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iii iiiiiiiiiiiu iii <br />--~, s, ,-. ,. " , <br />BATTLE MOUNTAIN GOLD COMPANY <br />,iAY + i ";~ <br />~~; _xti <br />flATILE MWNIAIN <br />GOLD COMPANY <br />May 8, 1990 <br />Mr. Steve Renner <br />Senior Reclamation Specialist <br />Colorado Mined Land Reclamation Division <br />1313 Sherman St. <br />215 Centennial Building <br />Denver, Colorado 80203-2273 <br />RE: Final Tailings Humidity Cell Test Results <br />Dear Steve: <br />Enclosed for your review are results from humidity cell tests <br />performed on San Luis tailings through week fourteen. <br />Though not conclusive, the results confirm the tailings <br />continue to provide acid generation buffering capacity. The <br />buffering capacity is in amounts in excess of those recognized to <br />suppress acid generation. Battle Mountain Resources ensures that <br />excess buffering capacity is available at the point of tailings <br />disposition as specified in the amended permit. <br />Test results from operational monitoring of tailings <br />deposition will provide useful data. In the future when sufficient <br />data has been developed, Battle Mountain Resources may seek <br />approval from the CMLRB to reduce the required monitoring <br />frequency. <br />Sincerely, <br />~a~~~~ <br />Matt R. Lewis <br />Environmental Coordinator <br />MRL/sew <br />B7/900507A.doc <br />cc: Gary Dodson <br />3J? CLAY STREET 4?ND FLOOR HOUSTON. TEXAS 77002 17131 650 6400 FAX (713) 650-3636 TELEX 761641 <br />