USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Table 4-45: Estimated National Emissions of Sulfur Dioxide

Wednesday, November 21, 2012

Table 4-45: Estimated National Emissions of Sulfur Dioxide

(Million short tons)

Excel | CSV

  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 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.