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| TABLE 1 | ||||||||||||||||||||
| IRON AND STEEL SLAG SOLD OR USED IN THE UNITED STATES | ||||||||||||||||||||
| (Million metric tons and million dollars) | ||||||||||||||||||||
| 2005 | 2006 | |||||||||||||||||||
| Blast furnace slagr, 1 | Steel | Total iron� | Blast furnace slag1 | Steel | Total iron� | |||||||||||||||
| Air-cooled | Granulated� | Total2 | furnace slag | and steel slag2 | Air-cooled | Granulated� | Total2 | furnace slag | and steel slag2 | |||||||||||
| Quantity3� | 7.6 | 4.4 | 12.0 | 8.7 | 20.7 | r | 7.3 | 4.2 | 11.6 | 8.7 | 20.3 | |||||||||
| Valuee, 4 | 52 | 275 | 327 | 39 | 365 | r | 49 | 318 | 367 | 40 | 406 | |||||||||
| eEstimated. rRevised. | ||||||||||||||||||||
| 1Excludes expanded (pelletized) slag to avoid disclosing company proprietary data. The quantities are very small (about 0.1 unit or less).� | ||||||||||||||||||||
| 2Data may not add to totals shown because of independent rounding. | ||||||||||||||||||||
| 3Quantities are rounded to reflect inclusion of some estimated data and to reflect inherent accuracy limitations of reported data.� | ||||||||||||||||||||
| 4Values are rounded because of the inclusion of a large estimated component. | ||||||||||||||||||||
Source: United States Geological Survey Mineral Resources Program