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Table 17. Hazardous Material Shipment Characteristics for Selected NAICS (1) Codes 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)

NAICS code NAICS title Value Tons Ton-miles (2) Average miles per shipment
2012
(million dollars)
Percent of total 2012
(thousands)
Percent of total 2012
(millions)
Percent of total
  Total 2,334,425 100.0 2,580,153 100.0 307,524 100.0 114
324 Petroleum and coal products manufacturing 733,905 31.4 859,534 33.3 116,130 37.8 119
325 Chemical manufacturing 206,558 8.8 245,532 9.5 111,743 36.3 510
424 Merchant wholesalers, nondurable goods 1,209,687 51.8 1,331,465 51.6 62,543 20.3 56
4246 Chemical and allied products merchant wholesalers 48,989 2.1 59,300 2.3 7,812 2.5 70
4247 Petroleum and petroleum products merchant wholesalers 1,122,932 48.1 1,248,674 48.4 45,703 14.9 41
4931 Warehousing and storage 60,102 2.6 52,625 2.0 3,632 1.2 260

(1) NAICS codes shown had the highest estimated weight without considering sampling variability and are shown in descending order.

(2) 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>.

NAICS codes shown are those covered in the Commodity Flow Survey.

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