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| TABLE 2 | |||||||||
| SELLING PRICES FOR IRON AND STEEL SLAG | |||||||||
| IN THE UNITED STATES1 | |||||||||
| (Dollars per metric ton) | |||||||||
| 2005 | 2006 | ||||||||
| Slag type | Range | Average | Range | Average | |||||
| Blast furnace slag: | |||||||||
| Air-cooled | 2.76-17.50 | 6.78 | r | 3.03-16.26 | 6.63 | ||||
| Granulated2 | 17.63-88.18 | 67.22 | r | 19.29-94.80 | 79.18 | ||||
| Steel slag | 0.22-12.85 | 4.45 | 0.49-13.16 | 4.58 | |||||
| rRevised. | |||||||||
| 1Data contain a large component of estimates and some respondents provide | |||||||||
| values only on their total sales of a slag type instead of value by type of use. | |||||||||
| Thus the value ranges shown are likely too restrictive. | |||||||||
| 2Values are for material reported for use as a cementitious additive in cement | |||||||||
| or concrete manufacture. Material at or near the low end of the range was | |||||||||
| sold in unground form. Sales other than for cementitious use were generally | |||||||||
| at unit values below the ranges shown. | |||||||||
Source: United States Geological Survey Mineral Resources Program