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Acknowledgments US Department of Transportation - BTS

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Table 1-63: U.S. Hazardous Materials Shipments by Hazard Class, 2007Value Tons Ton-milesHazard class and description (billion $) Percent (millions) Percent (billions) PercentClass 1. Explosives 12 0.8 3 0.1 1 0.3 738Class 2. Gases 132 9.1 251 11.2 55 17.1 51Class 3. Flammable liquids 1,170 80.8 1,753 78.6 182 56.1 91Class 4. Flammable solids 4 0.3 20 0.9 6 1.7 309Class 5. Oxidizers and organic peroxides 7 0.5 15 0.7 7 2.2 361Class 6. Toxics (poison) 21 1.5 11 0.5 6 1.8 467Class 7. Radioactive materials 21 1.4 1 U U U SClass 8. Corrosive materials 51 3.6 114 5.1 44 13.7 208Class 9. Miscellaneous dangerous goods 30 2.1 63 2.8 23 7.1 484Total 1,448 100.0 2,231 100.0 323 100.0 96KEY: U = data are unavailable or less than 1 unit <strong>of</strong> measure or rounds to zero; S = data were not published because <strong>of</strong> highsampling variability or other reasons.NOTENumbers may not add to totals due to rounding.Averagemiles pershipmentSOURCEU.S. <strong>Department</strong> <strong>of</strong> <strong>Transportation</strong>, Research and Innovative Technology Administration, Bureau <strong>of</strong> <strong>Transportation</strong> Statistics, andU.S. <strong>Department</strong> <strong>of</strong> 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 <strong>of</strong> December29, 2009.

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