## B-1 

# Appendix B

2008 Base Year Average Winter Day Carbon Monoxide (CO) Emissions Inventory For St. Louis County and St. Louis City

Missouri Department of Natural Resources Division of Environmental Quality Air Pollution Control Program Jefferson City, Missouri

Adoption March 27, 2014

Project Number: 1971-CO-5

## B-2 

# Table of Contents

PROJECT NUMBER: 1971-CO-5 TABLE OF CON TENTS ..................................................................................... 1

LIST OF TABLES ................................................................................................................ ....................................... 3

AVERAGE WINTER DAY CO EMI SSIONS INVENTOR Y SUMM ARY ........................................................... 4

APPENDIX B-1 2008 POINT AND AREA SOURCE EMISSIONS ................................................................ 4

APPENDIX B-2 2008 AREA SOURCE AVERAGE WINTER DAY EMISSIONS ....................................... 6

APPENDIX B-3 ON-ROAD MOBILE SOURCE EMISSIONS ..................................................................... 15

APPENDIX B-4 2008 OFF-ROAD MOBILE SOURCE EMISSIONS .......................................................... 17

APPENDIX B-5 TEMPORAL ALLOCATION METHODOLOGY APPLIED TO RESIDENTIAL FUEL

COMBUSTION AREA SOURCE CATEGORIES ............................................................................................. ... 18

COUNTY NONATTAINMENT AREA ..................................................................................................... ............. 20

QA/QC ......................................................................................................................... ............................................... 22

## B-3 

# List of Tables

Table B-1 2008 Average Winter Day CO Emissions Inventory Summary for St. Louis County and St. Louis City

Table B-2 2008 Point Source CO Emissions for St. Louis County and St. Louis City

Table B-3 2008 Area Source Average Wint er Day CO Emissions (Excluding Residential Fuel Combustion)

Table B-4 2008 Average Winter Day CO Emis sions for Residential Fuel Combustion

Table B-5 2008 Area Source CO Emissions Summary for St. Louis County and St. Louis City

Table B-6 SCC Codes and Desc riptions for Marine and Rail Source Categories Not Included in the Analysis for Area Source Emissions

Table B-7 2008 On-Road Mobile Source Winter Month CO Emissions for St. Louis County and St. Louis City

Table B-8 2008 On-Road Mobile Source Aver age Winter Day CO Emissions for St. Louis County and St. Louis City

Table B-9 2008 Off-Road Mobile Source Emissions for St. Louis County and St. Louis City (Excludes Marine and Rail Emissions)

Table B-10 2008 Marine and Rail Emissions for St. Louis County and St. Louis City

Table B-11 2008 Total Off-Road Mobile Source Emissions for St. Louis County and St. Louis City

Table B-12 Calculation of Average Janua ry Day Temporal Allocation Factors for

Residential Fuel Combustion SCCs

## B-4 

# Average Winter Day CO Emi ssions Inventory Summary

Table B-1 2008 Average Winter Day CO Emis sions Inventory Summary for St. Louis County and St. Louis City

Geographic Area Source Category 2008 CO Emissions (Tons/Average Winter Day)

St. Louis County Point Sources 13.65

St. Louis County Area Sources 52.33

St. Louis County On Road Mobile Sources 425.49

St. Louis County Off Road Mobile Sources 211.50

St. Louis County subtotal 702.97

St. Louis City Point Sources 3.61

St. Louis City Area Sources 17.93

St. Louis City On Road Mobile Sources 106.93

St. Louis City Off Road Mobile Sources 38.97

St. Louis City subtotal 167.44

Total (St. Louis City and County) Point Sources 17.26

Total (St. Louis City and County) Area Sources 70.26

Total (St. Louis City and Count y) On Road Mobile Sources 532.42

Total (St. Louis City and Count y) Off Road Mobile Sources 250.48

Total (St. Louis City and County) Total 870.42

* - subtotals may not sum due to rounding

## B-5 

# Appendix B-1 2008 Point and Area Source Emissions

The 2008 point source emissions by county for St . Louis County and St. Louis City are summarized below in Table B-2 for an average wint er day. The development of the annual point source emissions inventory is detailed in A ppendix A, the 2008 Base Year Annual Carbon Monoxide Emissions Inventory for St. Louis county and St. Louis City. The average winter day emissions listed in Table B-2 were develope d by dividing the 2008 annual CO emissions from point sources in St. Louis County a nd St. Louis City and dividing by 366.

Table B-2

2008 Point Source CO Emissions for St . Louis County and St. Louis City

Geographic Area 2008 Point Source CO Emissions (Tons/Average Winter Day) St. Louis County 13.65
St. Louis City 3.61

Totals 17.26

## B-6 

# Appendix B-2 2008 Area Source Average Winter Day Emissions

The development of the 2008 annual CO emissions inventory is detailed in Appendix A. In order to calculate average winter day CO emissi ons for the all area source categories other than residential fuel combustion, the annual emissi ons were divided by 366. The 2008 average winter day CO emissions for all area source categories by SCC other than residential fuel combustion

are listed in Table B-3.

