notation on the sample lid to confirm the correct sample ID and used the time on the COC.

e. Data quality or usability affected? Explain.

Comments: Based on conversations with the lab, the soil samples where the methanol was not covering the soil sample were swirled and the soil was settled back into the jar (likely due to shifting during transport). The data usability is not affected.

4. Case Narrative

a. Present and understandable? Yes / No Comments:

b. Discrepancies, errors or QC failures noted by the lab? None Noted / Yes Comments: Surrogate recoveries were outside of QC criteria for several samples either due to matrix interference or sample dilution. LOQs for DRO were elevated for several samples. LCS recovery for chloromethane and vinyl chloride are outside QC criteria (biased high). MS/MSD RPD for vinyl chloride does not meet QC criteria (biased high). For Sample B9-22, PCE results are outside of the lab calibration range. Reanalysis was not conducted due to a lab scheduling error. CCV recovery for several analytes do not meet QC criteria (biased high).

c. Were corrective actions documented? None Noted / Yes Comments:

d. What is the effect on data quality/usability, according to the case narrative? Comments: The case narrative notes that LOQs are elevated for samples run at dilution. Also, the results for B9-22 are considered an estimate.



5. Sample Results

a. Correct analyses performed/reported as requested on COC? Yes / No Comments:

b. All applicable holding times met? Yes / No Comments:

c. All soils reported on a dry-weight basis? NA / Yes / No Comments:

d. Are the reported LOQs less than the Cleanup Level or the minimum required detection level for the project? Yes / No Comments: The detection limits (DLs) exceed the ADEC migration to groundwater cleanup level for the following analytes in the following samples:

Vinyl chloride in all of the project samples. It is noted that the VC DL is less than the interim threshold concentration.

Methylene chloride, 1,2-dibromoethane, 1,2,3-trichloropropane, and 1,1,2,2-tetrachloroethane in Samples B9-2 and STB2.


Comments: The potential presence of these compounds at a concentration greater than the ADEC migration to groundwater cleanup level but less than the DL cannot be determined. It is noted that the limit of detection for vinyl chloride is less than the interim threshold concentration for the project samples.

6. QC Samples

a. Method Blank

i. One method blank reported per matrix, analysis, and 20 samples?

Yes / No Comments:

ii. All method blank results less than LOQ? Yes / No Comments:

iii. If above LOQ, what samples are affected? NA

Comments:

iv. Do the affected sample(s) have data flags? NA / Yes / No Comments:

If so, are the data flags clearly defined? NA / Yes / No Comments:



v. Data quality or usability affected? Explain. NA Comments:

b. Laboratory Control Sample/Duplicate (LCS/LCSD)

i. Organics - One LCS/LCSD reported per matrix, analysis, and 20 samples? (LCS/LCSD required per AK methods, LCS required per SW846) N/A / Yes / No Comments:

ii. Metals/Inorganics - One LCS and one sample duplicate reported per matrix, analysis and 20 samples? N/A / Yes / No Comments:

iii. Accuracy – All percent recoveries (%R) reported and within method or laboratory limits? And project specified DQOs, if applicable. (AK petroleum methods: AK101 60%-120%, AK102 75%-125%, AK103 60%-120%; all other analyses see the laboratory QC pages) Yes / No Comments: LCS recovery for chloromethane and vinyl chloride are outside QC criteria (biased high)

iv. Precision – All relative percent differences (RPDs) reported and less than method or laboratory limits? And project specified DQOs, if applicable. RPD reported from LCS/LCSD, MS/MSD, and or sample/sample duplicate. (AK Petroleum methods 20%; all other analyses see the laboratory QC pages) Yes / No Comments:

v. If %R or RPD is outside of acceptable limits, what samples are affected? NA Comments: Lab sample numbers 3-12, and 15-20.

vi. Do the affected samples(s) have data flags? NA / Yes / No Comments: If so, are the data flags clearly defined? NA / Yes / No Comments:

vii. Data quality or usability affected? Explain. Comments: The analytes with LCS recoveries outside of QC criteria were not detected in the associated project samples. Therefore, no samples are affected.

c. Surrogates - Organics Only

i. Are surrogate recoveries reported for organic analyses, field, QC and laboratory samples? NA / Yes / No Comments:



ii. Accuracy – All percent recoveries (%R) reported and within method or laboratory limits? And project specified DQOs if applicable. (AK Petroleum methods 50-150 %R; all other analyses see the laboratory report pages) NA / Yes / No Comments: Recovery was outside of QC criteria for GRO by AK101 for Samples PP7-5, PP8-6, PP9-3, PP8-7, PP10-2, PP10-5, PP2-3, PP2-4, PP2-6, PP3-6, PP5-6, AND PP6-4. Surrogate recovery for PAHs by EPA 8270D SIMS in Samples PP7-5 and PP10-2, and VOCs by EPA 8260B in Sample PP10-5 were also outside of controls.

iii. Do the sample results with failed surrogate recoveries have data flags? NA Yes / No Comments: Failed surrogates are flagged but the associated samples are not flagged in the laboratory report. The data are flagged in our report tables. If so, are the data flags clearly defined? NA / Yes / No Comments:

iv. Data quality or usability affected? Explain. Comments: The surrogate recoveries were outside of controls due to either matrix interference or sample dilution. The associated samples are flagged in the project tables.

d. Trip Blank - Volatile analyses only (GRO, BTEX, VOCs, etc.) [soil and water]

i. One trip blank reported per matrix, analysis and cooler? NA / Yes / No

Comments:

ii. Is the cooler used to transport the trip blank and volatile samples clearly indicated on the COC? NA / Yes / No (if no explain): One trip blank was submitted with each cooler

iii. All results less than LOQ? NA / Yes / No Comments: Although less than the LOQ, GRO were detected in STB1 (0.930J mg/kg) and STB2 (1.07J mg/kg).

iv. If above LOQ, what samples are affected? Comments:). Sample PP6-1 had a GRO detection within five times of the associated trip blank (STB1), and Samples B9-2 and B9-22 each had GRO detections within a factor of five of the associated trip blank (STB2). The remaining GRO results are either non-detect, or greater than five times the detected concentrations.

v. Data quality or usability affected? Explain. Comments: The GRO data are flagged as less than the detected concentrations for the three samples in our project tables. It is noted that these concentrations are less than the most stringent ADEC cleanup levels, and therefore the DQO failure does not affect the regulatory status of these samples. The remaining results are unaffected.



e. Field Duplicate

i. One field duplicate submitted per matrix, analysis and 10 project samples? Yes / No Comments: Sample B9-22 is a duplicate of Sample B9-2, and Sample PP10-10 is a duplicate of Sample PP10-2.

ii. Were the field duplicates submitted blind to the lab? NA / Yes / No Comments:

iii. Precision – All relative percent differences (RPDs) less than specified DQOs? (Recommended: 30% for water, 50% for soil) NA / Yes / No Comments: RPDs exceed the DQO for PCE in Samples B9-2/B9-22 (68 percent) and cis-1,2-DCE, fluoranthene, and pyrene in Samples PP10-2/PP10-10 (up to 80 percent). For the other analytes which were detected in both samples, DQOs ranged from 0.6 percent to 24 percent.

iv. Data quality or usability affected? Explain. Comments: The PCE result for Sample B9-22 are within 3 times of each other and both contain significant concentrations of PCE. The cis-1,2-DCE failure in PP10-2/PP10-10 are likely due to the non-homogenous distribution of contaminants in the sample. Both results are considered useable for the purposes of this project.

f. Decontamination or Equipment Blank (if not applicable, a comment stating why must

be entered below) No decontamination or equipment blank used per the ADEC-approved work plan.

i. All results less than LOQ? NA / Yes / No Comments:

ii. If results are above LOQ, what samples are affected? NA Comments:

iii. Data quality or usability affected? Explain. NA Comments:

7. Other Data Flags/Qualifiers (ACOE, AFCEE, Lab-specific, etc.)

a. Are they defined and appropriate? NA / Yes / No Comments: Lab-specific qualifiers are defined on page 6 of the lab report.

