Table B-9e. Estimated Measures of Reliability for Hazardous Material Shipment Characteristics by Air (includes Truck and Air) for Selected UN Numbers: 2002
Monday, July 2, 2012
Table B-9e. Estimated Measures of Reliability for Hazardous Material Shipment Characteristics by Air (includes Truck and Air) 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 of average miles per shipment |
|||
|---|---|---|---|---|---|---|---|---|
| CV | Std. error of percent | CV | Std. error of percent | CV | Std. error of percent | |||
| Total | 20.7 | – | 38.0 | – | 39.2 | – | 8.2 | |
| 0012 | Cartridges for weapons, inert projectile or Cartridges, small arms | S | S | S | S | S | S | 24.3 |
| 0186 | Rocket motors | S | S | S | S | S | S | 31.6 |
| 1057 | Lighters or Lighter refills containing flammable gas | S | S | S | S | S | S | 39.7 |
| 1072 | Oxygen, compressed | S | S | S | S | S | S | 29.8 |
| 1197 | Extracts, flavoring, liquid | 49.8 | 0.2 | S | S | S | S | 26.7 |
| 1648 | Acetonitrile | S | S | S | S | S | S | 28.2 |
| 1760 | Corrosive liquids, n.o.s. | S | S | S | S | S | S | 25.0 |
| 1845 | Carbon dioxide, solid or Dry ice | S | S | S | S | S | S | 25.0 |
| 1964 | Hydrocarbon gas mixture, compressed, n.o.s. | S | S | S | S | S | S | 31.6 |
| 1993 | Flammable liquids, n.o.s. | 44.8 | 0.4 | S | S | S | S | 20.5 |
| 2047 | Dichloropropenes.. | S | S | S | S | S | S | 31.6 |
| 2283 | Isobutyl methacrylate, stabilized | S | S | S | S | S | S | 30.4 |
| 2794 | Batteries, wet, filled with acid, electric storage | S | S | S | S | S | S | 31.6 |
| 2811 | Toxic solids, organic, n.o.s. | S | S | S | S | S | S | 27.5 |
| 2915 | Radioactive material, Type A package non-specified | S | S | S | S | S | S | 27.9 |
| 3166 | Engines, internal combustion, flammable gas powered | S | S | S | S | S | S | 22.6 |
| 3178 | Flammable solid, inorganic, n.o.s. | S | S | S | S | S | S | 27.3 |
| 3268 | Air bag inflators, or Air bag modules, or Seat-belt pretensioners | S | S | S | S | S | S | 26.5 |
| 3295 | Hydrocarbons, liquid, n.o.s. | S | S | S | S | S | S | 31.3 |
| 3316 | Chemical kits | S | S | S | S | S | S | 30.1 |
| – | All other | 18.4 | 9.6 | 24.4 | 9.9 | 31.1 | 7.3 | 9.3 |
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.