In order to calculate average winter day emi ssions for residential fu el combustion the Air Program used the EPA’s temporal allocation me thod. A summary of EPA’s temporal allocation method can be found in Appendix B-5. The 2008 average winter day CO emissions for all residential fuel combustion source categories by SCC are listed in Table B-4. The average winter day CO emissions invent ory summary for all area sour ces is listed in Table B-5.

When calculating the area source emissions, certai n mobile source categories are calculated with methods similar to area sources, particularly ma rine and rail categories. Although these off road mobile source categories were calculated with area source methodologies, they are not included in the area source inventory lis ted in Table B-5. The sour ce classification codes (SCCs) pertaining to these off-road mob ile sources that were calculated with area source methodologies are listed in Table B-6, and the emissions from th ese categories are included as off-road mobile

source emissions.B-7Table B-3 2008 Area Source Average Winter Day CO Emissions (Excluding Residential Fuel Combustion)Geographic AreaSCCSCC Level OneSCC Level TwoSCC Level ThreeSCC Level Four2008 CO Emissions(lbs./Average Winter Day)St. Louis County 2102001000Stationary SourceFuel CombustionAnthracite Coal Industrial Total: All Boiler Types-St. Louis County 2102002000Stationary SourceFuel CombustionBituminous/SubbituminousCoalIndustrial Total: All Boiler Types1,651.20St. Louis County 2102004000Stationary SourceFuel CombustionDistillate Oil Industrial Total: Boilers and IC Engines7.87St. Louis County 2102005000Stationary SourceFuel CombustionResidual Oil Industrial Total: All Boiler Types2.24St. Louis County 2102006000Stationary SourceFuel CombustionNatural Gas Industrial Total: Boilers and IC Engines22.62St. Louis County 2102007000Stationary SourceFuel CombustionLiquefied Petroleum Gas(LPG)Industrial Total: All Boiler Types-St. Louis County 2102008000Stationary SourceFuel CombustionWood Industrial Total: All Boiler Types1,167.10St. Louis County 2102011000Stationary SourceFuel CombustionKerosene Industrial Total: All Boiler Types-St. Louis County 2103001000Stationary SourceFuel CombustionAnthracite Coal Commercial/Institutional Total: All Boiler Types-St. Louis County 2103002000Stationary SourceFuel CombustionBituminous/SubbituminousCoalCommercial/Institutional Total: All Boiler Types11.48St. Louis County 2103004000Stationary SourceFuel CombustionDistillate Oil Commercial/Institutional Total: Boilers and IC Engines0.11St. Louis County 2103005000Stationary SourceFuel CombustionResidual Oil Commercial/Institutional Total: All Boiler Types-St. Louis County 2103006000Stationary SourceFuel CombustionNatural Gas Commercial/Institutional Total: Boilers and IC Engines60.49St. Louis County 2103007000Stationary SourceFuel CombustionLiquefied Petroleum Gas(LPG)Commercial/Institutional Total: All Combustor Types3.88St. Louis County 2103008000Stationary SourceFuel CombustionWood Commercial/Institutional Total: All Boiler Types11.75St. Louis County 2103011000Stationary SourceFuel CombustionKerosene Commercial/Institutional Total: All Combustor Types0.05B-8Geographic AreaSCCSCC Level OneSCC Level TwoSCC Level ThreeSCC Level Four2008 CO Emissions(lbs./Average Winter Day)St. Louis County 2104002000Stationary SourceFuel CombustionBituminous/SubbituminousCoalResidential Total: All Combustor Types417.4863St. Louis County 2104004000Stationary SourceFuel CombustionDistillate Oil Residential Total: All Combustor Types5.79235St. Louis County 2104006000Stationary SourceFuel CombustionNatural Gas Residential Total: All Combustor Types2758.251St. Louis County 2104007000Stationary SourceFuel CombustionLiquified Petroleum Gas(LPG)Residential Total: All Combustor Types24.59016St. Louis County 2104008100Stationary SourceFuel CombustionWood Residential Fireplace: general7475.137St. Louis County 2104008210Stationary SourceFuel CombustionWood ResidentialWoodstove: fireplace inserts;non-EPA certified11727.87St. Louis County 2104008220Stationary SourceFuel CombustionWood ResidentialWoodstove: fireplace inserts;EPA certified; non-catalytic2053.607St. Louis County 2104008230Stationary SourceFuel CombustionWood ResidentialWoodstove: fireplace inserts;EPA certified; catalytic506.5574St. Louis County 2104008310Stationary SourceFuel CombustionWood ResidentialWoodstove: freestanding, non-EPA certified9610.765St. Louis County 2104008320Stationary SourceFuel CombustionWood ResidentialWoodstove: freestanding, EPAcertified, non-catalytic1880.109St. Louis County 2104008330Stationary SourceFuel CombustionWood ResidentialWoodstove: freestanding, EPAcertified, catalytic464.4262St. Louis County 2104008400Stationary SourceFuel CombustionWood ResidentialWoodstove: pellet-fired, general(freestanding or FP insert)213.5519St. Louis County 2104008510Stationary SourceFuel CombustionWood ResidentialFurnace: Indoor, cordwood-fired, non-EPA certified2260St. Louis County 2104008610Stationary SourceFuel CombustionWood Residential Hydronic heater: outdoor4162.131St. Louis County 