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Page 1 of 24

Alaska Division Technical Director

Stephen Ede 2012.06.2814:44:02-08'00'

CASE NARRATIVE Print Date: 6/28/2012

Workorder No.: 1122167

Project Name: 32-1-17172-013 4501 Lake Otis

Client Name: Shannon & Wilson, Inc.

Lab Sample ID

Sample Comments

Sample Type Client Sample ID

Refer to the sample receipt form for information on sample condition.

*

There were no analytical anomalies associated with the data reported herein.

* QC comments may be associated with the field samples found in this report. When applicable, comments will be applied to

associated field samples.

SG S N o rth A m eric a Inc . En vir onm enta l D ivis ion 200 W e st Pot ter D rive A nc hora ge A K 99518 t(907 )562.2343 f( 907)561 .5301 w w w .us.sgs .com M em ber of SG S Group

Page 2 of 24

32-1-17172-013 4501 Lake Otis

Project Manager

[email protected]

Steve Crupi

[email protected]

T: (907) 561-2120 F:

Attn: Jake Gano

5430 Fairbanks St., Ste. 3

Anchorage, AK 99518

Certification:

This data package is in compliance with the terms and conditions of the contract, both

technically and for completeness, unless otherwise noted on the sample data sheet(s) and/or

case narrative. This certification applies only to the tested parameters and the specific

sample(s) received at the laboratory. If you have any questions regarding this report, or if we

can be of further assistance, please contact your SGS Project Manager.

1122167

Shannon & Wilson, Inc.

Workorder No.:

Client:

Project:

Laboratory Analytical Report

Contents (Bookmarked in PDF):

Cover Page

Glossary

Sample Summary Forms

Case Narrative

Sample Results Forms

Batch Summary Forms (by method)

Quality Control Summary Forms (by method)

Chain of Custody/Sample Receipt Forms

Attachments (if applicable)

SGS No rth Americ a Inc . En vir onmenta l Divis ion 200 W e st Pot ter D rive Anc hora ge AK 99518 t(907 )562.2343 f( 907)561 .5301 w ww.us.sgs .com Member of SG S Group

Page 3 of 24

Enclosed are the analytical results associated with the above work order. All results are intended to be used in their entirety and SGS is not

responsible for use of less than the complete report. If you have any questions regarding this report, or if we can be of any other assistance, please

contact your SGS Project Manager at 907-562-2343. All work is provided under SGS general terms and conditions

(<http://www.sgs.com/terms_and_conditions.htm>), unless other written agreements have been accepted by both parties.

SGS maintains a formal Quality Assurance/Quality Control (QA/QC) program. A copy of our Quality Assurance Plan (QAP), which outlines this program, is

available at your request. The laboratory certification numbers are AK00971 (DW Chemistry & Microbiology) & UST-005 (CS) for ADEC and 2944.01 for DOD

ELAP/ISO 17025 (RCRA methods: 1020A, 1311, 3010A, 3050B, 3520C, 3550C, 5030B, 5035B, 6020, 7470A, 7471B, 8021B, 8082A, 8260B, 8270D,

8270D-SIM, 9040B, 9045C, 9056A, 9060A, AK101 and AK102/103). Except as specifically noted, all statements and data in this report are in conformance to the

provisions set forth by the SGS QAP and, when applicable, other regulatory authorities. The following descriptors or qualifiers may be found in your report:

* The analyte has exceeded allowable regulatory or control limits.

! Surrogate out of control limits.

B Indicates the analyte is found in a blank associated with the sample.

CCV Continuing Calibration Verification

CL Control Limit

D The analyte concentration is the result of a dilution.

DF Dilution Factor

DL Detection Limit (i.e., maximum method detection limit)

E The analyte result is above the calibrated range.

F Indicates value that is greater than or equal to the DL

GT Greater Than

ICV Initial Calibration Verification

J The quantitation is an estimation.

JL The analyte was positively identified, but the quantitation is a low estimation.

LCS(D) Laboratory Control Spike (Duplicate)

LOD Limit of Detection (i.e., 2xDL)

LOQ Limit of Quantitation (i.e., reporting or practical quantitation limit)

LT Less Than

M A matrix effect was present.

MB Method Blank

MS(D) Matrix Spike (Duplicate)

ND Indicates the analyte is not detected.

Q QC parameter out of acceptance range.

R Rejected

RL Reporting Limit

RPD Relative Percent Difference

U Indicates the analyte was analyzed for but not detected.

Note: Sample summaries which include a result for "Total Solids" have already been adjusted for moisture content.

All DRO/RRO analyses are integrated per SOP.

Print Date: 6/28/2012

SGS No rth Am eric a Inc . En vir onm enta l Divis ion 200 W e st Pot ter D rive Anc hora ge AK 99518 t(907 )562.2343 f( 907)561 .5301 w ww.us.sgs .com M ember of SG S Group

Page 4 of 24

http://www.sgs.com/terms_and_conditions.htm

SAMPLE SUMMARY


Project Name: 32-1-17172-013 4501 Lake Otis


Analytical Methods

Method Description Analytical Method

AK101/8021 Combo. AK101

AK101/8021 Combo. SW8021B

DRO Low Volume (W) AK102

Volatile Organic Compounds (W) FULL SW8260B

Print Date: 6/28/2012 2:42 pm

Sample ID Cross Reference

Client Sample IDLab Sample ID

1122167001 32-1-17172-013-B6MW

1122167002 32-1-17172-013-B7MW

1122167003 32-1-17172-013-WTB1


Page 5 of 24

Print Date: 6/28/2012 2:42 pmDetectable Results Summary

Client Sample ID: 32-1-17172-013-B7MW

SGS Ref. #: 1122167002 Result UnitsParameter

Volatile Fuels Department

ug/L0.440JToluene


Page 6 of 24

Shannon & Wilson, Inc. Print Date: 6/28/2012 2:42 pm


SGS Ref. #: 1122167001 Collection Date/Time: 06/08/12 12:10

Receipt Date/Time: 06/08/12 16:27Project ID: 32-1-17172-013 4501 Lake Otis

Matrix: Water (Surface, Eff., Ground)

