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BATTLE MOUNTAIN RESOURCES, INC. <br />October 07, 2015 <br />Mr. Wally Erickson <br />State of Colorado <br />Division of Reclamation, Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />Re: Battle Mountain Resources Inc. <br />San Luis Project <br />CMLRB Permit No,M-88-112 <br />September 2015 MoRTh'IyReport <br />Dear Mr. Erickson: <br />RECEIVED <br />OCT 13 2015 <br />OMSM OF RECLAMATION <br />WAND SAFETY <br />The following summarizes monitoring and site activities at the Battle Mountain Resources Inc. (BMRI), <br />San Luis Project for the month of September, 2015. <br />Surface and ground water monitoring and analysis were completed for all required sites during the month <br />per the terms and conditions of the TR -32 Quality Assurance and Quality Control (QA/QC) plan. <br />Vacuum on the tailing lysimeters was verified on September 30'', no water was present for sampling and <br />subsequent analysis. <br />Depths to water were collected for the tailing impoundment main embankment piezometers and the West <br />Pit monitoring wells on September 30d. September tailing impoundment piezometer measurements <br />identified these installations were either dry or contained less than 12 inches of water as illustrated in <br />Table 2. Tables 1 and 2 below identify the depth to water measurements collected for each of the site <br />monitoring wells, piezometers and lysimeters as required by the terms and conditions of the TR -32 <br />QA/QC plan. <br />The leak detection system was measured on September 30`h. A total of 870 gallons of water was <br />excavated from the leak detection system yielding a monthly average of 29 gpad. The tailings pond <br />under -drain measured 42gpm. <br />During the month of September, the West Pit water treatment plant operated efficiently discharging a total <br />of 7,474,500 gallons (22.94 acre-feet) of water to Rito Seco Creek and a total of 1,401,900 gallons (4.30 <br />acre-feet) of water was transferred from the West Pit to the tailings impoundment. Seepage along Rito <br />Seco Creek remained dry during the month. <br />P.O. Box 310 • San Luis, Colorado 81152-0310 • (719) 379-0798 • Fax (719) 379-0713 <br />