2104009000Stationary SourceFuel CombustionFirelog Residential Total: All Combustor Types806.1202St. Louis County 2104011000Stationary SourceFuel CombustionKerosene Residential Total: All Heater Types3.060109St. Louis County 2302002100 Industrial ProcessesCommercial Cooking -CharbroilingFood and KindredProducts: SIC 20Conveyorized Charbroiling123.99B-9Geographic AreaSCCSCC Level OneSCC Level TwoSCC Level ThreeSCC Level Four2008 CO Emissions(lbs./Average Winter Day)St. Louis County 2302002200 Industrial ProcessesCommercial Cooking -CharbroilingFood and KindredProducts: SIC 20Under-fired Charbroiling351.80St. Louis County 2302003000 Industrial ProcessesCommercial Cooking -FryingFood and KindredProducts: SIC 20Deep Fat Fying-St. Louis County 2302003100 Industrial ProcessesCommercial Cooking -FryingFood and KindredProducts: SIC 20Flat Griddle Frying44.92St. Louis County 2302003200 Industrial ProcessesCommercial Cooking -FryingFood and KindredProducts: SIC 20Clamshell Griddle Frying-St. Louis County Total47,829.02St. Louis City 2102001000Stationary SourceFuel CombustionAnthracite Coal Industrial Total: All Boiler Types-St. Louis City 2102002000Stationary SourceFuel CombustionBituminous/SubbituminousCoalIndustrial Total: All Boiler Types986.56St. Louis City 2102004000Stationary SourceFuel CombustionDistillate Oil Industrial Total: Boilers and IC Engines4.70St. Louis City 2102005000Stationary SourceFuel CombustionResidual Oil Industrial Total: All Boiler Types1.37St. Louis City 2102006000Stationary SourceFuel CombustionNatural Gas Industrial Total: Boilers and IC Engines11.15St. Louis City 2102007000Stationary SourceFuel CombustionLiquefied Petroleum Gas(LPG)Industrial Total: All Boiler Types-St. Louis City 2102008000Stationary SourceFuel CombustionWood Industrial Total: All Boiler Types758.14St. Louis City 2102011000Stationary SourceFuel CombustionKerosene Industrial Total: All Boiler Types-St. Louis City 2103001000Stationary SourceFuel CombustionAnthracite Coal Commercial/Institutional Total: All Boiler Types-St. Louis City 2103002000Stationary SourceFuel CombustionBituminous/SubbituminousCoalCommercial/Institutional Total: All Boiler Types11.37St. Louis City 2103004000Stationary SourceFuel CombustionDistillate Oil Commercial/Institutional Total: Boilers and IC Engines0.11St. Louis City 2103005000Stationary SourceFuel CombustionResidual Oil Commercial/Institutional Total: All Boiler Types-B-10Geographic AreaSCCSCC Level OneSCC Level TwoSCC Level ThreeSCC Level Four2008 CO Emissions(lbs./Average Winter Day)St. Louis City 2103006000Stationary SourceFuel CombustionNatural Gas Commercial/Institutional Total: Boilers and IC Engines42.95St. Louis City 2103007000Stationary SourceFuel CombustionLiquefied Petroleum Gas(LPG)Commercial/Institutional Total: All Combustor Types3.33St. Louis City 2103008000Stationary SourceFuel CombustionWood Commercial/Institutional Total: All Boiler Types12.08St. Louis City 2103011000Stationary SourceFuel CombustionKerosene Commercial/Institutional Total: All Combustor Types0.05St. Louis City 2104002000Stationary SourceFuel CombustionBituminous/SubbituminousCoalResidential Total: All Combustor Types67.06St. Louis City 2104004000Stationary SourceFuel CombustionDistillate Oil Residential Total: All Combustor Types0.85St. Louis City 2104006000Stationary SourceFuel CombustionNatural Gas Residential Total: All Combustor Types178.48St. Louis City 2104007000Stationary SourceFuel CombustionLiquified Petroleum Gas(LPG)Residential Total: All Combustor Types2.32St. Louis City 2104008100Stationary SourceFuel CombustionWood Residential Fireplace: general440.92St. Louis City 2104008210Stationary SourceFuel CombustionWood ResidentialWoodstove: fireplace inserts;non-EPA certified641.76St. Louis City 2104008220Stationary SourceFuel CombustionWood ResidentialWoodstove: fireplace inserts;EPA certified; non-catalytic137.55St. Louis City 2104008230Stationary SourceFuel CombustionWood ResidentialWoodstove: fireplace inserts;EPA certified; catalytic35.48St. Louis City 2104008310Stationary SourceFuel CombustionWood ResidentialWoodstove: freestanding, non-EPA certified595.41St. Louis City 2104008320Stationary SourceFuel CombustionWood ResidentialWoodstove: freestanding, EPAcertified, non-catalytic116.06St. Louis City 2104008330Stationary SourceFuel CombustionWood ResidentialWoodstove: freestanding, EPAcertified, catalytic29.04St. Louis City 2104008400Stationary SourceFuel CombustionWood ResidentialWoodstove: pellet-fired, general(freestanding or FP insert)14.17St. Louis City 2104008510Stationary SourceFuel CombustionWood ResidentialFurnace: Indoor, cordwood-fired, non-EPA certified141.36B-11Geographic AreaSCCSCC Level OneSCC Level TwoSCC Level ThreeSCC Level Four2008 CO Emissions(lbs./Average Winter Day)St. Louis City 2104008610Stationary SourceFuel CombustionWood Residential Hydronic heater: outdoor260.87St. Louis City 2104009000Stationary SourceFuel CombustionFirelog Residential Total: All Combustor Types53.5St. Louis City 2104011000Stationary SourceFuel CombustionKerosene Residential Total: All Heater Types0.45St. Louis City 