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existing mine workings, and is drilled to a depth of 480 ft., 390 ft. below the mine <br />workings. These locations were selected after consultation with DBMS. <br />6.4.20: Leachate should not be present as long as the waste is not placed in an area with <br />groundwater. As clarified previously, DRMS will be notified within 10 working days if <br />any waste rock or ore is in danger of coming into contact with groundwater. <br />