Table 4-49: Estimated National Emissions of Particulate Matter (PM-2.5)a (Million short tons)

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  1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 (R) 2006 (R) 2007 (R) 2008 (R) 2009 (R) 2010 (R) 2011 (R) 2012 2013
Total 7.56 7.32 7.20 7.15 7.54 6.93 6.72 6.26 6.26 7.21 7.29 7.00 (R) 5.80 (R) 5.73 (R) 5.66 (R) 5.59 5.73 5.87 6.00 6.00 5.99 6.29 6.27 6.25
Highway vehicles 0.32 0.31 0.29 0.28 0.26 0.25 0.23 0.22 0.20 0.18 0.17 0.16 (R) 0.33 (R) 0.32 (R) 0.31 (R) 0.31 0.29 0.28 0.25 0.22 0.20 0.21 0.20 0.18
Off-Highway 0.30 0.30 0.31 0.31 0.31 0.31 0.31 0.31 0.30 0.31 0.30 0.29 (R) 0.34 (R) 0.32 (R) 0.30 (R) 0.29 0.27 0.25 0.24 0.23 0.21 0.21 0.19 0.18
Fuel combustion 0.91 0.89 0.93 0.85 0.84 0.90 0.66 0.66 0.63 1.28 1.29 1.30 1.13 1.13 1.13 1.13 1.03 0.93 0.83 0.83 0.82 0.82 0.82 0.82
Industrial processesb 0.56 0.57 0.58 0.50 0.50 0.50 0.37 0.38 0.39 0.49 0.50 0.53 0.48 0.50 0.51 0.53 0.51 0.49 0.47 0.45 0.42 0.39 0.39 0.39
Waste disposal and recycling 0.23 0.24 0.24 0.29 0.27 0.25 0.43 0.44 0.46 0.44 0.33 0.33 0.27 0.27 0.27 0.27 0.25 0.23 0.21 0.19 0.18 0.17 0.17 0.17
Miscellaneous 5.23 5.00 4.85 4.93 5.36 4.73 4.72 4.24 4.28 4.51 4.69 4.39 3.26 3.19 3.13 3.07 3.38 3.70 4.01 4.08 4.15 4.49 4.49 4.49

KEY: R = revised.

a Particulate matter less than 2.5 microns in size. Data include PM without condensable.

bIndustrial processes consists of chemical and allied product manufacturing, metals processing, petroleum and related industries, and other industrial processes; solvent utilization; and storage and transportation.

NOTE

Details may not add up to totals due to rounding in the source.

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 Dec. 6, 2013.