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The historic and current water quality data show that the mine drainage water has a pH <br />ranging from 8.4 to 9.0 with low levels of sulfides, suspended solids and most other <br />contaminants. Based on the available data, the following metal species may be present in <br />the untreated water at higher levels than allowable for surface release without treatment: <br />Radium, Uranium, Arsenic and Selenium. <br />• <br />• <br />4