2018-08-14_HYDROLOGY - M1988112 - Laserfiche WebLink

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Battle Mountain Resources, Inc. San Luis Project P.O. Box 310 San Luis, Colorado 81152-0310 (719) 379-0798 August 10, 2018 Mr. Lucas J. West State of Colorado Colorado Department of Reclamation, Mining, & Safety 1313 Sherman Street, Room 215 Denver, CO 80203 Re: Battle Mountain Resources, Inc. San Luis Project - M-88-112 July 2018 Monthly Report Dear Mr. West: Vt,ecF O 14 10b eclsm§l l®fi, pivisM 0 8, SAW The following summarizes monitoring and site activities at the Battle Mountain Resources Inc. (BMRI) "San Luis Project" (M-88-112) for the month of July 2018. Surface and groundwater monitoring and analysis were completed for all the required sites during the month as specified in the TR -32 Quality Assurance and Quality Control (QA/QC) Plan. Tailing Facility / Leak Detection System The six lysimeters which are a part of the Lined Tailing Facility (LTF) leak detection system were inspected and verified for proper vacuum and operation. As shown in Table 1, there was no pore space water found to be present in any of the six lysimeter collection pans, therefore, no sampling or laboratory analysis was required. Table 1— Monthly Lysimeter Monitoring L simeter Identification Observation Date Depth to Water feet LS1R 07/31/2018 DRY LS2R2 07/31/2018 DRY LS3 07/31/2018 DRY LD1R 07/31/2018 DRY LD2R2 07/31/2018 DRY LD3 07/31/2018 DRY The ten piezometers located on the tailing impoundment main embankment were inspected and measured for depth to water. The depths to water found for each piezometer are shown in Table 2. All piezometers were either dry or contained less than twelve inches of water.