Table B-13a. Estimated Measures of Reliability for Hazardous Material Shipment Characteristics by Truck for Intrastate vs Interstate for Selected UN Numbers: 2002
Monday, July 2, 2012
Table B-13a. Estimated Measures of Reliability for Hazardous Material Shipment Characteristics by Truck for Intrastate vs Interstate for Selected UN Numbers: 2002
[Estimates are shown as percents and are based on data from the 2002 Commodity Flow Survey]
| UN number | Description | Value | Tons | Ton-miles | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| CV | Intrastate std. error of percentage | Interstate std. error of percentage | CV | Intrastate std. error of percentage | Interstate std. error of percentage | CV | Intrastate std. error of percentage | Interstate std. error of percentage | ||
| Total | 3.7 | 1.5 | 1.5 | 4.6 | 1.5 | 1.5 | 7.0 | 3.2 | 3.2 | |
| 1005 | Ammonia, anhydrous | 32.8 | 6.3 | 6.3 | 31.9 | 6.4 | 6.4 | 36.1 | S | 10.8 |
| 1006 | Argon, compressed | 40.4 | 7.6 | 7.6 | 44.1 | 5.3 | 5.3 | 49.7 | 10.0 | S |
| 1013 | Carbon dioxide | 28.2 | 8.4 | 8.4 | S | 8.1 | S | S | S | S |
| 1066 | Nitrogen, compressed | 35.2 | 10.2 | S | 37.3 | 7.9 | S | 49.7 | 9.1 | S |
| 1072 | Oxygen, compressed | 42.6 | 11.9 | S | 30.4 | 7.6 | S | 42.1 | 9.4 | S |
| 1075 | Petroleum gases | 18.2 | 3.6 | 3.6 | 21.8 | 5.3 | 5.3 | 45.8 | 7.2 | S |
| 1202 | Gas oil, diesel fuel, heating oil, light | 13.5 | 2.9 | 2.9 | 12.5 | 2.6 | 2.6 | 37.9 | 11.3 | S |
| 1203 | Gasoline | 5.1 | 2.1 | 2.1 | 5.9 | 2.1 | 2.1 | 11.7 | 6.9 | 6.9 |
| 1223 | Kerosene | 23.9 | 3.5 | S | 28.5 | 3.5 | S | 38.3 | 6.1 | 6.1 |
| 1263 | Paint including paint, lacquer, enamel, stain | 30.9 | 6.2 | 6.2 | 17.1 | 6.0 | 6.0 | 21.9 | 2.9 | 2.9 |
| 1268 | Petroleum distillates, n.o.s. | 13.8 | 8.4 | 8.4 | 31.3 | 7.1 | 7.1 | 16.9 | 10.9 | 10.9 |
| 1824 | Sodium hydroxide solution | 25.9 | 8.1 | S | 25.6 | 3.7 | 3.7 | 43.7 | 4.8 | 4.8 |
| 1830 | Sulfuric acid | 35.8 | 7.2 | 7.2 | 15.4 | 3.6 | 3.6 | 30.6 | 9.5 | 9.5 |
| 1863 | Fuel, aviation, turbine engine | 9.2 | 4.5 | 4.5 | 11.4 | 5.3 | 5.3 | 23.5 | 9.6 | 9.6 |
| 1964 | Hydrocarbon gas mixture, compressed, n.o.s. | 40.7 | 7.3 | 7.3 | S | S | S | 38.8 | 12.9 | S |
| 1993 | Flammable liquids, n.o.s. | 7.4 | 1.7 | 1.7 | 6.4 | 2.0 | 2.0 | 12.4 | 6.1 | 6.1 |
| 1999 | Tars, liquid | 45.1 | 11.8 | S | 40.6 | 11.1 | S | S | 15.8 | S |
| 3077 | Environmentally hazardous substances, solid, n.o.s. | S | 15.0 | S | S | 15.8 | S | S | 13.7 | S |
| 3257 | Elevated temperature liquid, n.o.s. | 32.6 | 5.5 | 5.5 | 31.5 | 6.1 | 6.1 | 24.9 | 5.7 | 5.7 |
| 3264 | Corrosive liquid, acidic, inorganic, n.o.s. | 26.5 | 6.6 | 6.6 | S | S | S | S | S | S |
| – | All other | 4.2 | 2.7 | 2.7 | 11.4 | 4.7 | 4.7 | 10.2 | 2.2 | 2.2 |
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.