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Table
4-45: Estimated National Emissions of
Sulfur Dioxide
(Million short tons)
Excel | CSV
TOTAL
all sources |
31.22 |
28.04 |
25.93 |
23.31 |
23.08 |
22.37 |
22.08 |
21.77 |
21.35 |
18.62 |
18.39 |
18.84 |
18.94 |
17.54 |
16.35 |
15.93 |
14.78 |
14.76 |
14.74 |
14.71 |
13.51 |
12.93 |
Highway
vehicles |
0.27 |
0.33 |
0.39 |
0.46 |
0.50 |
0.47 |
0.44 |
0.40 |
0.37 |
0.34 |
0.30 |
0.30 |
0.30 |
0.30 |
0.26 |
0.25 |
0.25 |
0.21 |
0.18 |
0.15 |
0.12 |
0.09 |
Off-Highway |
0.28 |
0.30 |
0.32 |
0.35 |
0.37 |
0.38 |
0.39 |
0.39 |
0.40 |
0.41 |
0.41 |
0.42 |
0.43 |
0.48 |
0.44 |
0.44 |
0.51 |
0.51 |
0.51 |
0.52 |
0.46 |
0.40 |
Fuel
combustion |
23.46 |
22.66 |
21.39 |
20.02 |
20.29 |
19.80 |
19.49 |
19.25 |
18.89 |
16.23 |
16.25 |
16.65 |
16.74 |
15.34 |
14.16 |
13.74 |
12.80 |
12.81 |
12.82 |
12.83 |
11.74 |
11.26 |
Industrial processesa |
7.09 |
4.68 |
3.77 |
2.43 |
1.86 |
1.68 |
1.72 |
1.65 |
1.62 |
1.59 |
1.37 |
1.43 |
1.43 |
1.33 |
1.38 |
1.43 |
1.06 |
1.06 |
1.06 |
1.06 |
1.05 |
1.03 |
Waste
disposal and recycling |
0.01 |
0.05 |
0.03 |
0.03 |
0.04 |
0.04 |
0.04 |
0.07 |
0.06 |
0.05 |
0.03 |
0.03 |
0.03 |
0.03 |
0.03 |
0.04 |
0.03 |
0.03 |
0.03 |
0.03 |
0.03 |
0.03 |
Miscellaneous |
0.11 |
0.02 |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
0.02 |
0.01 |
0.02 |
0.01 |
0.01 |
0.07 |
0.07 |
0.04 |
0.14 |
0.14 |
0.14 |
0.14 |
0.13 |
0.13 |
Key: R = revised.
a Industrial processes consists of chemical and allied product
manufacturing, metals processing, petroleum and related industries, and other
industrial processes; solvent utilization; and storage and transport.
SOURCE
U.S. Environmental Protection Agency, Clearinghouse for
Inventories and Emissions Factors (CHIEF), Current
Emission Trends Summaries, available at
http://www.epa.gov/ttn/chief/trends/index.html as of December 2008.
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