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Table B-9c. Estimated Measures of Reliability for Hazardous Material
Shipment Characteristics by Rail for Selected UN Numbers: 2002
[Estimates are shown as percents and are based on data from the
2002 Commodity Flow Survey]
Excel | CSV
| |
Total |
7.7 |
– |
6.6 |
– |
5.8 |
– |
2.6 |
| 1010 |
Butadienes, stabilized |
S |
S |
S |
S |
S |
S |
17.4 |
| 1017 |
Chlorine |
11.8 |
0.2 |
12.8 |
0.4 |
15.7 |
0.4 |
14.3 |
| 1055 |
Isobutylene see also Petroleum gases, liquefied |
S |
S |
S |
S |
S |
S |
30.0 |
| 1075 |
Petroleum gases |
32.4 |
3.7 |
29.3 |
2.9 |
28.4 |
2.3 |
6.0 |
| 1086 |
Vinyl chloride, stabilized |
17.2 |
0.3 |
17.1 |
0.3 |
16.0 |
0.3 |
12.6 |
| 1203 |
Gasoline |
23.9 |
0.8 |
34.9 |
1.9 |
43.3 |
1.4 |
18.3 |
| 1230 |
Methanol |
S |
S |
S |
S |
S |
S |
25.0 |
| 1268 |
Petroleum
distillates, n.o.s. |
24.0 |
0.4 |
29.0 |
0.5 |
28.5 |
0.5 |
11.0 |
| 1805 |
Phosphoric acid, liquid |
30.4 |
0.7 |
35.3 |
0.6 |
41.5 |
1.1 |
6.5 |
| 1824 |
Sodium hydroxide solution |
24.9 |
0.5 |
14.4 |
0.7 |
15.9 |
0.8 |
5.4 |
| 1830 |
Sulfuric acid |
37.9 |
0.1 |
S |
S |
S |
S |
29.2 |
| 1863 |
Fuel, aviation, turbine engine |
39.4 |
1.1 |
39.1 |
1.6 |
40.4 |
1.0 |
23.5 |
| 1910 |
Calcium oxide |
S |
S |
S |
S |
S |
S |
29.8 |
| 1964 |
Hydrocarbon gas mixture, compressed, n.o.s. |
19.4 |
0.5 |
31.4 |
0.7 |
30.9 |
1.1 |
8.6 |
| 1987 |
Alcohols, n.o.s. |
25.3 |
1.5 |
26.1 |
1.1 |
28.9 |
1.3 |
15.5 |
| 1993 |
Flammable liquids, n.o.s. |
21.8 |
0.8 |
21.1 |
1.1 |
25.8 |
1.3 |
10.0 |
| 1999 |
Tars, liquid |
41.6 |
0.3 |
41.9 |
0.7 |
S |
S |
23.5 |
| 2448 |
Sulfur, molten |
S |
S |
30.2 |
0.8 |
23.4 |
0.5 |
15.9 |
| 3082 |
Environmentally hazardous substances, liquid, n.o.s. |
31.1 |
1.2 |
23.7 |
0.4 |
22.9 |
0.5 |
7.7 |
| 3257 |
Elevated temperature liquid, n.o.s. |
19.9 |
1.0 |
25.9 |
2.0 |
21.2 |
2.3 |
6.3 |
| – |
All other |
12.5 |
4.4 |
10.9 |
3.4 |
8.3 |
2.8 |
6.1 |
KEY:
– Represents an 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.
CV Coefficient of variation of number
NOTE: The Introduction and appendixes give
information on confidentiality protection, sampling error, nonsampling error,
sample design, and definitions. Links to this information on the Internet may
be found at www.census.gov/cfs.
SOURCE: Bureau of Transportation Statistics (USDOT)
and U.S. Census Bureau, 2002 Commodity Flow Survey, Hazmat Data, December
2004.
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