2302002100 Industrial ProcessesCommercial Cooking -CharbroilingFood and KindredProducts: SIC 20Conveyorized Charbroiling44.32St. Louis City 2302002200 Industrial ProcessesCommercial Cooking -CharbroilingFood and KindredProducts: SIC 20Under-fired Charbroiling140.87St. Louis City 2302003000 Industrial ProcessesCommercial Cooking -FryingFood and KindredProducts: SIC 20Deep Fat Fying-St. Louis City 2302003100 Industrial ProcessesCommercial Cooking -FryingFood and KindredProducts: SIC 20Flat Griddle Frying11.80St. Louis City 2302003200 Industrial ProcessesCommercial Cooking -FryingFood and KindredProducts: SIC 20Clamshell Griddle Frying-St. Louis City Total16,866.5Combined St. Louis County and St. Louis City Total64,695.5B-12Table B-4 2008 Average Winter Day CO Emissions for Residential Fuel CombustionGeographic AreaSCCSCC Level OneSCC Level TwoSCC LevelThreeSCC Level Four2008 CO Emissions(lbs./Average Winter Day)St. Louis County 2104002000Stationary Source FuelCombustionBituminous/Subbituminous CoalResidential Total: All Combustor Types952.57St. Louis County 2104004000Stationary Source FuelCombustionDistillate Oil Residential Total: All Combustor Types13.22St. Louis County 2104006000Stationary Source FuelCombustionNatural Gas Residential Total: All Combustor Types6,293.46St. Louis County 2104007000Stationary Source FuelCombustionLiquefied Petroleum Gas(LPG)Residential Total: All Combustor Types24.66St. Louis County 2104008100Stationary Source FuelCombustionWood Residential Fireplace: general17,055.89St. Louis County 2104008210Stationary Source FuelCombustionWood ResidentialWoodstove: fireplace inserts; non-EPAcertified26,759.28St. Louis County 2104008220Stationary Source FuelCombustionWood ResidentialWoodstove: fireplace inserts; EPAcertified; non-catalytic4,685.68St. Louis County 2104008230Stationary Source FuelCombustionWood ResidentialWoodstove: fireplace inserts; EPAcertified; catalytic1,155.80St. Louis County 2104008310Stationary Source FuelCombustionWood ResidentialWoodstove: freestanding, non-EPAcertified21,928.72St. Louis County 2104008320Stationary Source FuelCombustionWood ResidentialWoodstove: freestanding, EPA certified,non-catalytic4,289.81St. Louis County 2104008330Stationary Source FuelCombustionWood ResidentialWoodstove: freestanding, EPA certified,catalytic1,059.67St. Louis County 2104008400Stationary Source FuelCombustionWood ResidentialWoodstove: pellet-fired, general(freestanding or FP insert)487.26St. Louis County 2104008510Stationary Source FuelCombustionWood ResidentialFurnace: Indoor, cordwood-fired, non-EPA certified5,156.60St. Louis County 2104008610Stationary Source FuelCombustionWood Residential Hydronic heater: outdoor9,496.66St. Louis County 2104009000Stationary Source FuelCombustionFire log Residential Total: All Combustor Types1,839.31St. Louis County 2104011000Stationary Source FuelCombustionKerosene Residential Total: All Heater Types3.07St. Louis County Total101,201.67St. Louis City 2104002000Stationary Source FuelCombustionBituminous/Subbituminous CoalResidential Total: All Combustor Types836.12St. Louis City 2104004000Stationary Source FuelCombustionDistillate Oil Residential Total: All Combustor Types10.60St. Louis City 2104006000Stationary Source FuelCombustionNatural Gas Residential Total: All Combustor Types2,225.33St. Louis City 2104007000Stationary Source FuelCombustionLiquefied Petroleum Gas(LPG)Residential Total: All Combustor Types12.71St. Louis City 2104008100Stationary Source FuelCombustionWood Residential Fireplace: general5,497.48B-13Geographic AreaSCCSCC Level OneSCC Level TwoSCC LevelThreeSCC Level Four2008 CO Emissions(lbs./Average Winter Day)St. Louis City 2104008210Stationary Source FuelCombustionWood ResidentialWoodstove: fireplace inserts; non-EPAcertified8,001.60St. Louis City 2104008220Stationary Source FuelCombustionWood ResidentialWoodstove: fireplace inserts; EPAcertified; non-catalytic1,715.00St. Louis City 2104008230Stationary Source FuelCombustionWood ResidentialWoodstove: fireplace inserts; EPAcertified; catalytic442.37St. Louis City 2104008310Stationary Source FuelCombustionWood ResidentialWoodstove: freestanding, non-EPAcertified7,423.70St. Louis City 2104008320Stationary Source FuelCombustionWood ResidentialWoodstove: freestanding, EPA certified,non-catalytic1,447.06St. Louis City 2104008330Stationary Source FuelCombustionWood ResidentialWoodstove: freestanding, EPA certified,catalytic362.08St. Louis City 2104008400Stationary Source FuelCombustionWood ResidentialWoodstove: pellet-fired, general(freestanding or FP insert)176.67St. Louis City 2104008510Stationary Source FuelCombustionWood ResidentialFurnace: Indoor, cordwood-fired, non-EPA certified1,762.51St. Louis City 2104008610Stationary Source FuelCombustionWood Residential Hydronic heater: outdoor3,252.58St. Louis City 2104009000Stationary Source FuelCombustionFire log Residential Total: All Combustor Types667.05St. Louis City 2104011000Stationary Source FuelCombustionKerosene Residential Total: All Heater Types2.47St. Louis City Total33,835.33Combined St. Louis County and St. Louis City Total135,037.00

