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Table 15b. Hazardous Material Shipment Characteristics for Packing Group I: Percent of Total for 2007 and 2002

Tuesday, July 3, 2012

Table 15b. Hazardous Material Shipment Characteristics for Packing Group I: 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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Description Value (percent) Tons (percent) Ton-miles (percent) 1 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 - - - - - -
Packing Group I 27 26.9 26.2 26.3 22.3 24.5 0.9 0.9 1.2 1 1.7 2.1

KEY: - = Zero or Less than half the unit shown; thus, it has been rounded to zero.

1 Ton-miles estimates are based on estimated distances traveled along a modeled transportation network.

NOTES: Packing Groups I, II, and III reflect the level of hazard associated with the material being shipped. Packing Group I is the most rigorous. 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.