Table 2a. Hazardous Material Shipment Characteristics by Hazard Class: 2002

Table 2a. Hazardous Material Shipment Characteristics by Hazard Class: 2002

[Estimates are based on data from the 2002 Commodity Flow Survey. Because of rounding, estimates may not be additive]

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Hazard class and description Value Tons Ton-miles Average miles
per shipment
2002
(million $)
Percent 2002
(thousands)
Percent 2002
(millions)
Percent
Total 660,181 100.0 2,191,519 100.0 326,727 100.0 136
Class 1, Explosives 7,901 1.2 5,000 0.2 1,568 0.5 651
Class 2, Gases 73,932 11.2 213,358 9.7 37,262 11.4 95
Class 3, Flammable liquids 490,238 74.3 1,788,986 81.6 218,574 66.9 106
Class 4, Flammable solids 6,566 1.0 11,300 0.5 4,391 1.3 158
Class 5, Oxidizers and organic peroxides 5,471 0.8 12,670 0.6 4,221 1.3 407
Class 6, Toxic (poison) 8,275 1.3 8,459 0.4 4,254 1.3 626
Class 7, Radioactive materials 5,850 0.9 57 44 S
Class 8, Corrosive materials 38,324 5.8 90,671 4.1 36,260 11.1 301
Class 9, Miscellaneous dangerous goods 23,625 3.6 61,018 2.8 20,153 6.2 368

KEY:
– Represents and estimate equal to zero or less than 1 unit of measure.
S Estimate does not meet publication standards because of highly sampling variability or poor response quality.

SOURCE: Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, Hazmat Data, December 2004.