Table 9c. Hazardous Material Shipment Characteristics by Rail for Selected UN Numbers: 2002
Table 9c. Hazardous Material Shipment Characteristics by Rail for Selected UN Numbers: 2002
[Estimates are based on data from the 2002 Commodity Flow Survey. Because of rounding, estimates may not be additive]
UN number 1 | Description | Value | Tons | Ton-miles | Average miles per shipment |
|||
---|---|---|---|---|---|---|---|---|
2002
(million $) |
Percent | 2002 (thousands) |
Percent | 2002 (millions) |
Percent | |||
Total | 31,339 | 100.0 | 109,369 | 100.0 | 72,087 | 100.0 | 695 | |
1010 | Butadienes, stabilized | S | S | S | S | S | S | 715 |
1017 | Chlorine | 371 | 1.2 | 3,626 | 3.3 | 1,951 | 2.7 | 556 |
1055 | Isobutylene see also Petroleum gases, liquefied | S | S | S | S | S | S | 243 |
1075 | Petroleum gases | 3,574 | 11.4 | 12,291 | 11.2 | 6,091 | 8.4 | 671 |
1086 | Vinyl chloride, stabilized | 576 | 1.8 | 1,554 | 1.4 | 1,020 | 1.4 | 651 |
1203 | Gasoline | 759 | 2.4 | 5,083 | 4.6 | 2,389 | 3.3 | 349 |
1230 | Methanol | S | S | S | S | S | S | 1,089 |
1268 | Petroleum distillates, n.o.s. | 589 | 1.9 | 1,662 | 1.5 | 1,287 | 1.8 | 726 |
1805 | Phosphoric acid, liquid | 534 | 1.7 | 1,588 | 1.5 | 1,748 | 2.4 | 1,152 |
1824 | Sodium hydroxide solution | 1,028 | 3.3 | 8,158 | 7.5 | 4,839 | 6.7 | 554 |
1830 | Sulfuric acid | 138 | 0.4 | S | S | S | S | 377 |
1863 | Fuel, aviation, turbine engine | 893 | 2.8 | 4,397 | 4.0 | 1,816 | 2.5 | 413 |
1910 | Calcium oxide | S | S | S | S | S | S | 904 |
1964 | Hydrocarbon gas mixture, compressed, n.o.s. | 701 | 2.2 | 2,434 | 2.2 | 2,393 | 3.3 | 977 |
1987 | Alcohols, n.o.s. | 1,138 | 3.6 | 3,085 | 2.8 | 2,711 | 3.8 | 866 |
1993 | Flammable liquids, n.o.s. | 1,613 | 5.1 | 6,472 | 5.9 | 4,471 | 6.2 | 759 |
1999 | Tars, liquid | 246 | 0.8 | 1,618 | 1.5 | S | S | 523 |
2448 | Sulfur, molten | S | S | 2,452 | 2.2 | 1,859 | 2.6 | 876 |
3082 | Environmentally hazardous substances, liquid, n.o.s. | 1,447 | 4.6 | 2,049 | 1.9 | 1,704 | 2.4 | 901 |
3257 | Elevated temperature liquid, n.o.s. | 1,168 | 3.7 | 9,068 | 8.3 | 6,998 | 9.7 | 885 |
– | All other | 14,169 | 45.2 | 31,339 | 28.7 | 22,437 | 31.1 | 725 |
KEY:
– Represents and 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.
1 UN numbers were selected based on estimated tons without regard to sampling variability.
SOURCE: Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, Hazmat Data, December 2004.