Analytical

Batch

Prep

BatchLOQ/CL Units QualifiersParameter Result


DL DF

Benzene 0.300 U 0.500 ug/L VFC11014 VXX235930.150 1

Ethylbenzene 0.620 U 1.00 ug/L VFC11014 VXX235930.310 1

Gasoline Range Organics 0.0620 U 0.100 mg/L VFC11014 VXX235930.0310 1

o-Xylene 0.620 U 1.00 ug/L VFC11014 VXX235930.310 1

P & M -Xylene 1.24 U 2.00 ug/L VFC11014 VXX235930.620 1

Toluene 0.620 U 1.00 ug/L VFC11014 VXX235930.310 1

1,4-Difluorobenzene <surr> 95.1 77-115 % VFC11014 VXX235931

4-Bromofluorobenzene <surr> 89.5 50-150 % VFC11014 VXX235931

Batch Information

Initial Prep Wt./Vol.: 5 mL

Prep Extract Vol.: 5 mL

Analytical Batch: VFC11014

Analytical Method: AK101

Analysis Date/Time: 06/12/12 14:32

Prep Batch: VXX23593

Prep Method: SW5030B

Prep Date/Time: 06/12/12 08:00 Container ID:1122167001-A

Dilution Factor: 1 Analyst: EAB




Analytical Method: SW8021B







Page 7 of 24






Analytical

Batch

Prep


Semivolatile Organic Fuels Department

DL DF

Diesel Range Organics 0.360 U 0.600 mg/L XFC10426 XXX270990.180 1

5a Androstane <surr> 87 50-150 % XFC10426 XXX270991

Batch Information



Analytical Batch: XFC10426



Prep Batch: XXX27099

Prep Method: SW3520C

Prep Date/Time: 06/18/12 08:00 Container ID:1122167001-G

Dilution Factor: 1 Analyst: MEM


Page 8 of 24






Analytical

Batch

Prep


Volatile Gas Chromatography/Mass Spectroscopy

DL DF

cis-1,2-Dichloroethene 0.620 U 1.00 ug/L VMS12887 VXX235920.310 1

Tetrachloroethene 0.620 U 1.00 ug/L VMS12887 VXX235920.310 1

Trichloroethene 0.620 U 1.00 ug/L VMS12887 VXX235920.310 1

Vinyl chloride 0.620 U 1.00 ug/L VMS12887 VXX235920.310 1

1,2-Dichloroethane-D4 <surr> 105 70-120 % VMS12887 VXX235921

4-Bromofluorobenzene <surr> 100 75-120 % VMS12887 VXX235921

Toluene-d8 <surr> 99.4 85-120 % VMS12887 VXX235921

Batch Information



Analytical Batch: VMS12887





Prep Date/Time: 06/12/12 08:16 Container ID:1122167001-D

Dilution Factor: 1 Analyst: JPI


Page 9 of 24






Analytical

Batch

Prep



DL DF






Toluene 0.440J 1.00 ug/L VFC11014 VXX235930.310 1



Batch Information




















Page 10 of 24






Analytical

Batch

Prep



DL DF

Diesel Range Organics mg/L XFC10426 XXX270991

5a Androstane <surr> 87.7 50-150 % XFC10426 XXX270991

Batch Information











Page 11 of 24






Analytical

Batch

Prep



DL DF








Batch Information











Page 12 of 24


Client Sample ID: 32-1-17172-013-WTB1




Analytical

Batch

Prep



DL DF









Batch Information




















Page 13 of 24






Analytical

Batch

Prep



DL DF






4-Bromofluorobenzene <surr> 98.4 75-120 % VMS12887 VXX235921


Batch Information











Page 14 of 24

Matrix

SGS Ref.#

Client Name

Project Name/#

Printed Date/Time 06/28/2012 14:42Batch

Method

Date

Prep

1092402 Method Blank


32-1-17172-013 4501 Lake Otis

Water (Surface, Eff., Ground)

VXX23592

SW5030B

06/12/2012

QC results affect the following production samples:

