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

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]

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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.