Table 3-2 Hazardous Materials Shipments by Hazard Class: 2007
Hazard Class | Description | Value | Tons | Ton-miles | |||
---|---|---|---|---|---|---|---|
Billions of 2007 U.S. Dollars | Percent | Millions | Percent | Billions | Percent | ||
Class 1 | Explosives | 12 | 0.8 | 3 | 0.1 | <1 | <0.1 |
Class 2 | Gases | 132 | 9.1 | 251 | 11.2 | 55 | 17.1 |
Class 3 | Flammable liquids | 1,170 | 80.8 | 1,753 | 78.6 | 182 | 56.1 |
Class 4 | Flammable solids | 4 | 0.3 | 20 | 0.9 | 6 | 1.7 |
Class 5 | Oxidizers and organic peroxides | 7 | 0.5 | 15 | 0.7 | 7 | 2.2 |
Class 6 | Toxic (poison) | 21 | 1.5 | 11 | 0.5 | 6 | 1.8 |
Class 7 | Radioactive materials | 21 | 1.4 | <1 | <0.1 | <1 | <0.1 |
Class 8 | Corrosive materials | 51 | 3.6 | 114 | 5.1 | 44 | 13.7 |
Class 9 | Miscellaneous dangerous goods | 30 | 7.1 | 7.1 | 7.1 | 7.1 | 7.1 |
Total | 1,448 | 100.0 | 2,231 | 100.0 | 323 | 100.0 |
NOTE: Numbers and percents may not add to totals due to rounding.
SOURCE: 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, Hazardous Materials, table 1a (Washington, DC: February 2010), available at www.bts.gov/publications/commodity_flow_survey/ as of August 2011.