1122167001, 1122167002, 1122167003

Parameter Results LOQ/CL UnitsAnalysis

DateDL


cis-1,2-Dichloroethene 0.620 U 1.00 ug/L 06/12/120.310

Tetrachloroethene 0.620 U 1.00 ug/L 06/12/120.310

Trichloroethene 0.620 U 1.00 ug/L 06/12/120.310

Vinyl chloride 0.620 U 1.00 ug/L 06/12/120.310

Surrogates

1,2-Dichloroethane-D4 <surr> 103 70-120 % 06/12/12

4-Bromofluorobenzene <surr> 98.7 75-120 % 06/12/12

Toluene-d8 <surr> 102 85-120 % 06/12/12

Instrument

Method

Batch VMS12887

SW8260B

Agilent 7890-75MS

Page 15 of 24

Matrix

SGS Ref.#

Client Name

Project Name/#


Method

Date

Prep



32-1-17172-013 4501 Lake Otis


VXX23593

SW5030B

06/12/2012


1122167001, 1122167002, 1122167003


DateDL


Gasoline Range Organics 0.0620 U 0.100 mg/L 06/12/120.0310

Surrogates


Instrument

Method

Batch VFC11014

AK101

Agilent 7890 PID/FID

Benzene 0.300 U 0.500 ug/L 06/12/120.150

Ethylbenzene 0.620 U 1.00 ug/L 06/12/120.310

o-Xylene 0.620 U 1.00 ug/L 06/12/120.310

P & M -Xylene 1.24 U 2.00 ug/L 06/12/120.620

Toluene 0.620 U 1.00 ug/L 06/12/120.310

Surrogates

1,4-Difluorobenzene <surr> 95 77-115 % 06/12/12

Instrument

Method

Batch VFC11014

SW8021B


Page 16 of 24

Matrix

SGS Ref.#

Client Name

Project Name/#


Method

Date

Prep

1092429 Anti-Foam Blank


32-1-17172-013 4501 Lake Otis


VXX23593

SW5030B

06/12/2012


1122167001, 1122167002, 1122167003


DateDL



Surrogates

4-Bromofluorobenzene <surr> 91 % 06/12/12

Instrument

Method

Batch VFC11014

AK101


Benzene 0.300 U 0.500 ug/L 06/12/120.150


o-Xylene 0.620 U 1.00 ug/L 06/12/120.310

P & M -Xylene 1.24 U 2.00 ug/L 06/12/120.620

Toluene 0.620 U 1.00 ug/L 06/12/120.310

Surrogates

1,4-Difluorobenzene <surr> 94.9 % 06/12/12

Instrument

Method

Batch VFC11014

SW8021B


Page 17 of 24

Matrix

SGS Ref.#

Client Name

Project Name/#


Method

Date

Prep



32-1-17172-013 4501 Lake Otis


XXX27099

SW3520C

06/18/2012


1122167001, 1122167002


DateDL


Diesel Range Organics 0.360 U 0.600 mg/L 06/19/120.180

Surrogates

5a Androstane <surr> 86.6 60-120 % 06/19/12

Instrument

Method

Batch XFC10426

AK102

HP 7890A FID SV E F

Page 18 of 24

Matrix

SGS Ref.#

Client Name

Project Name/#

Printed Date/Time 06/28/2012 14:42

Batch

Method

Date

Prep

1092403 Lab Control Sample

1092404 Lab Control Sample Duplicate


32-1-17172-013 4501 Lake Otis


VXX23592

SW5030B

06/12/2012


1122167001, 1122167002, 1122167003

ParameterQC

Results

Pct

Recov

Spiked

Amount

Analysis

DateRPDLCS/LCSD

Limits

RPD

Limits


cis-1,2-Dichloroethene LCS 27.9 93 ( 70-125 ) 30 ug/L 06/12/2012

LCSD 27.0 90 3 (< 20 ) 30 ug/L 06/12/2012

Tetrachloroethene LCS 30.5 102 ( 45-150 ) 30 ug/L 06/12/2012

LCSD 30.0 100 2 (< 20 ) 30 ug/L 06/12/2012

Trichloroethene LCS 30.0 100 ( 70-125 ) 30 ug/L 06/12/2012

LCSD 29.1 97 3 (< 20 ) 30 ug/L 06/12/2012

Vinyl chloride LCS 29.1 97 ( 50-145 ) 30 ug/L 06/12/2012

LCSD 29.5 98 2 (< 20 ) 30 ug/L 06/12/2012

Surrogates

1,2-Dichloroethane-D4 <surr> LCS 95 ( 70-120 ) 06/12/2012

LCSD 95 1 06/12/2012

4-Bromofluorobenzene <surr> LCS 98 ( 75-120 ) 06/12/2012

LCSD 98 0 06/12/2012

Toluene-d8 <surr> LCS 101 ( 85-120 ) 06/12/2012

LCSD 101 0 06/12/2012

Batch

Method

Instrument

VMS12887

SW8260B

Agilent 7890-75MS

Page 19 of 24

Matrix

SGS Ref.#

Client Name

Project Name/#


Batch

Method

Date

Prep




32-1-17172-013 4501 Lake Otis


VXX23593

SW5030B

06/12/2012


1122167001, 1122167002, 1122167003

ParameterQC

Results

Pct

Recov

Spiked

Amount

Analysis

DateRPDLCS/LCSD

Limits

RPD

Limits


Benzene LCS 105 105 ( 80-120 ) 100 ug/L 06/12/2012

LCSD 108 108 2 (< 20 ) 100 ug/L 06/12/2012

Ethylbenzene LCS 108 108 ( 75-125 ) 100 ug/L 06/12/2012

LCSD 110 110 2 (< 20 ) 100 ug/L 06/12/2012

o-Xylene LCS 106 106 ( 80-120 ) 100 ug/L 06/12/2012

LCSD 107 107 1 (< 20 ) 100 ug/L 06/12/2012

P & M -Xylene LCS 213 107 ( 75-130 ) 200 ug/L 06/12/2012

LCSD 218 109 2 (< 20 ) 200 ug/L 06/12/2012

Toluene LCS 106 106 ( 75-120 ) 100 ug/L 06/12/2012

LCSD 109 109 2 (< 20 ) 100 ug/L 06/12/2012

Surrogates

1,4-Difluorobenzene <surr> LCS 99 ( 77-115 ) 06/12/2012

LCSD 100 1 06/12/2012

Batch

Method

Instrument

VFC11014

SW8021B


Page 20 of 24

Matrix

SGS Ref.#

Client Name

Project Name/#


Batch

Method

Date

Prep




32-1-17172-013 4501 Lake Otis


VXX23593

SW5030B

06/12/2012


1122167001, 1122167002, 1122167003

ParameterQC

Results

Pct

Recov

Spiked

Amount

Analysis

DateRPDLCS/LCSD

Limits

RPD

Limits


Gasoline Range Organics LCS 0.997 100 ( 60-120 ) 1.00 mg/L 06/12/2012

LCSD 0.995 100 0 (< 20 ) 1.00 mg/L 06/12/2012

Surrogates


LCSD 93 4 06/12/2012

Batch

Method

Instrument

VFC11014

AK101


Page 21 of 24

Matrix

SGS Ref.#

Client Name

Project Name/#


Batch

Method

Date

Prep




32-1-17172-013 4501 Lake Otis


XXX27099

SW3520C

06/18/2012


1122167001, 1122167002

ParameterQC

Results

Pct

Recov

Spiked

Amount

Analysis

DateRPDLCS/LCSD

Limits

RPD

Limits


Diesel Range Organics LCS 15.3 77 ( 75-125 ) 20 mg/L 06/19/2012

LCSD 18.4 92 19 (< 20 ) 20 mg/L 06/19/2012

Surrogates

5a Androstane <surr> LCS 76 ( 60-120 ) 06/19/2012

LCSD 87 14 06/19/2012

Batch

Method

Instrument

XFC10426

AK102

HP 7890A FID SV E F

Page 22 of 24

of 5

LABORATORY DATA REVIEW CHECKLIST CS Report Name: 2012 Progress Sampling and Monitoring Well Installation, 4501 Lake Otis Parkway, Anchorage, Alaska Date: October 2012 Laboratory Report Date: 7/25/2012 Consultant Firm: Shannon & Wilson, Inc. Completed by: Jessica Busey Title: Environmental Scientist Laboratory Name: SGS Environmental Services, Inc. Work Order Number:

1122167

ADEC File Number: 2100.38.511 (NOTE: NA = not applicable; Text in italics added by Shannon & Wilson, Inc.)






b. Correct analyses requested? Yes / No Comments:



Yes / No Comments: Sample cooler temperature blanks were 6.9° C.


32-1-17172-014, 4501 Lake Otis Parkway, Anchorage, Alaska Page 2 of 5



vials)? Yes / No Comments: No undesireable sample conditions noted.


containers/preservation, sample temperatures outside range, insufficient sample size, missing samples)? NA / Yes / No Comments:


Comments: No, the samples were collected within 4 hours of submittal to the laboratory.

4. Case Narrative


b. Discrepancies, errors or QC failures noted by the lab? None Noted / Yes Comments:

c. Were corrective actions documented? None Noted / Yes Comments: No corrective actions warranted because no discrepancies were noted.

d. What is the effect on data quality/usability, according to the case narrative? Comments: The case narrative does not comment on data quality/usability.

5. Sample Results

a. Correct analyses performed/reported as requested on COC? Yes / No

Comments:


c. All soils reported on a dry-weight basis? NA / Yes / No Comments: No soil samples submitted for this work order.

d. Are the reported LOQs less than the Cleanup Level or the minimum required detection level for the project? Yes / No Comments:



e. Data quality or usability affected? Explain. Comments: No.

6. QC Samples

a. Method Blank


Yes / No Comments:



Comments:






ii. Metals/Inorganics - One LCS and one sample duplicate reported per matrix, analysis and 20 samples? N/A / Yes / No Comments: No metals/inorganics submitted

iii. Accuracy – All percent recoveries (%R) reported and within method or laboratory limits? And project specified DQOs, if applicable. (AK petroleum methods: AK101 60%-120%, AK102 75%-125%, AK103 60%-120%; all other analyses see the laboratory QC pages) Yes / No Comments:




v. If %R or RPD is outside of acceptable limits, what samples are affected? NA Comments:


vii. Data quality or usability affected? Explain. Comments: No.



ii. Accuracy – All percent recoveries (%R) reported and within method or laboratory limits? And project specified DQOs if applicable. (AK Petroleum methods 50-150 %R; all other analyses see the laboratory report pages) NA / Yes / No Comments:

iii. Do the sample results with failed surrogate recoveries have data flags? NA Yes / No Comments: If so, are the data flags clearly defined? NA / Yes / No Comments:

iv. Data quality or usability affected? Explain. Comments: No.



Comments:

ii. Is the cooler used to transport the trip blank and volatile samples clearly indicated on the COC? NA / Yes / No (if no explain): Only one cooler submitted.



iii. All results less than LOQ? NA / Yes / No Comments:

iv. If above LOQ, what samples are affected? Comments: No results above LOQ

v. Data quality or usability affected? Explain. Comments: No.

e. Field Duplicate

i. One field duplicate submitted per matrix, analysis and 10 project samples? Yes / No Comments: Duplicate samples were not submitted as part of this work order, however, duplicate samples were analyzed for this project under separate work orders.


iii. Precision – All relative percent differences (RPDs) less than specified DQOs? (Recommended: 30% for water, 50% for soil) NA / Yes / No Comments:









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1 of 57

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SGS North America Environmental Services – Alaska DivisionProject Manager

Steven Crupi 2012.07.03 15:34:08 -08'00'

Case NarrativeSHANNOT Shannon & Wilson, Inc.1122334 17172-013 4501 Lake Otis

Customer:Project:

SGS North America Inc.


1095608 IB XFC/10430AK102/103 - 5a-Androstane and n-triacontane (surrogates) recoveries are outside QC criteria (biased low). All associated QC and samples have passing recoveries for these surrogates.

* QC comments may be associated with the field samples found in this report. When applicable, comments will be applied to the associated field samples.

2 of 57

17172-013 4501 Lake Otis

Project Manager

[email protected]

Steve Crupi

[email protected]

T: (907) 561-2120 F:

Attn: Jake Gano

5430 Fairbanks St., Ste. 3

Anchorage, AK 99518

Certification:






1122334


Workorder No.:

Client:

Project:



Cover Page

Glossary


Case Narrative







3 of 57














CL Control Limit


DF Dilution Factor




GT Greater Than







LT Less Than


MB Method Blank




R Rejected

RL Reporting Limit







4 of 57


SAMPLE SUMMARY


Project Name: 17172-013 4501 Lake Otis


Analytical Methods


AK101/8021 Combo. AK101




Print Date: 7/3/2012 8:20 am



1122334001 32-1-17172-013-B8MW

1122334002 32-1-17172-013-B9MW

1122334003 32-1-17172-013-B10MW

1122334004 32-1-17172-013-B11MW

1122334005 32-1-17172-013-MW17

1122334006 32-1-17172-013-B3MW(D)

1122334007 32-1-17172-013-B3MW(M)

1122334008 32-1-17172-013-B5MW(D)

1122334009 32-1-17172-013-B1MW(D)

1122334010 32-1-17172-013-B1MW(M)

1122334011 32-1-17172-013-WTB2


5 of 57

Print Date: 7/3/2012 8:20 amDetectable Results Summary




ug/L0.700JTetrachloroethene




mg/L0.145Gasoline Range Organics

ug/L0.180JBenzene


mg/L0.350JDiesel Range Organics


ug/L175cis-1,2-Dichloroethene

ug/L205Tetrachloroethene

ug/L110Trichloroethene





ug/L0.240JBenzene

ug/L0.310Jo-Xylene






ug/L236Trichloroethene


6 of 57

Print Date: 7/3/2012 8:20 amDetectable Results Summary

Client Sample ID: 32-1-17172-013-MW17



mg/L0.0311JGasoline Range Organics

ug/L0.350JToluene





Client Sample ID: 32-1-17172-013-B3MW(D)