## B-14 Table B-5 2008 Area Source CO Emissions Summary for St. Louis County and St. Louis City

Geographic Area 2008 Area Source CO Emissions (Tons/Average Winter Day) St. Louis County 52.33
St. Louis City 17.93

Totals 70.26



## Table B-6 SCC Codes and Descriptions for Marine and Rail Source Categories Not Included in the Analysis for Area Source Emissions

SCC SCC Level One SCC Level Two SCC Level Three SCC Level Four

2280002100 Mobile Sources Diesel Marine Vessels,

Commercial Port emissions

2280002200 Mobile Sources Diesel Marine Vessels, Commercial Underway emissions

2285002006 Mobile Sources Diesel Railroad Equipment Line Haul Locomotives: Class I Operations

2285002007 Mobile Sources Diesel Railroad Equipment Line Haul Locomotives: Class II / III Operations

## B-15 

# Appendix B-3 On-Road Mobile Source Emissions

EPA released the Mobile Vehicle Emissi on System (MOVES) in December of 2010, and

MOVES is now the official model to use fo r mobile emissions modeling. Annual 2008 mobile emissions were initially crea ted using Mobile6.2 via the Na tional Mobile Inventory Model (NMIM) for Missouri for the purpose of subm itting state wide emissions data for EPA’s 2008 National Emissions Inventory (NEI). The NMIM National County Database (NCD) was updated with Missouri specific data. Local vehicle m iles traveled (VMT) data, vehicle registration distributions, and meteorology data from th e updated NCD were converted to MOVES formatting using EPA provided conversion workbooks.

The emissions for 2008 were calculated using 2008 VMT data provided by the East West Gateway Council of Governments. The 2008 VMT data was originally generated from the Missouri Department of Transportation for state- owned roads, and then East-West Gateway used

their Traffic Demand Model to calculate the actual local VMT data for each of the five counties

on the Missouri side of the St. Louis Ozone nonattainment area.

The road type distribution in th e baseyearvmt table from the NC D was used to distribute the county level VMT to road type. EPA’s VMT converter workbook was then used to produce MOVES input tables. A vehicle re gistration distribution was origin ally created for NMIM using registration data from Missouri’s Department of Revenue. The vehicle distribution was converted to MOVES age di stribution table using EPA’ s VMT converter workbook. The registration data was also used to create th e MOVES vehicle population input tables. Vehicle

counts were converted from Mobile 6.2 vehicle cl asses to MOVES source types using the source type fractions from the Source Type Pop Frac tions table in EPA’s VMT converter workbook.

