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Diana Grady Posts: 359 Joined: 11/14/2007
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This 2004 circular presents the results of flow studies for recycling of 26 metal commodities, including chromium, magnesium, niobium, tantalum, molybdenum, cobalt and others. According to this report, recycled metals account for more than half of the U. S. metal supply by weight and about 40 percent by value.
Source: Sibley, S. F. "Flow Studies for Recycling Metal Commodities in the United States". Circular 1196-A-M. U. S. Department of the Interior. U. S. Geological Survey. Reston, Virginia: 2004. Read Report |
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Diana Grady Posts: 359 Joined: 11/14/2007
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Also check out http://minerals.usgs.gov/miner...ubs/commodity/recycle/ where you will find the latest U.S. Dept. of Interior USGS Minerals Yearbook reports on recycling metals as well as archive reports from 1932.
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