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This report is a rewritten and enhanced version based on M. D. Gerst and T. E. Graedel, Environmental Science &amp; Technology, 42, 7038 – 7045, 2008. Parts of it were developed at a workshop held August 15 – 16, 2008. 


The lead author of this report is T.E. Graedel and it was edited by the International Panel for Sustainable Resource Management, Working Group on the Global Metal Flows.

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