Client Sample ID: 32-1-17172-013-B3MW(M)



ug/L0.330JToluene






ug/L0.400Jcis-1,2-Dichloroethene







ug/L53.0cis-1,2-Dichloroethene


ug/L24.1Trichloroethene


7 of 57

Shannon & Wilson, Inc. Print Date: 7/3/2012 8:20 am



Receipt Date/Time: 06/15/12 17:07Project ID: 17172-013 4501 Lake Otis


Analytical

Batch

Prep



DL DF









Batch Information




















8 of 57






Analytical

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Prep



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Batch Information











9 of 57






Analytical

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Prep



DL DF







Toluene-d8 <surr> 101 85-120 % VMS12903 VXX236181

Batch Information








Prep Date/Time: 06/19/12 06:33 Container ID:1122334001-C



10 of 57






Analytical

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Prep



DL DF









Batch Information




















11 of 57






Analytical

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Prep



DL DF



Batch Information











12 of 57






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Batch

Prep



DL DF


Tetrachloroethene 0.700J 1.00 ug/L VMS12903 VXX236180.310 1






Batch Information











13 of 57






Analytical

Batch

Prep



DL DF

Benzene 0.180J 0.500 ug/L VFC11026 VXX236310.150 1


Gasoline Range Organics 0.145 0.100 mg/L VFC11026 VXX236310.0310 1






Batch Information




















14 of 57






Analytical

Batch

Prep



DL DF

Diesel Range Organics 0.350J 0.600 mg/L XFC10430 XXX271590.180 1


Batch Information











15 of 57






Analytical

Batch

Prep



DL DF

cis-1,2-Dichloroethene 175 50.0 ug/L VMS12909 VXX2363615.5 50

Tetrachloroethene 205 50.0 ug/L VMS12909 VXX2363615.5 50

Trichloroethene 110 50.0 ug/L VMS12909 VXX2363615.5 50


1,2-Dichloroethane-D4 <surr> 98.7 70-120 % VMS12903 VXX236181



Batch Information




















16 of 57






Analytical

Batch

Prep



DL DF




o-Xylene 0.310J 1.00 ug/L VFC11026 VXX236310.310 1




4-Bromofluorobenzene <surr> 97 50-150 % VFC11026 VXX236311

Batch Information




















17 of 57






Analytical

Batch

Prep



DL DF



Batch Information











18 of 57






Analytical

Batch

Prep



DL DF



Trichloroethene 236 50.0 ug/L VMS12909 VXX2363615.5 50





Batch Information




















19 of 57






Analytical

Batch

Prep



DL DF



Gasoline Range Organics 0.0311J 0.100 mg/L VFC11026 VXX236310.0310 1




1,4-Difluorobenzene <surr> 94 77-115 % VFC11026 VXX236311


Batch Information




















20 of 57






Analytical

Batch

Prep



DL DF



Batch Information











21 of 57






Analytical

Batch

Prep



DL DF








Batch Information











22 of 57






Analytical

Batch

Prep



DL DF









Batch Information




















23 of 57






Analytical

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DL DF



Batch Information











24 of 57






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Batch Information











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Batch Information








Prep Date/Time: 06/20/12 08:00 Container ID:1122334007-E












26 of 57






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Batch Information











27 of 57






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Batch Information











28 of 57






Analytical

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Prep



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Batch Information




















29 of 57






Analytical

Batch

Prep



DL DF



Batch Information











30 of 57






Analytical

Batch

Prep



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Batch Information











31 of 57






Analytical

Batch

Prep



DL DF









Batch Information




















32 of 57






Analytical

Batch

Prep



DL DF



Batch Information











33 of 57






Analytical

Batch

Prep



DL DF

cis-1,2-Dichloroethene 0.400J 1.00 ug/L VMS12903 VXX236180.310 1







Batch Information











34 of 57






Analytical

Batch

Prep



DL DF









Batch Information




















35 of 57






Analytical

Batch

Prep



DL DF



Batch Information











36 of 57






Analytical

Batch

Prep



DL DF

cis-1,2-Dichloroethene 53.0 1.00 ug/L VMS12903 VXX236180.310 1


Trichloroethene 24.1 1.00 ug/L VMS12903 VXX236180.310 1





Batch Information




















37 of 57






Analytical

Batch

Prep



DL DF









Batch Information




















38 of 57






Analytical

Batch

Prep



DL DF








Batch Information











39 of 57

Matrix

SGS Ref.#

Client Name

Project Name/#


Method

Date

Prep



17172-013 4501 Lake Otis


VXX23618

SW5030B

06/19/2012


1122334001, 1122334002, 1122334003, 1122334004, 1122334005, 1122334006, 1122334007, 1122334008, 1122334009,

1122334010, 1122334011


DateDL






Surrogates


4-Bromofluorobenzene <surr> 101 75-120 % 06/19/12

Toluene-d8 <surr> 101 85-120 % 06/19/12

Instrument

Method

Batch VMS12903

SW8260B

HP 5890 Series II MS1 VJA

40 of 57

Matrix

SGS Ref.#

Client Name

Project Name/#


Method

Date

Prep



17172-013 4501 Lake Otis


XXX27124

SW3520C

06/20/2012


1122334001, 1122334002


DateDL



Surrogates


Instrument

Method

Batch XFC10425

AK102

HP 7890A FID SV E F

41 of 57

Matrix

SGS Ref.#

Client Name

Project Name/#


Method

Date

Prep



17172-013 4501 Lake Otis


VXX23631

SW5030B

06/20/2012


1122334001, 1122334002, 1122334003, 1122334004, 1122334005, 1122334006, 1122334007, 1122334008, 1122334009,

1122334010, 1122334011


DateDL



Surrogates


Instrument

Method

Batch VFC11026

AK101


Benzene 0.300 U 0.500 ug/L 06/20/120.150


o-Xylene 0.620 U 1.00 ug/L 06/20/120.310

P & M -Xylene 1.24 U 2.00 ug/L 06/20/120.620

Toluene 0.620 U 1.00 ug/L 06/20/120.310

Surrogates

1,4-Difluorobenzene <surr> 94.5 77-115 % 06/20/12

Instrument

Method

Batch VFC11026

SW8021B


42 of 57

Matrix

SGS Ref.#

Client Name

Project Name/#


Method

Date

Prep



17172-013 4501 Lake Otis


VXX23636

SW5030B

06/20/2012


1122334003, 1122334004, 1122334010


DateDL





Surrogates



Toluene-d8 <surr> 102 85-120 % 06/20/12

Instrument

Method

Batch VMS12909

SW8260B


43 of 57

Matrix

SGS Ref.#

Client Name

Project Name/#


Method

Date

Prep



17172-013 4501 Lake Otis


XXX27159

SW3520C

06/23/2012


1122334003, 1122334004


DateDL



Surrogates


Instrument

Method

Batch XFC10430

AK102

HP 7890A FID SV E F

44 of 57

Matrix

SGS Ref.#

Client Name

Project Name/#


Method

Date

Prep



17172-013 4501 Lake Otis


XXX27188

SW3520C

06/26/2012


1122334005, 1122334006, 1122334007


DateDL



Surrogates


Instrument

Method

Batch XFC10440

AK102

HP 7890A FID SV E F

45 of 57

Matrix

SGS Ref.#

Client Name

Project Name/#


Method

Date

Prep



17172-013 4501 Lake Otis


XXX27199

SW3520C

06/27/2012


1122334008, 1122334009, 1122334010


DateDL



Surrogates


Instrument

Method

Batch XFC10440

AK102

HP 7890A FID SV E F

46 of 57

Matrix

SGS Ref.#

Client Name

Project Name/#


Batch

Method

Date

Prep




17172-013 4501 Lake Otis


VXX23618

SW5030B

06/19/2012


1122334001, 1122334002, 1122334003, 1122334004, 1122334005, 1122334006, 1122334007, 1122334008, 1122334009, 1122334010,