St. Louis City and St. Louis County both partic ipate in the Gateway Vehicle Inspection Program (GVIP). For counties subject to Emission In spection/Maintenance (I /M) Programs, MOVES allows for an I/M input table to be created to describe the program in those counties. An I/M input table was created to de scribe the GVIP for St. Louis City and St. Louis County. Development of the table was in accordance with EPA technical guidan ce on appropriate input assumptions and sources of data for the us e of MOVES 2010 in State Implementation Plans ( http://www.epa.gov/otaq/models/moves/420b10023.pdf ). Documentation for the development protocol for the I/M input tabl e can be found in Appendix A-6.

MOVES base data was used for all other inputs, af ter reviewing the data to ensure accuracy. The base fuel supply tables in MOVES were used for the runs, as they alread y took into account the reformulated gasoline used in the St. Louis nona ttainment area. A separate input database was created for each county, using county specific da ta where possible. All of the MOVES input tables, other than templates where EPA default da ta was used, which were used to create the 2008 on-road mobile emissions inventory referre d to in Section 3 of this CO Limited Maintenance Plan can be found in Appendix A.

The MOVES model runs were set up selecting all available gasoline and diesel fuel vehicle type combinations, all months, days, hours, and all road types. A separate run was set-up for St. Louis

## B-16 County and St. Louis City. The emissions were post-aggregated to the month level using

MOVES.

Once MOVES input tables had been created, MOVES 2010a was run and all months for 2008 were selected to create an annual emissions prof ile. The emissions for the months of December, January, February, and March were totaled and divided by 122 days (2008 was a leap year), the number of days in those months, to give average wint er day emissions

Table B-7 summarizes the 2008 on-road emissi ons for the months of December, January, February, and March as calculated using M OVES 2010A for St. Louis County and St. Louis City. Table B-8 summarizes the average winter day emissions of CO for St. Louis County and St. Louis City. All of the MOVES inputs that were used to create the 2008 annual on-road mobile emissions inventory that were then used to generate the average winter day emissions can be found in Appendix A.

Table B-7

2008 On-Road Mobile Source Winter Month CO Emissions for St. Louis County and St. Louis City

Geographic Area / Month 2008 On Road Mobile Source CO Emissions (Tons) St. Louis County / January 15,077.55 St. Louis County / February 12,011.11 St. Louis County / March 11,845.30 St. Louis County / December 12,975.47 St. Louis County (Winter Total) 51,909.43
St. Louis City / January 3,767.59
St. Louis City / February 3,008.64
St. Louis City / March 3,014.92
St. Louis City / December 3,254.01
St. Louis City (Winter Total) 13,045.15



## Table B-8 2008 On-Road Mobile Source Average Winter Day CO Emissions for St. Louis County and St. Louis City

Geographic Area 2008 On Road Mobile Source CO Emissions (Tons/Average Winter Day) St. Louis County 425.49
St. Louis City 106.93

Totals 532.42

## B-17 

# Appendix B-4 2008 Off-Road Mobile Source Emissions

The Air Program Staff followed the 2008 and 2022 modeling protocol submitted by EPA Region 7 to the Department for the development of the 2008 off-road mobile emissions with some exceptions. The Staff used 3.5% oxygen weight instead of 0.35% and 100% ethanol blend market instead if 10%. The EPA Region V II modeling protocol for 2008 and 2022 Off-Road

Mobile Source Emissions in the St. Louis Nona ttainment area can be found in Appendix B-6 of this document. The data generated by the Air Program Staff for the 2008 off-road mobile source emissions for St. Louis County and St. L ouis City is summarized in Table B-9.

Due to the methods that are used to calculate the emissions for the marine and rail categories, these categories are sometimes included as area source emissions, although they really should be

classified as off-road mobile source emissions. Therefore, the emissions for rail and marine are

not included in the total area source emissions. The 2008 emissions for marine, rail, and air

sources are summarized for St. Louis County and St. Louis City in Table B-10. The total 2008

off-road mobile source emissions for St. Louis C ounty and St. Louis City are listed in Table B11.

Table B-9

2008 Off-Road Mobile Source Emissions fo r St. Louis County and St. Louis City (Tons/Average Winter Day)

Area CO
St. Louis County 207.36
St. Louis City 38.26

Totals 245.62



## Table B-10 2008 Marine, Rail, and Air Emissions for St. Louis County and St. Louis City (Tons/Winter Day)

Area CO
St. Louis County 4.15
St. Louis City 0.72

Totals 4.86



## Table B-11 Total 2008 Off-Road Mobile Source Emissions for St. Louis County and St. Louis City (Tons/Winter Day)

Area CO
St. Louis County 211.50
St. Louis City 38.98

Totals 250.48

## B-18 

# Appendix B-5 Temporal Allocation Methodology Applied to Residential Fuel Combustion Area Source Categories

The procedures summarized in this Appendix ar e based on the April 29, 2002 memorandum from Gregory Stella, U.S. EPA, “Temporal Allocation of Annual Emissions using EMCH Temporal Profiles” ( http://www.epa.gov/ttn/chief/emch/te mporal/temporal_factors_042902.pdf ).

