Table 5-4 - Aircraft-Related Criteria Pollutants Emitted at Airports: 1997

Table 5-4 - Aircraft-Related Criteria Pollutants Emitted at Airports: 1997

(Short tons)

Source CO NOX VOC SO2 PM-10 Lead
Aircraft, landing and takeoff 1,012,026 177,521 186,923 11,914 40,924 503
% of total (nonroad mobile sources) 6.0 3.9 7.7 1.1 8.8 100.0
Airport service equipment            
Gasoline 140,657 3,192 6,436 0 36 0
Diesel 42,995 93,242 10,757 0 11,343 0
Total aircraft and service equipment 1,195,678 273,955 204,116 11,914 52,303 503
% of total (nonroad mobile sources) 7.1 6.0 8.4 1.1 11.2 100.0

KEY: CO = carbon monoxide; NOX = nitrogen oxides; PM-10 = particulate matter 10 microns in diameter or smaller; SO2 = sulfur dioxide; VOC = volatile organic compounds.

SOURCE: U.S. Environmental Protection Agency, Office of Air and Radiation, Air Quality Strategies and Standards, National Air Pollutant Emission Trends, 1900-1997, forthcoming on the EPA website, 1999.