Encyclopedia of Environmental Science and Engineering, Volume I and II

TABLE 4

Total National Emissions of Volatile Organic Compound Emissions, 1940 through 1994 (thousand short tons)

Source Category 1940 1950 1960 1970 1980 1990 1993 1994

FUEL COMB. -ELEC UTIL 2 9 9 30 45 36

FUEL COMB. -INDUATRIAL 108 98 106 150 157 135

FULE COMB. -OTHER 1,867 1,336 768 541 848 749

Residential Wood 1,410 970 563 460 809 718 698 684

CHEMICAL and ALLIED PRODUCT

MFG

884 1,324 991 1,341 1,595 1,526

Organic Chemical Mfg 58 110 245 629 884 554 562 567

METALS PROCESSING 325 442 342 394 273 72

PETROLIUM and RELATED

INDUSTRIES

571 548 1,034 1,194 1,440 643

OTHER INDUSTRIAL PROCESSES 130 184 202 270 237 401

SOLVENT UTILIZATION 1,971 3,679 4,403 7,174 6,584 5,975

Surface Coating 1,058 2,187 2,128 3,570 3,685 2,619 2,687 2,773

Nonindustrial 490 NA 1,189 1,674 1,002 1,900 1,982 2,011

consumer solvents NA NA NA NA NA 1,083 1,116 1,126

Bulk Terminals and Plants 185 361 528 599 517 658 614 606

area source: gasoline 158 307 449 509 440 560 512 501

WASTE DISPOSAL and RECYCLING 990 1,104 1,546 1,984 758 2,262

ON ROAD VEHICLES 4,817 7,251 10,506 12,972 8,979 6,854

Light-Duty Gas Vehicles and

Motorcycles

3,647 5,220 8,058 9,193 5,907 4,285 3,812 3,921

light-duty gas vehicles 3,646 5,214 8,050 9,133 5,843 4,234 3,777 3,884

Light-Duty Gas Trucks 672 1,101 1,433 2,770 2,059 1,769 1,647 1,664

Heavy-Duty Gas Vehicles 498 908 926 743 611 470 326 393

Diesels NA 22 89 266 402 330 318 317

heavy-duty diesel vehicles NA 22 89 266 392 316 301 299

NON-ROAD SOURCES 778 1,213 1,215 1,542 1,869 2,120

Non-Road Gasoline 208 423 526 1,284 1,474 1,646 1,704 1,730

lawn and garden NA NA NA 574 655 728 753 761

MISCELLANEOUS 4,079 2,530 1,573 1,101 1,134 1,069

Other Combustion — — — 1,101 1,134 1,068 515 684

wildfires 3,420 1,510 768 770 739 768 212 379

TOTAL ALL SOURCES 17,161 20,936 24,459 30,646 25,893 23,599 22,575 23,174

Note(s): Categories displayed below Tier 1 do not sum to Tier 1 totals because they are intended to show major contributors.

1994 emission estimates are preliminary and will be updated in the next report.

Tier 1 source categories and emissions are shaded.

76 AIR POLLUTION SOURCES

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