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Table B-3. Estimated Measures of Reliability for Hazardous Material
Shipment Characteristics for Selected UN Numbers: 2002
[Estimates are shown as percents and are based on data from the
2002 Commodity Flow Survey]
Excel | CSV
| |
Total |
3.0 |
– |
4.2 |
– |
4.4 |
– |
7.1 |
| 1005 |
Ammonia, anhydrous |
27.2 |
– |
27.1 |
0.1 |
27.8 |
0.2 |
S |
| 1013 |
Carbon dioxide |
33.9 |
– |
S |
S |
S |
S |
33.1 |
| 1017 |
Chlorine |
35.2 |
0.1 |
27.4 |
0.1 |
18.2 |
0.1 |
13.9 |
| 1066 |
Nitrogen, compressed |
33.9 |
0.1 |
42.1 |
0.3 |
S |
S |
20.8 |
| 1072 |
Oxygen, compressed |
38.2 |
0.2 |
S |
S |
S |
S |
S |
| 1075 |
Petroleum gases |
12.9 |
0.4 |
14.0 |
0.4 |
26.0 |
0.8 |
43.5 |
| 1114 |
Benzene |
40.2 |
0.2 |
39.6 |
0.2 |
29.0 |
0.1 |
30.4 |
| 1202 |
Gas oil, diesel fuel, heating oil, light |
11.3 |
0.4 |
11.1 |
0.5 |
21.5 |
0.8 |
16.0 |
| 1203 |
Gasoline |
3.6 |
1.5 |
3.8 |
1.7 |
11.1 |
2.6 |
10.7 |
| 1223 |
Kerosene |
19.9 |
– |
21.6 |
0.1 |
18.5 |
– |
28.0 |
| 1230 |
Methanol |
S |
S |
S |
S |
S |
S |
27.6 |
| 1268 |
Petroleum
distillates, n.o.s. |
7.7 |
– |
16.1 |
– |
18.7 |
0.1 |
34.5 |
| 1824 |
Sodium hydroxide solution |
20.2 |
0.1 |
15.3 |
0.2 |
15.9 |
0.4 |
19.7 |
| 1830 |
Sulfuric acid |
24.4 |
– |
15.8 |
0.1 |
37.2 |
0.3 |
33.6 |
| 1863 |
Fuel, aviation, turbine engine |
11.7 |
0.3 |
12.3 |
0.4 |
19.3 |
0.6 |
14.6 |
| 1962 |
Ethylene |
32.8 |
0.2 |
34.9 |
0.2 |
45.7 |
– |
S |
| 1964 |
Hydrocarbon gas mixture, compressed, n.o.s. |
33.9 |
0.2 |
36.3 |
0.3 |
32.1 |
0.4 |
15.1 |
| 1993 |
Flammable liquids, n.o.s. |
8.7 |
1.0 |
8.4 |
1.1 |
9.6 |
1.4 |
19.2 |
| 1999 |
Tars, liquid |
35.8 |
0.1 |
41.3 |
0.3 |
27.7 |
0.4 |
15.9 |
| 3257 |
Elevated temperature liquid, n.o.s |
25.4 |
0.3 |
25.6 |
0.5 |
17.8 |
0.7 |
22.9 |
| – |
All other |
6.5 |
1.4 |
9.8 |
1.0 |
7.2 |
2.1 |
11.4 |
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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