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Open-File Report 00-0150

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Update and Revisions for Open-File Report 98-624, Synthetic Precipitation Leaching Procedure (SPLP) Leachate Chemistry Data for Solid Mine-Waste Composite Samples from Southwestern New Mexico, and Leadville, Colorado

By Philip L. Hageman, George A. Desborough, Paul J. Lamothe, and Peter J. Theodorakos

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This report supersedes, revises, and updates information and data previously released in Open-File Report 98-624 (Montour and others, 1998). Data for this report were derived from leaching of mine-waste composite samples using a modification of E.P. A. Method 1312, Synthetic Precipitation Leaching Procedure (SPLP). In 1997, members of the U.S. Geological Survey Mine Waste Characterization Project collected four mine-waste composite samples from mining districts near Silverton, Colorado (MAY and YUK), and near Leadville, Colorado (VEN and SUN). This report presents analytical results from these sites.

Version 1.0

Posted January 2007

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