Table 1-57: U.S. Hazardous Materials Shipments by Hazard Class, 2007

Table 1-57: U.S. Hazardous Materials Shipments by Hazard Class, 2007

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  Value Tons Ton-miles Average miles per shipment
Hazard class and description (billion $) Percent (millions) Percent (billions) Percent
Class 1. Explosives 12 0.8 3 0.1 1 0.3 738
Class 2. Gases 132 9.1 251 11.2 55 17.1 51
Class 3. Flammable liquids 1,170 80.8 1,753 78.6 182 56.1 91
Class 4. Flammable solids 4 0.3 20 0.9 6 1.7 309
Class 5. Oxidizers and organic peroxides 7 0.5 15 0.7 7 2.2 361
Class 6. Toxics (poison) 21 1.5 11 0.5 6 1.8 467
Class 7. Radioactive materials 21 1.4 1 U U U S
Class 8. Corrosive materials 51 3.6 114 5.1 44 13.7 208
Class 9. Miscellaneous dangerous goods 30 2.1 63 2.8 23 7.1 484
Total 1,448 100.0 2,231 100.0 323 100.0 96

KEY: U = data are unavailable or less than 1 unit of measure or rounds to zero; S = data were not published because of high sampling variability or other reasons.

NOTE
Numbers may not add to totals due to rounding.

SOURCES
U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, and U.S. Department of Commerce, Census Bureau, 2007 Commodity Flow Survey, American Fact Finder, Hazardous Materials (Washington, DC: December 2009), table CF0700H02, available at http://www.census.gov/svsd/www/cfsmain.html as of December 29, 2009.