 |
Table 2b. Hazardous Material Shipment Characteristics by Hazard Class:
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 |
660,181 |
526,679 |
25.3 |
2,191,519 |
1,783,620 |
22.9 |
326,727 |
294,823 |
10.8 |
136 |
110 |
23.7 |
| Class 1, Explosives |
7,901 |
5,584 |
41.5 |
5,000 |
1,718 |
191.0 |
1,568 |
S |
S |
651 |
771 |
–15.6 |
| Class 2, Gases |
73,932 |
47,288 |
56.3 |
213,358 |
137,138 |
55.6 |
37,262 |
26,002 |
43.3 |
95 |
60 |
58.7 |
| Class 3, Flammable
liquids |
490,238 |
386,994 |
26.7 |
1,788,986 |
1,450,591 |
23.3 |
218,574 |
184,824 |
18.3 |
106 |
69 |
54.3 |
| Class 4, Flammable
solids |
6,566 |
4,238 |
54.9 |
11,300 |
14,832 |
–23.8 |
4,391 |
9,735 |
–54.9 |
158 |
660 |
–76.0 |
| Class 5, Oxidizers and
organic peroxides |
5,471 |
4,485 |
22.0 |
12,670 |
9,239 |
37.1 |
4,221 |
4,471 |
–5.6 |
407 |
193 |
111.2 |
| Class 6, Toxic (poison) |
8,275 |
10,085 |
–18.0 |
8,459 |
6,366 |
32.9 |
4,254 |
2,824 |
50.6 |
626 |
403 |
55.2 |
| Class 7, Radioactive
materials |
5,850 |
2,722 |
114.9 |
57 |
87 |
–35.1 |
44 |
48 |
–8.8 |
S |
445 |
S |
| Class 8, Corrosive
materials |
38,324 |
41,336 |
–7.3 |
90,671 |
98,331 |
–7.8 |
36,260 |
42,918 |
–15.5 |
301 |
205 |
46.7 |
| Class 9, Miscellaneous
dangerous goods |
23,625 |
23,946 |
–1.3 |
61,018 |
65,317 |
–6.6 |
20,153 |
22,727 |
–11.3 |
368 |
323 |
13.9 |
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.
|
|