1122334011

ParameterQC

Results

Pct

Recov

Spiked

Amount

Analysis

DateRPDLCS/LCSD

Limits

RPD

Limits



LCSD 29.5 99 0 (< 20 ) 30 ug/L 06/19/2012


LCSD 29.1 97 2 (< 20 ) 30 ug/L 06/19/2012


LCSD 31.4 105 0 (< 20 ) 30 ug/L 06/19/2012


LCSD 29.2 97 0 (< 20 ) 30 ug/L 06/19/2012

Surrogates


LCSD 99 0 06/19/2012


LCSD 98 0 06/19/2012


LCSD 101 0 06/19/2012

Batch

Method

Instrument

VMS12903

SW8260B


47 of 57

Matrix

SGS Ref.#

Client Name

Project Name/#


Batch

Method

Date

Prep




17172-013 4501 Lake Otis


XXX27124

SW3520C

06/20/2012


1122334001, 1122334002

ParameterQC

Results

Pct

Recov

Spiked

Amount

Analysis

DateRPDLCS/LCSD

Limits

RPD

Limits



LCSD 16.2 81 10 (< 20 ) 20 mg/L 06/22/2012

Surrogates


LCSD 82 5 06/22/2012

Batch

Method

Instrument

XFC10425

AK102

HP 7890A FID SV E F

48 of 57

Matrix

SGS Ref.#

Client Name

Project Name/#


Batch

Method

Date

Prep




17172-013 4501 Lake Otis


VXX23631

SW5030B

06/20/2012


1122334001, 1122334002, 1122334003, 1122334004, 1122334005, 1122334006, 1122334007, 1122334008, 1122334009, 1122334010,

1122334011

ParameterQC

Results

Pct

Recov

Spiked

Amount

Analysis

DateRPDLCS/LCSD

Limits

RPD

Limits


Benzene LCS 105 105 ( 80-120 ) 100 ug/L 06/20/2012

LCSD 103 103 2 (< 20 ) 100 ug/L 06/20/2012


LCSD 104 104 3 (< 20 ) 100 ug/L 06/20/2012

o-Xylene LCS 105 105 ( 80-120 ) 100 ug/L 06/20/2012

LCSD 102 102 3 (< 20 ) 100 ug/L 06/20/2012

P & M -Xylene LCS 211 106 ( 75-130 ) 200 ug/L 06/20/2012

LCSD 205 103 3 (< 20 ) 200 ug/L 06/20/2012

Toluene LCS 106 106 ( 75-120 ) 100 ug/L 06/20/2012

LCSD 104 104 2 (< 20 ) 100 ug/L 06/20/2012

Surrogates


LCSD 100 0 06/20/2012

Batch

Method

Instrument

VFC11026

SW8021B


49 of 57

Matrix

SGS Ref.#

Client Name

Project Name/#


Batch

Method

Date

Prep




17172-013 4501 Lake Otis


VXX23631

SW5030B

06/20/2012


1122334001, 1122334002, 1122334003, 1122334004, 1122334005, 1122334006, 1122334007, 1122334008, 1122334009, 1122334010,

1122334011

ParameterQC

Results

Pct

Recov

Spiked

Amount

Analysis

DateRPDLCS/LCSD

Limits

RPD

Limits



LCSD 0.971 97 8 (< 20 ) 1.00 mg/L 06/20/2012

Surrogates


LCSD 85 14 06/20/2012

Batch

Method

Instrument

VFC11026

AK101


50 of 57

Matrix

SGS Ref.#

Client Name

Project Name/#


Batch

Method

Date

Prep




17172-013 4501 Lake Otis


VXX23636

SW5030B

06/20/2012


1122334003, 1122334004, 1122334010

ParameterQC

Results

Pct

Recov

Spiked

Amount

Analysis

DateRPDLCS/LCSD

Limits

RPD

Limits



LCSD 29.5 98 0 (< 20 ) 30 ug/L 06/20/2012


LCSD 28.5 95 3 (< 20 ) 30 ug/L 06/20/2012


LCSD 31.1 104 0 (< 20 ) 30 ug/L 06/20/2012

Surrogates


LCSD 99 2 06/20/2012


LCSD 99 0 06/20/2012


LCSD 102 1 06/20/2012

Batch

Method

Instrument

VMS12909

SW8260B


51 of 57

Matrix

SGS Ref.#

Client Name

Project Name/#


Batch

Method

Date

Prep




17172-013 4501 Lake Otis


XXX27159

SW3520C

06/23/2012


1122334003, 1122334004

ParameterQC

Results

Pct

Recov

Spiked

Amount

Analysis

DateRPDLCS/LCSD

Limits

RPD

Limits



LCSD 16.7 84 10 (< 20 ) 20 mg/L 06/23/2012

Surrogates


LCSD 88 11 06/23/2012

Batch

Method

Instrument

XFC10430

AK102

HP 7890A FID SV E F

52 of 57

Matrix

SGS Ref.#

Client Name

Project Name/#


Batch

Method

Date

Prep




17172-013 4501 Lake Otis


XXX27188

SW3520C

06/26/2012


1122334005, 1122334006, 1122334007

ParameterQC

Results

Pct

Recov

Spiked

Amount

Analysis

DateRPDLCS/LCSD

Limits

RPD

Limits



LCSD 16.1 80 20 (< 20 ) 20 mg/L 07/01/2012

Surrogates


LCSD 85 17 07/01/2012

Batch

Method

Instrument

XFC10440

AK102

HP 7890A FID SV E F

53 of 57

Matrix

SGS Ref.#

Client Name

Project Name/#


Batch

Method

Date

Prep




17172-013 4501 Lake Otis


XXX27199

SW3520C

06/27/2012


1122334008, 1122334009, 1122334010

ParameterQC

Results

Pct

Recov

Spiked

Amount

Analysis

DateRPDLCS/LCSD

Limits

RPD

Limits



LCSD 17.8 89 3 (< 20 ) 20 mg/L 07/01/2012

Surrogates


LCSD 92 4 07/01/2012

Batch

Method

Instrument

XFC10440

AK102

HP 7890A FID SV E F

54 of 57

55 of 57

56 of 57

57 of 57

of 5


1122334










Yes / No Comments:





vials)? Yes / No Comments: No undesireable sample conditions noted.


containers/preservation, sample temperatures outside range, insufficient sample size, missing samples)? NA / Yes / No Comments: No discrepancies noted.


Comments: No.

4. Case Narrative


b. Discrepancies, errors or QC failures noted by the lab? None Noted / Yes Comments: The DRO/RRO surrogate recoveries were outside QC criteria (low) for the IB.

c. Were corrective actions documented? None Noted / Yes Comments: All associated QC and samples have passing recoveries for these surrogates, no corrective action was warranted.


5. Sample Results


Comments:


c. All soils reported on a dry-weight basis? NA / Yes / No Comments: No soil samples submitted





6. QC Samples

a. Method Blank


Yes / No Comments:



Comments:
















ii. Accuracy – All percent recoveries (%R) reported and within method or laboratory limits? And project specified DQOs if applicable. (AK Petroleum methods 50-150 %R; all other analyses see the laboratory report pages) NA / Yes / No Comments:

iii. Do the sample results with failed surrogate recoveries have data flags? NA Yes / No Comments: No failed recoveries If so, are the data flags clearly defined? NA / Yes / No Comments:




Comments:







e. Field Duplicate

i. One field duplicate submitted per matrix, analysis and 10 project samples? Yes / No Comments: Duplicate samples were not submitted as part of this work order, however, duplicate samples were analyzed for this project under separate work orders.


iii. Precision – All relative percent differences (RPDs) less than specified DQOs? (Recommended: 30% for water, 50% for soil) NA / Yes / No Comments:









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1 of 35

�

SGS North America Environmental Services – Alaska DivisionProject Manager

Steven Crupi 2012.07.03 15:54:24 -08'00'

Case NarrativeSHANNOT Shannon & Wilson, Inc.1122353 17172-013 4501 Lake Otis

Customer:Project:

SGS North America Inc.


1122353002 PS 32-1-17172-013-B4MWDAK102 - Unknown hydrocarbon with several peaks is present.

1122353003 PS 32-1-17172-013-B4MW11AK102 - Unknown hydrocarbon with several peaks is present.

1122353004 PS 32-1-17172-013-B4MWMAK101 - BFB (surrogate) recovery does not meet QC criteria (biased high) due to matrix interference.AK102 - Unknown hydrocarbon with several peaks is present.

