Table B-5b. Estimated Measures of Reliability for Hazardous Material Shipment Characteristics by Selected State of Destination: 2002

Table B-5b. Estimated Measures of Reliability for Hazardous Material Shipment Characteristics by Selected State of Destination: 2002

[Estimates are shown as percents and are based on data from the 2002 Commodity Flow Survey]

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State of destination Value Tons Ton-miles CV of average miles
per shipment
CV Std. error of percent CV Std. error of percent CV Std. error of percent
Total 3.0 4.2 4.4 7.1
Texas 13.3 1.9 16.4 2.6 9.4 1.5 22.0
California 8.1 1.0 10.3 1.1 18.1 1.7 22.0
Louisiana 11.5 0.6 11.0 0.7 26.4 1.1 23.5
Ohio 11.0 0.5 18.9 0.8 20.1 1.1 35.1
Illinois 13.7 0.6 15.5 0.6 25.1 1.2 S
Florida 10.2 0.5 9.7 0.5 18.9 1.5 13.6
New Jersey 16.8 0.6 25.7 1.0 35.2 1.6 S
Michigan 10.6 0.4 15.6 0.5 10.9 0.3 37.7
Indiana 18.6 0.6 27.9 0.9 11.9 0.2 46.9
Pennsylvania 11.1 0.3 13.6 0.3 9.3 0.1 35.2
Tennessee 17.5 0.4 25.6 0.5 22.4 0.5 23.5
New York 16.0 0.4 22.5 0.5 24.0 0.8 27.6
Georgia 9.1 0.2 15.8 0.4 7.7 0.1 26.3
Washington 11.8 0.3 12.9 0.3 18.5 0.4 47.1
Kentucky 13.1 0.2 16.5 0.3 19.3 0.6 S
Mississippi 12.8 0.2 13.7 0.2 14.4 0.2 S
North Carolina 14.7 0.4 16.6 0.3 13.3 0.2 43.1
Alabama 15.5 0.2 16.1 0.2 11.5 0.1 43.4
Utah 16.5 0.2 21.0 0.3 19.1 0.1 27.2
Missouri 12.9 0.2 14.0 0.2 11.7 0.1 45.6
All other states 4.2 0.6 3.9 0.8 6.7 1.0 8.7

KEY:
– Represents an estimate equal to zero or less than 1 unit of measure.
S Estimate does not meet publication standards because of highly sampling variability or poor response quality.
CV Coefficient of variation of number

NOTE: 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/cfs.

SOURCE: Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, Hazmat Data, December 2004.