Area Source categories for residential fuel combus tion were calculated on an annual basis for 2008. Because residential fuel combustion takes place primarily in the winter months, as opposed to simply dividing the annual emissions by 365 to get averag e winter day emissions, these annual emissions were multiplied by a temporal allocation factor for an aver age day in January through the following calculation

steps:

The first step is to determine the monthly profile fo r the particular source classification code using EPA’s temporal cross reference file which can be found at the following website: http://www.epa.gov/ttnchie1/emch/temporal/ . The next step is to correlate the monthly profile to a monthly profile factor for the month of interest as well as a total monthly profile factor using EPA’s temporal profile document, which can be found at the sa me website. In order to calculate the fraction of annual emissions for a particular month (January), the monthly profile factor for a specific month is divided by the total monthly profile factor:

Fraction of Annual Emissions for January = (Ja nuary Profile Factor / Total Monthly Factor)

Then, in order to calculate the temporal allocation f actor for an average monthly day, an average day per year is used in the calculation because the monthly profile factors are not weighted for the specific number of days in each month. So the temporal allo cation factor for an average January day is calculated

as follows:

Temporal Allocation Factor for an Average Day in January = (Fraction of Annual Emissions for January) / (D ays per Year (365) / Months per Year (12))

Example:



## Residential Bituminous/Subbituminous Coal Combustion (SCC = 2104002000)

Monthly Profile for SCC 2104002000 = 485

Monthly Profile 485: January Monthly Profile Factor = 190 Total Monthly Profile Factor = 1002

Fraction of Annual Emissions for January = 190 / 1002 = 0.189621

Temporal Allocation Factor for an Average Day in January = (0.189621) / (365 / 12) = 0.0062341

This temporal allocation factor can then be multiplied by the annual emissions of this SCC in order to calculate the emissions of this SCC for an average January day. Table B-12 gives the monthly profiles and the profile factors for all residential fuel co mbustion SCCs along with the calculated temporal allocation factors for an average January day.

## B-19 Table B-12 Calculation of Average January Day Temporal Allocation Factors for

Residential Fuel Combustion SCCs

SCC Monthly Profile # January Monthly
Profile Factor Total Monthly
Profile Factor Temporal Allocation Factor for an Average January Day

2104002000 485 190 1002 0.0062341

2104004000 485 190 1002 0.0062341

2104006000 485 190 1002 0.0062341

2104007000 262 83 996 0.0027397

2104008100 485 190 1002 0.0062341

2104008210 485 190 1002 0.0062341

2104008220 485 190 1002 0.0062341

2104008230 485 190 1002 0.0062341

2104008310 485 190 1002 0.0062341

2104008320 485 190 1002 0.0062341

2104008330 485 190 1002 0.0062341

2104008400 485 190 1002 0.0062341

2104008510 485 190 1002 0.0062341

2104008610 485 190 1002 0.0062341

2104009000 485 190 1002 0.0062341

2104011000 262 83 996 0.0027397

## B-20 

# Appendix B-6 EPA Region 7 Off-Road Emi ssions Modeling Protocol for 2008 and 2022 for the St. Louis, Missouri-Five County Nonattainment Area

For this modeling exercise, the EPA Region 7 ut ilized the NONROAD2008a model to calculate an ozone and PM2.5 nonroad inventory in five coun ties in the St. Louis n onattainment area for the 1997 PM2.5 annual and 1997 Ozone NAAQS. The NONROAD2008a model provides the emissions for all nonroad source categories excep t aircraft, commercial marine vessel, and

railroad locomotive.

In running the NONROAD model, the user must specify a modeling scen ario by the inventory year, geographic area (nation, stat e, county), period (annual, seas onal, monthly, daily), and the equipment categories. For all other required variables, the NONROAD model provides default input values. For the following modeling exerci ses, fuel parameters (Reid Vapor Pressure (RVP), oxygen weight, sulfur content, ethanol vo lume and market percentage) and temperatures for each geographical area were provided by MDNR in lieu of the modeling default settings for more accurate results (see attachment).

Ozone Precursor Emissions

Ozone Methodology/Input Data Nonroad mobile source emissions for the year s of 2008 and 2022 are calculated using the EPA approved model, NONROAD2008a, and included Franklin County, Jefferson County, St. Charles County, St. Louis County and St. Loui s City in St. Louis, Missouri. For modeling ozone precursor pollutants, temperatur es and fuel characteris tics representative of each county during an ozone summer weekday, we re entered into NONROAD2a and modeled to

calculate an ozone season wee kday emissions for nonroad source s. Minimum, maximum, and average temperatures for a typical summer seas on were provided by MDNR (see attachment). Modeling input parameters are as follows:

Table B-13 NONROAD Model Temperature & Fuel Char acteristic Input Values by County

County Oxygen Weight

% RVP psi Gasoline

Sulfur

% Diesel

Sulfur Marine

Diesel

Sulfur

% CNG /

LPG

Sulfur

% Temperatures

Min. Max. Avg.

