Vancouver Portion of the Portland-Vancouver Ozone Maintenance Plan

2002 Attainment Emission InventoryClark County Maintenance AreaOzone Precursors - VOC, NOx and CO

pounds per typical ozone season day; tons per year based on annual average

2002

VOC NOx CO

lb/day tpy lb/day tpy lb/day tpy

Point Sources

Large Point Sources 3,572 652 6,089 1,111 3,803 694

Area Sources

Small Point Sources 494 90 223 41 180 33

Stationary Source Fuel Combustion

Residential - Fuel Oil 0 0 2 10 1 3Residential - Gas 2 8 28 134 12 57Residential - LPG 0 0 2 12 1 3Commercial/Institutional - Fuel Oil 0 0 1 0 0 0Commercial/Institutional - Natural Gas 6 6 2 243 72 49 14

Woodstoves/Fireplaces 0 8,529 0 302 0 18,224

Solvent Utilization - Area Sources

Architectural Coatings - Solvent-based 1,723 254Architectural Coatings - Water-based 1,492 220Traffic Markings 715 112Factory Finished Wood: SIC 2426 thru 242 280 42Metal Cans: SIC 341 386 60Metal Coils: SIC 3498 153 24Machinery and Equipment: SIC 35 137 22Motor Vehicles: SIC 371 28 4Marine: SIC 373 191 30All Degreasing 2 1,872 293

All Graphic Arts 5 1,165 213Emulsified Asphalt 656 103Miscellaneous Non-industrial: Consumer and Commercial 3 6,446 1,177

Petroleum Storage and Transport

Gasoline Stations - Stage I 352 64Gasoline Stations - Stage II 1,359 248

Waste Disposal Treatment and Recovery

Open Burning - Yard Waste 180 43 0 0 1,324 313Open Burning - Residential Household Waste 378 69 166 30 2,347 428

Miscellaneous Area Sources

Structure Fires 1 4 1 22

Wildfires - no wildfires in Clark county 0Prescribed Burning for Forest Management 1 26 1 378

Total Area Sources 18,014 11,636 665 602 3,912 19,476

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Vancouver Portion of the Portland-Vancouver Ozone Maintenance Plan

2002 Attainment Emission InventoryClark County Maintenance AreaOzone Precursors - VOC, NOx and CO

pounds per typical ozone season day; tons per year based on annual average

2002

VOC NOx CO

lb/day tpy lb/day tpy lb/day tpy

Nonroad/Nonroad Mobile

Locomotive emissions 4 252 46 5,463 997 602 110

Agricultural Equipment 90 7 636 50 771 59Airport Equipment 0 0 2 0 3 0Commercial Equipment 1,108 171 760 128 29,881 4,398Construction and Mining Equipment 2,081 191 11,455 1,050 17,944 1,584Industrial Equipment 785 104 3,207 431 12,763 1,646Lawn and Garden Equipment (Com) 6,196 615 1,058 101 111,049 9,012Lawn and Garden Equipment (Res) 2,394 306 219 33 43,173 4,941Logging Equipment 183 29 290 46 1,232 186Pleasure Craft 801 128 49 10 1,654 312Railroad Equipment 6 1 26 4 81 11Recreational Equipment 1,477 199 56 9 8,926 1,143

Total Nonroad 15,374 1,797 23,222 2,859 228,078 23,402Onroad Mobile Sources

Light Duty Gasoline Vehicles 18,816 3,052 13,077 2,582 182,960 36,183Trucks gross weight up to 6000 lbs 11,729 1,977 8,477 1,616 133,030 28,764Trucks gross weight rating 6001-8500 lbs 5,052 843 3,743 724 58,044 11,983Motorcycles 320 39 110 24 1,420 206Heavy Duty Gasoline Vehicles 1,398 191 3,400 600 17,826 2,766Light Duty Diesel Vehicle 23 4 39 7 45 8Light Duty Diesel Truck 40 7 57 10 66 11Heavy Duty Diesel Vehicle 937 161 21,592 3,709 4,592 789

Total Onroad Mobile Sources 38,315 6,274 50,495 9,272 397,983 80,700Total Natural Sources (Biogenics) 79,417 14,494 965 176Total All Sources 154,692 34,852 81,436 14,020 633,776 124,271Total Anthropogenic Sources (All sources - biogenics) 75,275 20,359 80,471 13,844 633,776 124,271

1not included in seasonally adjusted lb/day, 

because wildfires unlikely due to urban/suburban characteristic of AQMAand structure fires deemed to be insignificant

2 summation of all 33 degreasing categories3 Summation of these categories4From Area Source Calcs (SCC Codes 2285xx (Passenger Trains, Class I operations, Yard Locomotives) from CERR )5 total adjusted by point sources emission units bearing SCC code series 405xxx to avoid double counting6 not adjusted by point sources emission units bearing scc code 10300603 - considered insiginficant

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