Table 2c. Hazardous Material Shipment Characteristics by Hazard Class: Percent of Total for 2002 and 1997

[Estimates are based on data from the 2002 and 1997 Commodity Flow Surveys. Because of rounding, estimates may not be additive]

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Table B-15a. Estimated Measures of Reliability for Hazardous Material Shipment Characteristics for Packing Group I: 2002

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

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Table 9f. Hazardous Material Shipment Characteristics by Pipeline for Selected UN Numbers: 2002

[Estimates are based on data from the 2002 Commodity Flow Survey. Because of rounding, estimates may not be additive]

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Table 16b. Hazardous Material Shipment Characteristics for Export by Country of Destination: 2002 and 1997

[Estimates are based on data from the 2002 and 1997 Commodity Flow Surveys. Because of rounding, estimates may not be additive]

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Table 16a. Hazardous Material Shipment Characteristics for Export by Country of Destination: 2002

[Estimates are based on data from the 2002 Commodity Flow Survey. Because of rounding, estimates may not be additive]

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Appendix B - Reliability of the Estimates

The estimates in this publication may differ from the actual, unknown population values. Statisticians define this difference as the total error of the estimate. When describing the accuracy of survey results, it is convenient to discuss total error...

Table B-11a. Estimated Measures of Reliability for Hazardous Material Shipment Characteristics by Selected Commodities: 2002

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

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Table B-6c. Estimated Standard Error of Percentage for Hazardous Material Shipment Characteristics by Hazard Class and Mode of Transportation: Percent of Total for 2002 and 1997

[Estimates are shown as percents and are based on data from the 2002 and 1997 Commodity Flow Surveys]

Table B-9e. Estimated Measures of Reliability for Hazardous Material Shipment Characteristics by Air (includes Truck and Air) for Selected UN Numbers: 2002

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

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Table B-11b. Estimated Measures of Reliability for Hazardous Material Shipment Characteristics by Selected Commodities: 2002 and 1997

[Estimates are shown as percents and are based on data from the 2002 and 1997Commodity Flow Surveys]

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