Franklin 0.35 7 0.0049 0.0355 0.0402 0.003 61.8 90 75.96

Jefferson 0.35 7 0.0049 0.0355 0.0402 0.003 61 88.6 75.16

St. Charles 0.35 7 0.0049 0.0355 0.0402 0.003 62.2 89.2 76.15

St. Louis 0.35 7 0.0049 0.0355 0.0402 0.003 64.1 89.5 77.1

St. Louis City 0.35 7 0.0049 0.0355 0.0402 0.003 65.1 89.8 77.72

## B-21 Direct PM 2.5 

## / PM 2.5 

## Precursor Emissions

Methodology/Input Data Nonroad mobile source emissions for the year s of 2008 and 2022 were calculated using the EPA approved model, NONROAD2008a, and included Franklin County, Jefferson County, St. Charles County, St. Louis County and St. L ouis City in St. Louis, Missouri. For modeling PM 2.5 

## and PM 2.5 

## precursor pollutants, temperatures and fuel characteristics representative of each county for ea ch of the four seasons (winter, spring, summer, and fall) were entered into the NONROAD2008a model as input parameters. The highest temperature and lowest temperature from each three month period (December-February, March-May, JuneAugust, and September-November) were averaged to create a seasonal average temperature. Those seasonal average temperatures, seasona l minimum and seasonal maximum temperatures were then utilized in the model, including the fuel parameters, to calculate the total emissions for each county and season. Summing the emissions of all four seasons for each county gave the total annual emissions. The temperatures and fuel characteristics represen tative of each county were provided by MDNR. Modeling i nput parameters are as follows:

Table B-14 NONROAD Model Temperature & Fuel Characte ristic Input Values by County & Season

County Season Oxygen Weight

% RVP psi Gasoline

Sulfur

% Diesel

Sulfur Marine

Diesel

Sulfur

% CNG

/ LPG

Sulfur

% Temperatures

Min. Max. Avg.

Franklin Winter 0.35 11.5 0.0043 0.0355 0.0402 0.003 19.7 47 33.4 Franklin Spring 0.35 9 0.0046 0.0355 0.0402 0.003 33.5 76.9 55.2

Franklin Summer 0.35 7 0.0049 0.0355 0.0402 0.003 61.8 90 75.9

Franklin Autumn 0.35 9 0.0046 0.0355 0.0402 0.003 34.3 80.9 57.6

Jefferson Winter 0.35 11.5 0.0043 0.0355 0.0402 0.003 18.6 45.6 32.1 Jefferson Spring 0.35 9 0.0046 0.0355 0.0402 0.003 32.4 75.8 54.1

Jefferson Summer 0.35 7 0.0049 0.0355 0.0402 0.003 61 88.6 74.8

Jefferson Autumn 0.35 9 0.0046 0.0355 0.0402 0.003 33.6 79.8 56.7

St. Charles Winter 0.35 11.5 0.0043 0.0355 0.0402 0.003 18.7 43.9 31.3 St. Charles Spring 0.35 9 0.0046 0.0355 0.0402 0.003 32.3 75.8 54.1

St. Charles Summer 0.35 7 0.0049 0.0355 0.0402 0.003 62.2 89.2 75.7

St. Charles Autumn 0.35 9 0.0046 0.0355 0.0402 0.003 34.8 80.3 57.6

St. Louis Winter 0.35 11.5 0.0043 0.0355 0.0402 0.003 19.8 44.2 32 St. Louis Spring 0.35 9 0.0046 0.0355 0.0402 0.003 34.5 76.1 55.3

St. Louis Summer 0.35 7 0.0049 0.0355 0.0402 0.003 64.1 89.5 76.8

St. Louis Autumn 0.35 9 0.0046 0.0355 0.0402 0.003 35.5 80.2 57.9

St. Louis City Winter 0.35 11.5 0.0043 0.0355 0.0402 0.003 20.7 45.5 32.6

St. Louis City Spring 0.35 9 0.0046 0.0355 0.0402 0.003 35.7 76.4 56

St. Louis City Summer 0.35 7 0.0049 0.0355 0.0402 0.003 65.1 89.8 77.5

St. Louis City Autumn 0.35 9 0.0046 0.0355 0.0402 0.003 36.6 80.4 58.5

## B-22 QA/QC Quality control and quality assurance were conducted throughout this nonroad modeling process.

Data collected from various data sources were ve rified and correctly ente red or transcribed into the model. In some instances, input values, i.e., temperatures and fuel values were double and/or triple checked for accuracy to insure they corresponded to the data supplied by MDNR. In addition, a spot-checking of the modeling results , including rerunning the model for those results in question, was perfor med to insure reliability.