Table 11c. Hazardous Material Shipment Characteristics by Selected Commodities: Percent of Total for 2007 and 2002
Table 11c. Hazardous Material Shipment Characteristics by Selected Commodities: Percent of Total for 2007 and 2002
Estimates are based on data from the 2007 and 2002 Commodity Flow Surveys. Because of rounding, estimates may not be additive.
| SCTG Code 1 | Commodity Description | Value (percent) | Tons (percent) | Ton-miles (percent) 2 | Value Standard Error of % | Tons Standard Error of % | Ton-miles Standard Error of % | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2007 | 2002 | 2007 | 2002 | 2007 | 2002 | 2007 | 2002 | 2007 | 2002 | 2007 | 2002 | ||
| Total | 100 | 100 | 100 | 100 | 100 | 100 | - | - | - | - | - | - | |
| 17 | Gasoline and aviation turbine fuel | 45.8 | 42.3 | 43 | 48.5 | 21.2 | 35.9 | 1.4 | 1.5 | 1.3 | 1.9 | 1.7 | 2.7 |
| 18 | Fuel oils | 25.8 | 17.6 | 28.8 | 25.1 | 16.8 | 17.0 | 0.8 | 1.1 | 0.9 | 1.4 | 1.9 | 1.8 |
| 19 | Coal and petroleum products, n.e.c. | 9.2 | 6.3 | 11.1 | 9.1 | 18.4 | 12.5 | 0.7 | 0.7 | 0.9 | 1.1 | 3 | 1.5 |
| 20 | Basic chemicals | 10.3 | 12.7 | 13.3 | 12.5 | 30.9 | 22.2 | 0.8 | 1.4 | 1 | 2 | 1.9 | 2.4 |
| 22 | Fertilizers | 0.9 | 0.8 | 1.7 | 1.3 | 4.8 | 2.6 | 0.2 | 0.2 | 0.3 | 0.3 | 1.1 | 0.5 |
| 23 | Chemical products and preparations, n.e.c. | 3.8 | 8.0 | 1.1 | 1.6 | 3.2 | 4.4 | 0.2 | 1.1 | 0.1 | 0.2 | 0.2 | 0.6 |
| 99 | Commodity Unknown | S | 12.1 | S | 2.0 | S | 5.5 | S | 0.9 | S | 0.3 | S | 0.7 |
KEY: S = Estimate does not meet publication standards because of high sampling variability or poor response quality. - Zero of Less than half the unit shown; thus, it has been rounded to zero.
1 Standard
Classification of Transported Goods.
2 Ton-miles estimates are based on estimated distances traveled along a
modeled transportation network.
NOTES: Value-of-shipment estimates are reported in current prices. More information on sampling error, confidentiality protection, nonsampling error, sample design, and definitions may be found at http://www.bts.gov/publications/commodity_flow_survey/.
SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics and U.S. Department of Commerce, U.S. Census Bureau, 2007 Economic Census: Transportation Commodity Flow Survey, December 2009.