Table 1-63: U.S. Hazardous Materials Shipments by Hazard Class, 2012
| Hazard class and description | Value | Tons | Ton-miles | Average miles per shipment | |||
|---|---|---|---|---|---|---|---|
| (billion $) | Percent | (millions) | Percent | (billions) | Percent | ||
| Class 1. Explosives | 18 | 0.8 | 4 | 0.2 | 1 | 0.3 | 840 |
| Class 2. Gases | 125 | 5.4 | 165 | 6.4 | 33 | 10.8 | 57 |
| Class 3. Flammable liquids | 2,017 | 86.4 | 2,203 | 85.4 | 205 | 66.5 | 93 |
| Class 4. Flammable solids | 5 | 0.2 | 11 | 0.4 | 6 | 1.9 | 565 |
| Class 5. Oxidizers and organic peroxides | 8 | 0.3 | 12 | 0.5 | 5 | 1.8 | 437 |
| Class 6. Toxics (poison) | 15 | 0.7 | 8 | 0.3 | 4 | 1.2 | 513 |
| Class 7. Radioactive materials | 12 | 0.5 | S | U | 0 | U | 34 |
| Class 8. Corrosive materials | 76 | 3.2 | 125 | 4.9 | 38 | 12.3 | 264 |
| Class 9. Miscellaneous dangerous goods | 58 | 2.5 | 51 | 2.0 | 16 | 5.2 | 530 |
| Total | 2,334 | 100.0 | 2,580 | 100.0 | 308 | 100.0 | 114 |
KEY: U = data are not available 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.
SOURCE
U.S. Department of Transportation, Bureau of Transportation Statistics, and U.S. Department of Commerce, Census Bureau, 2012 Commodity Flow Survey, American Fact Finder, Hazardous Materials (Washington, DC: December 2014), table CF1200H02, available at http://www.census.gov/svsd/www/cfsmain.html as of Dec. 9, 2014.