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Table 2c. Hazardous Material Shipment Characteristics by Hazard Class:
Percent of Total for 2002 and 1997
[Estimates are based on data from the 2002 and 1997 Commodity
Flow Surveys. Because of rounding, estimates may not be additive]
Excel | CSV
| Total |
100.0 |
100.0 |
100.0 |
100.0 |
100.0 |
100.0 |
| Class 1, Explosives |
1.2 |
1.1 |
0.2 |
0.1 |
0.5 |
S |
| Class 2, Gases |
11.2 |
9.0 |
9.7 |
7.7 |
11.4 |
8.8 |
| Class 3, Flammable
liquids |
74.3 |
73.5 |
81.6 |
81.3 |
66.9 |
62.7 |
| Class 4, Flammable
solids |
1.0 |
0.8 |
0.5 |
0.8 |
1.3 |
3.3 |
| Class 5, Oxidizers and
organic peroxides |
0.8 |
0.9 |
0.6 |
0.5 |
1.3 |
1.5 |
| Class 6, Toxic (poison) |
1.3 |
1.9 |
0.4 |
0.4 |
1.3 |
1.0 |
| Class 7, Radioactive
materials |
0.9 |
0.5 |
– |
– |
– |
– |
| Class 8, Corrosive
materials |
5.8 |
7.8 |
4.1 |
5.5 |
11.1 |
14.6 |
| Class 9, Miscellaneous
dangerous goods |
3.6 |
4.5 |
2.8 |
3.7 |
6.2 |
7.7 |
KEY:
– Represents and estimate equal to zero or less than 1 unit of
measure.
S Estimate does not meet publication standards b ecause 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.
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