Table 11c. Hazardous Material Shipment Characteristics by Selected Commodities: Percent of Total for 2007 and 2002

Table 11c. Hazardous Material Shipment Characteristics by Selected Commodities: Percent of Total for 2007 and 2002

Estimates are based on data from the 2007 and 2002 Commodity Flow Surveys. Because of rounding, estimates may not be additive.

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SCTG Code 1 Commodity Description Value (percent) Tons (percent) Ton-miles (percent) 2 Value Standard Error of % Tons Standard Error of % Ton-miles Standard Error of %
2007 2002 2007 2002 2007 2002 2007 2002 2007 2002 2007 2002
  Total 100 100 100 100 100 100 - - - - - -
17 Gasoline and aviation turbine fuel 45.8 42.3 43 48.5 21.2 35.9 1.4 1.5 1.3 1.9 1.7 2.7
18 Fuel oils 25.8 17.6 28.8 25.1 16.8 17.0 0.8 1.1 0.9 1.4 1.9 1.8
19 Coal and petroleum products, n.e.c. 9.2 6.3 11.1 9.1 18.4 12.5 0.7 0.7 0.9 1.1 3 1.5
20 Basic chemicals 10.3 12.7 13.3 12.5 30.9 22.2 0.8 1.4 1 2 1.9 2.4
22 Fertilizers 0.9 0.8 1.7 1.3 4.8 2.6 0.2 0.2 0.3 0.3 1.1 0.5
23 Chemical products and preparations, n.e.c. 3.8 8.0 1.1 1.6 3.2 4.4 0.2 1.1 0.1 0.2 0.2 0.6
99 Commodity Unknown S 12.1 S 2.0 S 5.5 S 0.9 S 0.3 S 0.7

KEY: S = Estimate does not meet publication standards because of high sampling variability or poor response quality. - Zero of Less than half the unit shown; thus, it has been rounded to zero.

1 Standard Classification of Transported Goods.
2 Ton-miles estimates are based on estimated distances traveled along a modeled transportation network.

NOTES: Value-of-shipment estimates are reported in current prices. More information on sampling error, confidentiality protection, nonsampling error, sample design, and definitions may be found at http://www.bts.gov/publications/commodity_flow_survey/.

SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics and U.S. Department of Commerce, U.S. Census Bureau, 2007 Economic Census: Transportation Commodity Flow Survey, December 2009.