Table B-13b. Estimated Measures of Reliability for Hazardous Material Shipment Characteristics by For- Hire Truck for Intrastate vs Interstate for Selected UN Numbers: 2002
Monday, July 2, 2012
Table B-13b. Estimated Measures of Reliability for Hazardous Material Shipment Characteristics by For- Hire 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 | 5.2 | 1.9 | 1.9 | 6.2 | 1.9 | 1.9 | 9.4 | 2.8 | 2.8 | |
| 1005 | Ammonia, anhydrous | 48.1 | S | 8.2 | 46.8 | S | 7.8 | 49.2 | S | 13 |
| 1075 | Petroleum gases | 37.9 | 9.1 | S | 35.7 | 8.3 | S | S | 10.7 | S |
| 1202 | Gas oil, diesel fuel, heating oil, light | 9.5 | 4.6 | 4.6 | 10.4 | 4.1 | 4.1 | S | 15.7 | S |
| 1203 | Gasoline | 7.5 | 1.6 | 1.6 | 9.7 | 1.5 | 1.5 | 21.9 | 9.4 | 9.4 |
| 1263 | Paint including paint, lacquer, enamel, stain | 47.6 | S | 4.1 | 26.6 | S | 5.7 | 25.5 | S | 2.7 |
| 1268 | Petroleum distillates, n.o.s. | 31.3 | 10.9 | S | 41.1 | S | 12.1 | 21.1 | 12.7 | 12.7 |
| 1760 | Corrosive liquids, n.o.s. | 32.8 | 8.6 | 8.6 | 40.2 | 6.5 | 6.5 | 38.2 | 2.4 | 2.4 |
| 1824 | Sodium hydroxide solution | 41.9 | 9.9 | S | 17.9 | 6.2 | 6.2 | 30.8 | 5.4 | 5.4 |
| 1830 | Sulfuric acid | 43.3 | 9 | S | 16.9 | 3.2 | 3.2 | 33 | 10.1 | 10.1 |
| 1863 | Fuel, aviation, turbine engine | 15.4 | 2.9 | 2.9 | 16 | 3 | 3 | 35.4 | 11.6 | S |
| 1942 | Ammonium nitrate, with not more than 0.2% total | S | S | S | S | S | S | S | 11.4 | S |
| 1987 | Alcohols, n.o.s. | 15.5 | 7.1 | 7.1 | 14.8 | 5.4 | 5.4 | 17.6 | 7.9 | 7.9 |
| 1993 | Flammable liquids, n.o.s. | 7.9 | 2.6 | 2.6 | 7.2 | 2.7 | 2.7 | 31.8 | 5.9 | 5.9 |
| 1999 | Tars, liquid | 49 | 12.8 | S | 43.1 | 10.9 | S | S | 16.3 | S |
| 2448 | Sulfur, molten | 24.7 | 5.8 | 5.8 | 15.2 | 4.7 | 4.7 | 15.6 | 8.4 | 8.4 |
| 2794 | Batteries, wet, filled with acid, electric storage | 43.5 | S | 9.1 | 47.9 | S | 11.1 | S | S | S |
| 2924 | Flammable liquids, corrosive, n.o.s. | 38.8 | S | 11.7 | S | S | 17.6 | S | S | 14.9 |
| 3082 | Environmentally hazardous substances, liquid, n.o.s. | 20.8 | 5.5 | 5.5 | 38.9 | 7.3 | 7.3 | 32.1 | 1.1 | 1.1 |
| 3257 | Elevated temperature liquid, n.o.s. | 31.6 | 5.8 | 5.8 | 31.4 | 6.3 | 6.3 | 28.3 | 7.7 | 7.7 |
| 3264 | Corrosive liquid, acidic, inorganic, n.o.s. | 27.2 | 6.5 | 6.5 | S | S | S | S | S | S |
| – | All other | 3.9 | 3.1 | 3.1 | 9.2 | 5.4 | 5.4 | 11.2 | 1.4 | 1.4 |
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.