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Table 14a. Hazardous Material Shipment Characteristics for Toxic by Inhalation (TIH) for the United States: 2012

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(Estimates are based on data from the 2012 Commodity Flow Survey. Because of rounding, estimates may not be additive)

Description Value Tons Ton-miles (1)
2012
(million dollars)
Percent of total 2012
(thousands)
Percent of total 2012
(millions)
Percent of total
Total 2,334,425 100.0 2,580,153 100.0 307,524 100.0
Toxic by Inhalation 17,241 0.7 32,470 1.3 9,923 3.2

(1) Ton-miles estimates are based on estimated distances traveled along a modeled transportation network. See “Mileage Calculations” section for additional information.

NOTES: Value-of-shipments estimates have not been adjusted for price changes. Appendix B tables provide estimated measures of sampling variability. 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/econ/cfs>.

Toxic by inhalation (TIH)—gases and volatile liquids that are toxic when inhaled.

SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics and U.S. Department of Commerce, U.S. Census Bureau, 2012 Economic Census: Transportation Commodity Flow Survey, December 2014.

Updated: Friday, May 19, 2017