Table 5-4
Aircraft-Related Criteria Pollutants Emitted at Airports: 1997
(Short tons)
| 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.
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