Table 4-43:  Estimated National Emissions of Particulate Matter (PM-10)a (Million short tons),,,,,,,,,,,,,,,,,,,,,,
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,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.,,,,,,,,,,,,,,,,,,,,,,
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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.",,,,,,,,,,,,,,,,,,,,,,
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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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