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��Ilft <br /> PON <br /> 8 Battle Mountain Resources,Inc. SEP 1016DIVISI <br /> San Luis Project ON OF <br /> P.O.Box 310 MiN1NGANDs,4 A7*/ON <br /> San Luis,Colorado 81152-0310 ETy <br /> (719)379-0798 <br /> September 10,2018 <br /> Mr. Lucas J. West <br /> State of Colorado <br /> Colorado Department of Reclamation,Mining, & Safety <br /> 1313 Sherman Street,Room 215 <br /> Denver, CO 80203 <br /> Re: Battle Mountain Resources,Inc. <br /> San Luis Project-M-88-112 <br /> August 2018 Monthly Report <br /> Dear Mr. West: <br /> The following summarizes monitoring and site activities at the Battle Mountain Resources Inc. (BMRI) <br /> "San Luis Project" (M-88-112) for the month of August 2018. Surface and groundwater monitoring and <br /> analysis were completed for all the required sites during the month as specified in the TR-32 Quality <br /> Assurance and Quality Control(QA/QC)Plan. <br /> Tailing Facility/Leak Detection System <br /> In August 2018, lysimeters LSIR and LD1R were replaced with two new lysimeters which are identified <br /> as LS 1 R2 and LD1 R2 respectively. The six lysimeters which area part of the Lined Tailing Facility(LTF) <br /> leak detection system were inspected and verified for proper vacuum and operation. As shown in Table 1, <br /> there was no pore space water found to be present in any of the six lysimeter collection pans,therefore,no <br /> sampling or laboratory analysis was required. <br /> Table 1—Monthly Lysimeter Monitoring <br /> L simeter Identification Observation Date Depth to Water feet <br /> LS1R2 08/31/2018 DRY <br /> LS2R2 08/31/2018 DRY <br /> LS3 08/31/2018 DRY <br /> LD1R2 08/31/2018 DRY <br /> LD2R2 08/31/2018 DRY <br /> LD3 08/31/2018 DRY <br /> The ten piezometers located on the tailing impoundment main embankment were inspected and measured <br /> for depth to water. The depths to water found for each piezometer are shown in Table 2. All piezometers <br /> were either dry or contained less than twelve inches of water. <br />