Table 4-43: Estimated National Emissions of Particulate Matter (PM-10)a
Table 4-43: Estimated National Emissions of Particulate Matter (PM-10)a
(Million short tons)
1970 | 1975 | 1980 | 1985 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | (R) 1999 | (R) 2000 | (R) 2001 | (R) 2002 | (R) 2003 | (R) 2004 | (R) 2005 | (R) 2006 | 2007 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Total all sources | 13.02 | 7.56 | 7.01 | 41.32 | 27.75 | 27.35 | 27.10 | 27.36 | 28.61 | 25.82 | 22.86 | 22.91 | 22.89 | 22.57 | 22.96 | 22.94 | 18.43 | 18.43 | 18.42 | 18.42 | 16.41 | 14.46 |
Highway vehicles | 0.48 | 0.46 | 0.43 | 0.41 | 0.39 | 0.37 | 0.35 | 0.34 | 0.32 | 0.30 | 0.29 | 0.27 | 0.26 | 0.24 | 0.23 | 0.21 | 0.20 | 0.20 | 0.19 | 0.19 | 0.16 | 0.15 |
Off-Highway | 0.16 | 0.21 | 0.26 | 0.30 | 0.33 | 0.33 | 0.33 | 0.34 | 0.34 | 0.34 | 0.34 | 0.34 | 0.33 | 0.34 | 0.32 | 0.32 | 0.31 | 0.31 | 0.31 | 0.31 | 0.27 | 0.27 |
Fuel combustion | 2.87 | 2.25 | 2.45 | 1.54 | 1.20 | 1.15 | 1.18 | 1.12 | 1.11 | 1.18 | 0.91 | 0.91 | 0.84 | 0.85 | 0.89 | 0.94 | 0.54 | 0.54 | 0.54 | 0.54 | 0.51 | 0.48 |
Industrial processesb | 7.67 | 3.70 | 2.75 | 1.06 | 1.04 | 0.99 | 0.99 | 0.91 | 0.91 | 0.95 | 0.65 | 0.67 | 0.67 | 0.50 | 0.51 | 0.54 | 1.05 | 1.05 | 1.05 | 1.05 | 1.04 | 1.03 |
Waste disposal and recycling | 1.00 | 0.37 | 0.27 | 0.28 | 0.27 | 0.28 | 0.28 | 0.33 | 0.31 | 0.29 | 0.45 | 0.47 | 0.49 | 0.47 | 0.36 | 0.36 | 0.24 | 0.24 | 0.24 | 0.24 | 0.23 | 0.23 |
Miscellaneous | 0.84 | 0.57 | 0.85 | 37.74 | 24.54 | 24.23 | 23.96 | 24.33 | 25.62 | 22.77 | 20.22 | 20.25 | 20.31 | 20.18 | 20.64 | 20.57 | 16.10 | 16.10 | 16.10 | 16.10 | 14.20 | 12.30 |
Key: R = revised.
a Fine particulate matter less than 10 microns. Data include PM without condensibles.
b Industrial processes consists of chemical and allied product manufacturing, metals processing, petroleum and related industries, 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.