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TABLE 15-1b Air Pollutant Emissions by Type: 1992–2002
Thousands of short tons
Excel | CSV
| Carbon monoxide |
103,890 |
98,668 |
93,440 |
88,216 |
82,991 |
80,222 |
77,644 |
73,641 |
72,493 |
67,987 |
64,660 |
| Nitrogen oxides |
11,445 |
11,333 |
11,217 |
11,102 |
10,989 |
11,023 |
10,820 |
10,358 |
10,571 |
9949 |
9438 |
| Volatile organic
compounds |
9,549 |
9,051 |
8,551 |
8,053 |
7,555 |
7,326 |
7,212 |
7104 |
6682 |
6305 |
5927 |
| PM-10 |
463 |
450 |
437 |
423 |
408 |
395 |
378 |
361 |
347 |
331 |
320 |
| PM-2.5 |
391 |
378 |
366 |
350 |
337 |
325 |
307 |
295 |
279 |
262 |
254 |
| Lead |
0.6 |
0.5 |
0.5 |
0.6 |
0.5 |
0.5 |
0.5 |
0.5 |
0.6 |
N |
N |
| Ammonia |
188 |
202 |
215 |
229 |
239 |
266 |
258 |
269 |
277 |
281 |
289 |
| Total |
125,927 |
120,083 |
114,227 |
108,374 |
102,520 |
99,558 |
96,620 |
92,029 |
90,650 |
85,115 |
80,888 |
KEY: N = data are nonexistent; PM-10 =
particulate matter of 10 microns in diameter or smaller; PM-2.5 = particulate
matter of 2.5 microns in diameter or smaller.
NOTE: Data may not add to total
because of independent rounding.
SOURCES: Except
as noted—U.S. Environmental Protection Agency (EPA), Office of Air
Quality Planning and Standards, National
Emissions Inventory, 2002 Air Pollutant Emission Trends, available at http://www.epa.gov/ttn/, as of March
2005. Lead—Because EPA no longer
estimates lead emissions, the data presented on this table are from prior
year EPA reports.
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