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U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5106

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Acknowledgments

The author gratefully acknowledges the collaboration of several colleagues at the USEPA OW who helped to shape the revisions to the HBSL methodology described in this report. Representatives from USEPA OW Office of Science and Technology and Office of Ground Water and Drinking Water provided critical contributions to the revised HBSL methodology at meetings held August 31 and September 15, 2005, in Washington, DC, and in subsequent discussions.

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