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32. 1997 Economic Census





1013. Hazardous Material Shipment Characteristics, by Mode of Transportation



 
Value Tons Ton-miles Average
Mode of transportation miles
Number Number Number per
(mil. dol.) Percent (1,000) Percent (mil.) Percent shipment
 
MODE OF TRANSPORTATION
 
      All modes 466,407 100.0 1,565,196 100.0 263,809 100.0 113
 
    Single modes 452,727 97.1 1,541,716 98.5 258,912 98.1 95
 
Truck 1 298,173 63.9 869,796 55.6 74,939 28.4 73
  For-hire truck 134,308 28.8 336,363 21.5 45,234 17.1 260
  Private truck 160,693 34.5 522,666 33.4 28,847 10.9 35
 
Rail 33,340 7.1 96,626 6.2 74,711 28.3 853
Water 26,951 5.8 143,152 9.1 68,212 25.9 (S)
Air (includes truck and air) 8,558 1.8 66 (Z) 95 (Z) 1,462
Pipeline 2 85,706 18.4 432,075 27.6 (S) (S) (S)
 
    Multiple modes 5,735 1.2 6,022 0.4 3,061 1.2 645
 
Parcel, U.S. Postal Service or courier 2,874 0.6 143 (Z) 78 (Z) 697
Other multiple modes 2,861 0.6 5,879 0.4 2,982 1.1 (S)
 
    Other and unknown modes 7,945 1.7 17,459 1.1 1,837 0.7 38
 
HAZARDOUS CLASS
AND DESCRIPTION
 
    Total 466,407 100.0 1,565,196 100.0 263,809 100.0 113
 
Class 1, explosives 4,342 0.9 1,517 0.1 (S) (S) 549
Class 2, gases 40,884 8.8 115,021 7.3 21,842 8.3 66
Class 3, flammable liquids 335,619 72.0 1,264,281 80.8 159,979 60.6 73
Class 4, flammable solids 3,898 0.8 11,804 0.8 9,618 3.6 838
 
Class 5, oxidizers and organic peroxides 4,485 1.0 9,239 0.6 4,471 1.7 193
Class 6, toxic (poison) 10,086 2.2 6,366 0.4 2,824 1.1 402
Class 7, radioactive materials 2,722 0.6 87 (Z) 48 (Z) 445
Class 8, corrosive materials 40,423 8.7 91,564 5.9 41,161 15.6 201
Class 9, misc. dangerous goods 23,946 5.1 65,317 4.2 22,727 8.6 323


S Data do not meet publication standards because of high sampling variability or other reasons. Z Represents or rounds to zero.
1 "Truck" as a single mode includes shipments which went by private truck only, for-hire truck only or a combination of private truck and for-hire truck.
2 Commodity Flow Survey data exclude most shipments of crude oil.

Source: U.S. Bureau of Transportation Statistics and U.S. Census Bureau, 1997 Economic Census, Transportation, Hazardous Materials, series EC97TCF-US(HM)RV.

http://www.census.gov/econ/www/cfsmain.html * COMMODITY FLOW SURVEY

PURPOSE

The 1997 Commodity Flow Survey (CFS) is undertaken through a partnership between the Bureau of the Census, U.S. Department of Commerce, and the Bureau of Transportation Statistics, U.S. Department of Transportation. This survey produces data on the movement of goods in the United States. The data from the CFS are used by public policy analysts and for transportation planning and decision-making to assess the demand for transportation facilities and services, energy use, and safety risk and environmental concerns.

COVERAGE

The 1997 CFS covers business establishments in mining, manufacturing, wholesale trade, and selected retail industries. The survey also covers selected auxiliary establishments (e.g., warehouses) of in-scope multiunit and retail companies. The survey coverage excludes establishments classified as farms, forestry, fisheries, governments, construction, transportation, foreign establishments, services, and most establishments in retail.

CONTENT

The CFS captures data on shipments originating from selected types of business establishments located in the 50 states and the District of Columbia. We requested that the respondent provide the following information about their establishments shipments: domestic destination or port of exit, commodity, value, weight, mode(s) of transportation, the date on which the shipment was made, and an indication of whether the shipment was an export, hazardous material, or containerized. For shipments that include more than one commodity, respondents are instructed to report the commodity that makes up the greatest percentage of the shipments weight. For exports, we also ask the respondent to provide the mode of export and the foreign destination city and country. For hazardous materials shipments, we ask for the correspsonding UN/NA code.

FREQUENCY

The survey was initiated for 1993. Beginning with 1997, the survey will be conducted every 5 years for years ending in "2" and "7." Commodity surveys were conducted between 1963 and 1983, but data for 1983 were not published. No data were collected for 1987.

METHODS

The 1997 CFS consists of a sample of 100,000 establishments chosen based on geographic location and industry. Each establishment selected into the CFS sample is mailed a questionnaire for each of its four reporting weeks. For the CFS '97 each sampled establishment was asked to report on a sample of individual shipments during a one week period in each calendar quarter. In addition, about 20,000 establishments received a modified questionnaire for their final reporting period,requesting additional information on transportation facilities and equipment. *



https://allcountries.org/uscensus/1013_hazardous_material_shipment_characteristics_by_mode.html

These tables are based on figures supplied by the United States Census Bureau, U.S. Department of Commerce and are subject to revision by the Census Bureau.

Copyright © 2006 Photius Coutsoukis and Information Technology Associates, all rights reserved.