Table 4-40: Estimated National Emissions of Carbon Monoxide
Wednesday, November 21, 2012
Table 4-40: Estimated National Emissions of Carbon Monoxide
(Million short tons)
| 1970 | 1975 | 1980 | 1985 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | (R) 2002 | (R) 2003 | (R) 2004 | (R) 2005 | (R) 2006 | 2007 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TOTAL all sources | 204.04 | 188.40 | 185.41 | 176.85 | 154.19 | 147.13 | 140.90 | 135.90 | 133.56 | 126.78 | 128.86 | 117.91 | 115.38 | 114.54 | 114.47 | 106.26 | 111.06 | 106.24 | 101.43 | 96.62 | 92.13 | 88.25 |
| Highway vehicles | 163.23 | 153.56 | 143.83 | 134.19 | 110.26 | 104.98 | 99.71 | 94.43 | 89.16 | 83.88 | 78.61 | 75.85 | 73.24 | 68.71 | 68.06 | 63.48 | 60.60 | 56.47 | 52.35 | 48.22 | 44.73 | 41.61 |
| Off-Highway | 11.37 | 14.33 | 16.69 | 19.03 | 21.45 | 21.93 | 22.42 | 22.90 | 23.39 | 23.87 | 24.36 | 23.67 | 23.69 | 23.32 | 24.18 | 24.68 | 22.66 | 22.04 | 21.42 | 20.80 | 19.67 | 18.76 |
| Fuel combustion | 4.63 | 4.48 | 7.30 | 8.49 | 5.51 | 5.86 | 6.15 | 5.59 | 5.52 | 5.93 | 4.34 | 4.33 | 4.33 | 5.54 | 4.78 | 4.83 | 5.47 | 5.41 | 5.34 | 5.27 | 5.28 | 5.30 |
| Industrial processesa | 9.84 | 7.54 | 6.95 | 5.28 | 4.77 | 4.62 | 4.55 | 4.65 | 4.61 | 4.61 | 3.64 | 3.80 | 3.81 | 2.55 | 2.63 | 2.76 | 2.24 | 2.24 | 2.24 | 2.24 | 2.24 | 2.24 |
| Waste disposal and recycling | 7.06 | 3.23 | 2.30 | 1.94 | 1.08 | 1.12 | 1.14 | 1.25 | 1.23 | 1.19 | 2.90 | 2.95 | 3.12 | 3.02 | 1.85 | 1.85 | 1.59 | 1.59 | 1.59 | 1.59 | 1.59 | 1.59 |
| Miscellaneous | 7.91 | 5.26 | 8.34 | 7.93 | 11.12 | 8.62 | 6.93 | 7.08 | 9.66 | 7.30 | 15.02 | 7.32 | 7.18 | 11.41 | 12.96 | 8.68 | 18.49 | 18.49 | 18.49 | 18.49 | 18.62 | 18.75 |
Key R = Revised.
a Industrial processes consists of chemical and allied product manufacturing, metals processing, petroleum and related industries, other industrial processes; and solvent utilization, 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.