* QC comments may be associated with the field samples found in this report. When applicable, comments will be applied to the associated field samples.

2 of 35

17172-013 4501 Lake Otis

Project Manager

[email protected]

Steve Crupi

[email protected]

T: (907)561-2120 F:

Attn: Jessi Morris

5430 Fairbanks Street, Suite 3

Anchorage, AK 99518

Certification:






1122353


Workorder No.:

Client:

Project:



Cover Page

Glossary


Case Narrative







3 of 35














CL Control Limit


DF Dilution Factor




GT Greater Than







LT Less Than


MB Method Blank




R Rejected

RL Reporting Limit







4 of 35


SAMPLE SUMMARY


Project Name: 17172-013 4501 Lake Otis


Analytical Methods


AK101/8021 Combo. AK101




Print Date: 7/3/2012 3:49 pm



1122353001 32-1-17172-013-BSMWM

1122353002 32-1-17172-013-B4MWD

1122353003 32-1-17172-013-B4MW11

1122353004 32-1-17172-013-B4MWM

1122353005 32-1-17172-013-WTB3


5 of 35


Client Sample ID: 32-1-17172-013-BSMWM




Client Sample ID: 32-1-17172-013-B4MWD




ug/L0.370JBenzene

ug/L3.38Toluene

ug/L0.600JEthylbenzene

ug/L3.43o-Xylene

ug/L2.13P & M -Xylene


mg/L1.62Diesel Range Organics



ug/L18.2Tetrachloroethene

ug/L0.330JVinyl chloride


Client Sample ID: 32-1-17172-013-B4MW11



mg/L0.0905JGasoline Range Organics

ug/L0.310JBenzene

ug/L2.39Toluene

ug/L0.430JEthylbenzene

ug/L2.80o-Xylene

ug/L1.66JP & M -Xylene





ug/L16.4Tetrachloroethene

ug/L0.360JVinyl chloride



6 of 35


Client Sample ID: 32-1-17172-013-B4MWM




ug/L26.0Toluene

ug/L2.00Ethylbenzene

ug/L6.08o-Xylene

ug/L9.96P & M -Xylene




ug/L58.6cis-1,2-Dichloroethene




7 of 35






Analytical

Batch

Prep



DL DF









Batch Information




















8 of 35






Analytical

Batch

Prep



DL DF



Batch Information











9 of 35






Analytical

Batch

Prep



DL DF








Batch Information











10 of 35






Analytical

Batch

Prep



DL DF


Ethylbenzene 0.600J 1.00 ug/L VFC11030 VXX236410.310 1


o-Xylene 3.43 1.00 ug/L VFC11030 VXX236410.310 1

P & M -Xylene 2.13 2.00 ug/L VFC11030 VXX236410.620 1

Toluene 3.38 1.00 ug/L VFC11030 VXX236410.310 1



Batch Information




















11 of 35






Analytical

Batch

Prep



DL DF

Diesel Range Organics 1.62 0.600 mg/L XFC10440 XXX272090.180 1


Batch Information











12 of 35






Analytical

Batch

Prep



DL DF


Tetrachloroethene 18.2 1.00 ug/L VMS12922 VXX236610.310 1


Vinyl chloride 0.330J 1.00 ug/L VMS12922 VXX236610.310 1




Batch Information

















Prep Date/Time: 06/26/12 07:50 Container ID:1122353002-F



13 of 35






Analytical

Batch

Prep



DL DF


Ethylbenzene 0.430J 1.00 ug/L VFC11030 VXX236410.310 1

Gasoline Range Organics 0.0905J 0.100 mg/L VFC11030 VXX236410.0310 1


P & M -Xylene 1.66J 2.00 ug/L VFC11030 VXX236410.620 1




Batch Information




















14 of 35






Analytical

Batch

Prep



DL DF



Batch Information











15 of 35






Analytical

Batch

Prep



DL DF


Tetrachloroethene 16.4 1.00 ug/L VMS12922 VXX236610.310 1


Vinyl chloride 0.360J 1.00 ug/L VMS12922 VXX236610.310 1




Batch Information




















16 of 35






Analytical

Batch

Prep



DL DF


Ethylbenzene 2.00 1.00 ug/L VFC11030 VXX236410.310 1



P & M -Xylene 9.96 2.00 ug/L VFC11030 VXX236410.620 1



4-Bromofluorobenzene <surr> 179 50-150 % VFC11030 VXX236411*

Batch Information




















17 of 35






Analytical

Batch

Prep



DL DF



Batch Information











18 of 35






Analytical

Batch

Prep



DL DF

cis-1,2-Dichloroethene 58.6 1.00 ug/L VMS12922 VXX236610.310 1







Batch Information











19 of 35






Analytical

Batch

Prep



DL DF









Batch Information




















20 of 35






Analytical

Batch

Prep



DL DF








Batch Information








Prep Date/Time: 06/19/12 06:51 Container ID:1122353005-B



21 of 35

Matrix

SGS Ref.#

Client Name

Project Name/#


Method

Date

Prep



17172-013 4501 Lake Otis


VXX23635

SW5030B

06/18/2012


1122353002, 1122353003, 1122353005


DateDL






Surrogates



Toluene-d8 <surr> 102 85-120 % 06/19/12

Instrument

Method

Batch VMS12908

SW8260B


22 of 35

Matrix

SGS Ref.#

Client Name

Project Name/#


Method

Date

Prep



17172-013 4501 Lake Otis


VXX23637

SW5030B

06/21/2012


1122353001, 1122353005


DateDL



Surrogates


Instrument

Method

Batch VFC11029

AK101


Benzene 0.300 U 0.500 ug/L 06/21/120.150


o-Xylene 0.620 U 1.00 ug/L 06/21/120.310

P & M -Xylene 1.24 U 2.00 ug/L 06/21/120.620

Toluene 0.620 U 1.00 ug/L 06/21/120.310

Surrogates

1,4-Difluorobenzene <surr> 94.4 77-115 % 06/21/12

Instrument

Method

Batch VFC11029

SW8021B


23 of 35

Matrix

SGS Ref.#

Client Name

Project Name/#


Method

Date

Prep



17172-013 4501 Lake Otis


VXX23641

SW5030B

06/22/2012


1122353002, 1122353003, 1122353004


DateDL



Surrogates


Instrument

Method

Batch VFC11030

AK101

Agilent 7890A PID/FID

Benzene 0.300 U 0.500 ug/L 06/22/120.150


o-Xylene 0.620 U 1.00 ug/L 06/22/120.310

P & M -Xylene 1.24 U 2.00 ug/L 06/22/120.620

Toluene 0.620 U 1.00 ug/L 06/22/120.310

Surrogates

1,4-Difluorobenzene <surr> 100 77-115 % 06/22/12

Instrument

Method

Batch VFC11030

SW8021B


24 of 35

Matrix

SGS Ref.#

Client Name

Project Name/#


Method

Date

Prep



17172-013 4501 Lake Otis


VXX23661

SW5030B

06/26/2012


1122353001, 1122353002, 1122353003, 1122353004


DateDL






Surrogates

1,2-Dichloroethane-D4 <surr> 99.6 70-120 % 06/26/12


Toluene-d8 <surr> 99.9 85-120 % 06/26/12

Instrument

Method

Batch VMS12922

SW8260B


25 of 35

Matrix

SGS Ref.#

Client Name

Project Name/#


Method

Date

Prep



17172-013 4501 Lake Otis


XXX27209

SW3520C

06/28/2012


1122353001, 1122353002, 1122353003, 1122353004


DateDL


Diesel Range Organics 0.219J 0.600 mg/L 07/01/120.180

Surrogates


Instrument

Method

Batch XFC10440

AK102

HP 7890A FID SV E F

26 of 35

Matrix

SGS Ref.#

Client Name

Project Name/#


Batch

Method

Date

Prep




17172-013 4501 Lake Otis


VXX23635

SW5030B

06/18/2012


1122353002, 1122353003, 1122353005

ParameterQC

Results

Pct

Recov

Spiked

Amount

Analysis

DateRPDLCS/LCSD

Limits

RPD

Limits



