Table 1-57: U.S. Hazardous Materials Shipments by Hazard Class, 2002
Wednesday, November 21, 2012
Table 1-57: U.S. Hazardous Materials Shipments by Hazard Class, 2002
| Hazard class and description | Value | Tons | Ton-miles | Average miles per shipment | |||
|---|---|---|---|---|---|---|---|
| ($ billion) | Percent | (millions) | Percent | (billions) | Percent | ||
| Class 1. Explosives | 7.9 | 1.2 | 5.0 | 0.2 | 1.6 | 0.5 | 651 |
| Class 2. Gases | 73.9 | 11.2 | 213.4 | 9.7 | 37.3 | 11.4 | 95 |
| Class 3. Flammable liquids | 490.2 | 74.3 | 1,789.0 | 81.6 | 218.6 | 66.9 | 106 |
| Class 4. Flammable solids | 6.6 | 1.0 | 11.3 | 0.5 | 4.4 | 1.3 | 158 |
| Class 5. Oxidizers and organic peroxides | 5.5 | 0.8 | 12.7 | 0.6 | 4.2 | 1.3 | 407 |
| Class 6. Toxics (poison) | 8.3 | 1.3 | 8.5 | 0.4 | 4.3 | 1.3 | 626 |
| Class 7. Radioactive materials | 5.9 | 0.9 | 0.1 | − | − | − | S |
| Class 8. Corrosive materials | 38.3 | 5.8 | 90.7 | 4.1 | 36.3 | 11.1 | 301 |
| Class 9. Miscellaneous dangerous goods | 23.6 | 3.6 | 61.0 | 2.8 | 20.2 | 6.2 | 368 |
| Total | 660.2 | 100.0 | 2,191.5 | 100.0 | 326.7 | 100.0 | 136 |
KEY: − = 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, U.S. Department of Commerce, Census Bureau, 2002 Economic Census, Transportation, 2002 Commodity Flow Survey, Hazardous Materials (Washington, DC: December 2004), table 2a.