detroit bulk storage, inc. emissions spreadsheet drop ...€¦ · (npi) emission estimation...

DETROIT BULK STORAGE, INC.

EMISSIONS SPREADSHEET

UPDATED AS OF 4/22/14 AT 12:38 PMDrop Operations

Emissions Factor (EF) Formula = k (0.0032) (((U/5)^1.3))/((M/2)^1.4)

E = dust emission per unit of material handled, lb/ton

k = particle size multiplier (0.35 for PM10, and 0.053 for PM2.5)

U = mean wind speed, mphM = moisture content of the bulk material, %

AP-42, Section 13.2.4. Equation 1.

Parameter PM2.5 PM10

M- Moisture content, % a 8 8

k - particle size multiplier 0.053 0.35

U1 - Mean wind speed, mph b 8.95 8.95

U2 - Wind speed with wind barrier, mph c 1.3 1.3

Wet Suppression Control Efficiency, % d 70 70

Uncontrolled EF, lb/ton 5.19E-05 3.43E-04

Controlled EF (wet suppression), lb/ton 1.56E-05 1.03E-04

Controlled EF with wind barrier, lb/ton 1.27E-06 8.37E-06

d Control efficiency for wet dust suppression based on National Pollutant Inventory

(NPI) Emission Estimation Technique Manual for Mining Version 2.3, Environment

Australia, December 5, 2001, Table 3. Estimated Control Factors for Various Mining

Operations

c Assuming wind barrier; Minimum specified wind speed range in AP-42, Table

13.2.4-1

b Average of hourly wind speeds from 2008-2012 from KDTW NWS Observation

Station obtained from AERMOD meteorological data file.

a Lee, J.M., Baker, J.J., Rolle, J.G., Llerena, R., n.d. Comparison of Fuel Properties of

Petroleum Cokes and Coals Used in Power Generation. A.J. Edmond Co., 80-89.

Retrieved from http://web.anl.gov/PCS/acsfuel/preprint%20archive/Files/

44_1_ANAHEIM_03-99_0080.pdf



UPDATED AS OF 4/22/14 AT 12:38 PM

Emissions ProcessMaterial handled PM2.5 EF

PM2.5 Emission

Rate PM10 EF

PM10 Emission

Rate

ton/day lb/ton lb/day lb/ton lb/dayHaul truck unloading 900 1.27E-06 1.14E-03 8.37E-06 7.54E-03Front end loader unloading to storage pile

or conveyor

900 1.27E-06 1.14E-03 8.37E-06 7.54E-03

Front end loader unloading to conveyor 900 1.27E-06 1.14E-03 8.37E-06 7.54E-03Conveyor dumping to storage pile 300 5.19E-05 1.56E-02 3.43E-04 1.03E-01

Conveyor loading freighter 900 5.19E-05 4.67E-02 3.43E-04 3.09E-01




Equation 1, AP-42 13.2.4



UPDATED AS OF 4/22/14 AT 12:38 PMStorage Pile Surface Travel

E = k ((s/12)^a)((w/3)^b))

AP-42, Section 13.2.2. Equation 1a.

PM2.5 PM10

s a 1.6 1.6

k b 0.15 1.5

a b

0.9 0.9

b b 0.45 0.45

W c

40 40a 9/15/2013 RTI Laboratories Petroleum Coke ASTM-D422 Analysisb AP-42, Table 13.2.2-2.c Estimated average weight of front end loader.

Loader Travel E (PM2.5) E (PM10)

Dust Control

Efficiency aPM2.5 Emission

Rate

PM10 Emission

Rate

mi/day lb/VMT lb/VMT % lb/day lb/day

1.3 0.0785 0.7848 90 0.0102 0.1020

Equation Parametersa

a Estimated for application of chemical wetting agents or foam to storage piles (Cowherd, 1981. Control of Windblown Dust

From Storage Piles. Environmental International , 6: 307-311.)

b = Empirical constant equal 0.45W = Average weight of the vehicles traveling on the surface, tons

E = Dust emission per vehicle mile traveled, lb/VMT

s = Silt content of the bulk material, %k = Particle size multiplier for industrial roadsa = Particle size dependent constant



UPDATED AS OF 4/22/14 AT 12:38 PMStorage Pile Wind Erosion

s = silt content of aggregate, %

p = number of days with > 0.25 mm (0.01 in.) of precipitation per year

f = percentage of time that the unobstructed wind speed exceeds 5.4 m/s (12 mph) at the mean pile height

U.S. EPA, 1988. Control of Open Fugitive Dust Sources (EPA-450/3-88-008). Eq. 4-9: p 4-17.

s a

1.6

p b

130

f c 23.5a 9/15/2013 RTI Laboratories Petroleum Coke ASTM-D422 Analysisb AP-42, Figure 13.2.1-2.c Based on hourly met data from KDTW obtained from AERMOD meteorological data file.

Storage

Pile Area

Dust Control

Efficiency a E E Econtrolled

PM10

Emissions bPM2.5

Emissions b

acre % (lb/day)/acre lb/day lb/day lb/day lb/day

1.14 90 3.1751 3.6196 0.3620 0.1810 0.0274

b U.S. EPA, 1988. Control of Open Fugitive Dust Sources (EPA-450/3-88-008): PM10 Emissions = 0.5 * Econtrolled

c Based on the ratio of particle size multipliers (k) from AP-42, 13.2.4-4. PM2.5 Emissions = PM10 emissions * 0.053/0.35

E = 1.9 (s/1.5)((365 - p)/235))(f/15)

E = total suspended particulate emission factor, (lb/day)/acre

Equation Parameters

a Estimated for application of chemical wetting agents or foam to storage piles (Cowherd, 1981. Control of Windblown

Dust From Storage Piles. Environmental International , 6: 307-311.)




E=k(sL)0.91 * (W)1.02

k = particle size multipler for particle size range and units of interest

sL = road surface silt loading, g/m2

W = average weight of the vehicles traveling the road, tonsAP-42, Section 13.2.1. Equation 1.

k for PM2.5 a

0.00054

k for PM10 a

0.0022

sL, g/m2 b 8.2

W, tons c 40a AP-42, Section 13.2.1.3.

c Estimated average weight of haul truck.

PM2.5 PM10

lb/VMT lb/VMT0.1578 1.1150

Road Road Length

Trucks

Traveled Truck Usage

Distance

Traveled

Dust Control

Efficiency a

PM2.5 Emission

Rate

PM10 Emission

Ratemi Trucks/day Trips/truck VMT/day % lb/day lb/day

2-Way Haul Road 0.08 19 2 2.99 90 0.0471 0.33291-Way Haul Road 0.12 19 1 2.20 90 0.0348 0.2458

Paved Haul Roads

E= particulate emissions factor, (lb/day)/mi

Particulate Emissions Factor, E

Equation Parameters

a Control efficiency for periodic water flushing followed by sweeping from Table 5 in Chapter 4 of the AWMA Air Pollution Control Engineering Manual

2nd Ed. pg 145.

b AP-42, Table 13.2.1-3. The silt loading for a quarry was

utilized as Detroit Bulk operations do not include

crushing and grinding as in sand and gravel processing.

detroit bulk storage, inc. emissions spreadsheet drop ...€¦ · (npi) emission estimation...

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