LCSD 28.6 95 3 (< 20 ) 30 ug/L 06/19/2012


LCSD 33.2 111 2 (< 20 ) 30 ug/L 06/19/2012


LCSD 31.0 103 3 (< 20 ) 30 ug/L 06/19/2012


LCSD 28.8 96 3 (< 20 ) 30 ug/L 06/19/2012

Surrogates


LCSD 100 4 06/19/2012


LCSD 98 3 06/19/2012


LCSD 100 0 06/19/2012

Batch

Method

Instrument

VMS12908

SW8260B


27 of 35

Matrix

SGS Ref.#

Client Name

Project Name/#


Batch

Method

Date

Prep




17172-013 4501 Lake Otis


VXX23637

SW5030B

06/21/2012


1122353001, 1122353005

ParameterQC

Results

Pct

Recov

Spiked

Amount

Analysis

DateRPDLCS/LCSD

Limits

RPD

Limits


Benzene LCS 104 104 ( 80-120 ) 100 ug/L 06/21/2012

LCSD 105 105 1 (< 20 ) 100 ug/L 06/21/2012


LCSD 108 108 1 (< 20 ) 100 ug/L 06/21/2012

o-Xylene LCS 105 105 ( 80-120 ) 100 ug/L 06/21/2012

LCSD 106 106 1 (< 20 ) 100 ug/L 06/21/2012

P & M -Xylene LCS 211 105 ( 75-130 ) 200 ug/L 06/21/2012

LCSD 214 107 1 (< 20 ) 200 ug/L 06/21/2012

Toluene LCS 106 106 ( 75-120 ) 100 ug/L 06/21/2012

LCSD 107 107 1 (< 20 ) 100 ug/L 06/21/2012

Surrogates


LCSD 100 0 06/21/2012

Batch

Method

Instrument

VFC11029

SW8021B


28 of 35

Matrix

SGS Ref.#

Client Name

Project Name/#


Batch

Method

Date

Prep




17172-013 4501 Lake Otis


VXX23637

SW5030B

06/21/2012


1122353001, 1122353005

ParameterQC

Results

Pct

Recov

Spiked

Amount

Analysis

DateRPDLCS/LCSD

Limits

RPD

Limits



LCSD 1.05 105 1 (< 20 ) 1.00 mg/L 06/21/2012

Surrogates


LCSD 100 3 06/21/2012

Batch

Method

Instrument

VFC11029

AK101


29 of 35

Matrix

SGS Ref.#

Client Name

Project Name/#


Batch

Method

Date

Prep




17172-013 4501 Lake Otis


VXX23641

SW5030B

06/22/2012


1122353002, 1122353003, 1122353004

ParameterQC

Results

Pct

Recov

Spiked

Amount

Analysis

DateRPDLCS/LCSD

Limits

RPD

Limits


Benzene LCS 113 113 ( 80-120 ) 100 ug/L 06/22/2012

LCSD 111 111 2 (< 20 ) 100 ug/L 06/22/2012


LCSD 107 107 4 (< 20 ) 100 ug/L 06/22/2012

o-Xylene LCS 106 106 ( 80-120 ) 100 ug/L 06/22/2012

LCSD 110 110 4 (< 20 ) 100 ug/L 06/22/2012

P & M -Xylene LCS 212 106 ( 75-130 ) 200 ug/L 06/22/2012

LCSD 220 110 4 (< 20 ) 200 ug/L 06/22/2012

Toluene LCS 101 101 ( 75-120 ) 100 ug/L 06/22/2012

LCSD 103 103 3 (< 20 ) 100 ug/L 06/22/2012

Surrogates


LCSD 105 3 06/22/2012

Batch

Method

Instrument

VFC11030

SW8021B


30 of 35

Matrix

SGS Ref.#

Client Name

Project Name/#


Batch

Method

Date

Prep




17172-013 4501 Lake Otis


VXX23641

SW5030B

06/22/2012


1122353002, 1122353003, 1122353004

ParameterQC

Results

Pct

Recov

Spiked

Amount

Analysis

DateRPDLCS/LCSD

Limits

RPD

Limits



LCSD 0.945 95 4 (< 20 ) 1.00 mg/L 06/22/2012

Surrogates


LCSD 108 2 06/22/2012

Batch

Method

Instrument

VFC11030

AK101


31 of 35

Matrix

SGS Ref.#

Client Name

Project Name/#


Batch

Method

Date

Prep




17172-013 4501 Lake Otis


VXX23661

SW5030B

06/26/2012


1122353001, 1122353002, 1122353003, 1122353004

ParameterQC

Results

Pct

Recov

Spiked

Amount

Analysis

DateRPDLCS/LCSD

Limits

RPD

Limits



LCSD 29.1 97 0 (< 20 ) 30 ug/L 06/26/2012


LCSD 30.1 100 2 (< 20 ) 30 ug/L 06/26/2012


LCSD 31.2 104 0 (< 20 ) 30 ug/L 06/26/2012


LCSD 30.6 102 2 (< 20 ) 30 ug/L 06/26/2012

Surrogates


LCSD 100 1 06/26/2012


LCSD 94 1 06/26/2012


LCSD 99 0 06/26/2012

Batch

Method

Instrument

VMS12922

SW8260B


32 of 35

Matrix

SGS Ref.#

Client Name

Project Name/#


Batch

Method

Date

Prep




17172-013 4501 Lake Otis


XXX27209

SW3520C

06/28/2012


1122353001, 1122353002, 1122353003, 1122353004

ParameterQC

Results

Pct

Recov

Spiked

Amount

Analysis

DateRPDLCS/LCSD

Limits

RPD

Limits



LCSD 18.0 90 5 (< 20 ) 20 mg/L 07/01/2012

Surrogates


LCSD 92 4 07/01/2012

Batch

Method

Instrument

XFC10440

AK102

HP 7890A FID SV E F

33 of 35

34 of 35

35 of 35

of 6


1122353










Yes / No Comments:





vials)? Yes / No Comments: Several VOAs contained bubbles.


containers/preservation, sample temperatures outside range, insufficient sample size, missing samples)? NA / Yes / No Comments: Sample B5MWM did not have any VOAs without bubbles, the lab acquired authorization from the sampler to run the sample.


Comments: No.

4. Case Narrative


b. Discrepancies, errors or QC failures noted by the lab? None Noted / Yes Comments: The GRO surrogate recoveries were outside QC criteria (high) for Sample B4MWM.

c. Were corrective actions documented? None Noted / Yes Comments:


5. Sample Results


Comments:


c. All soils reported on a dry-weight basis? NA / Yes / No Comments: No soil samples submitted





6. QC Samples

a. Method Blank


Yes / No Comments:



Comments:
















ii. Accuracy – All percent recoveries (%R) reported and within method or laboratory limits? And project specified DQOs if applicable. (AK Petroleum methods 50-150 %R; all other analyses see the laboratory report pages) NA / Yes / No Comments: The GRO surrogate recovery for Sample B4MWM is outside QC goals (high).

iii. Do the sample results with failed surrogate recoveries have data flags? NA Yes / No Comments: The failed surrogate recovery is flagged, but the sample result is not flagged in the lab report. The result is flagged in our report tables. If so, are the data flags clearly defined? NA / Yes / No Comments:

iv. Data quality or usability affected? Explain. Comments: The reported GRO concentration for Sample B4MWM may be biased high, the GRO result has been flagged in the project tables.



Comments:







e. Field Duplicate

i. One field duplicate submitted per matrix, analysis and 10 project samples? Yes / No Comments: Sample B4MW11 is a duplicate of Sample B4MWD.


iii. Precision – All relative percent differences (RPDs) less than specified DQOs? (Recommended: 30% for water, 50% for soil) NA / Yes / No Comments: Toluene and ethylbenzene had RPDs greater than the DQOs, 150 and 120 percent respectively. Note that at least one sample contained estimated concentrations of these target analytes.

iv. Data quality or usability affected? Explain. Comments: No. The failed RPDs were for concentrations that are significantly less than the applicable cleanup levels, the data is considered usable for the purposes of this project.






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