HAZMAT Table B–9e ,,,,,,,,
"Estimated Measures of Reliability for Hazardous Material Shipment Characteristics by Air (includes Truck and Air) for Selected UN Numbers: 2002
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"[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 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",,,,,,,,
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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.",,,,,,,,
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SOURCE: Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, Hazmat Data, December 2004.",,,,,,,,