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ENERGY .1 Trust our People.Trust our Data. r <br /> Billings.MT 800.135.4489•Casper,WY 888.235.0515 <br /> �'' `-' "_c'" ;-1 Gillette.WY 866.686.7175•Helena,MT 877.472.0711 <br /> LABORATORY ANALYTICAL REPORT <br /> Prepared by Casper,WY Branch <br /> Client: Cotter Corporation Report Date: 09/28/17 <br /> Project: Schwartzwalder Mine Collection Date: 08/02/17 <br /> Lab ID: C17090481-005 DateReceived: 09/15/17 <br /> Client Sample ID: SW-AWD(18-00691) Matrix: Aqueous <br /> MCL! <br /> Analyses Result Units Qualifiers RL QCL Method Analysis Date 1 By <br /> METALS,DISSOLVED <br /> Calcium 36 5 mg/L 0.1 E200.7 09/20/17 21:21/eli-b <br /> Iron 0.08 mg/L 0 03 E200.8 09/20/17 22:451 eli-b <br /> Magnesium 9 6 mg/L 0.1 E200.7 09/20/17 21:21/eli-b <br /> Manganese 0 012 mg/L 0 005 E200.8 09/20/17 22.45/eli-b <br /> Molybdenum ND mg/L 0.005 E200 8 09/20/17 22:45/eli-b <br /> Potassium 2.2 mg/L 0 1 E200.7 09/20/17 21:21/eli-b <br /> Sodium 16.7 mg/L L 0.2 E200 7 09/20/17 21.21 /el-b <br /> Uranium 0 0022 mg/L 0.0002 E200.8 09/20/17 2245/eli-b <br /> Zinc 0.005 mg/L 0 005 E200.7 09/20/17 21.21 /eli-b <br /> METALS,TOTAL <br /> Arsenic ND mg/L 0.001 E200.8 09/21/17 22 49/eli-b <br /> Iron 0.08 mg/L 0.03 E200.8 09/21/17 22.49/eli-b <br /> Lead ND mg/L 0.005 E200.8 09/21/17 22.49/eli-b <br /> Manganese 0 013 mg/L 0 005 E200.8 09/21/17 22:49/eli-b <br /> Molybdenum ND mg/L 0 005 E200.8 09/21/17 22:49/eli-b <br /> Uranium 0 0028 mg/L 0.0002 E200.8 09/21/17 22 49/eli-b <br /> Zinc ND mg/L 0.005 E200.8 09/21/17 22 49/eli-b <br /> RADIONUCLIDES,DISSOLVED <br /> Radium 226 0.2 pCi/L U E903 0 09/25/17 08:24/arh <br /> Radium 226 precision(±) 0.2 pCi/L E903.0 09/25/17 08:24/arh <br /> Radium 226 MDC 0.2 pCi/L E903.0 09/25/17 08:24/arh <br /> RADIONUCLIDES,TOTAL <br /> Radium 226 0.2 pCi/L U E903.0 09/27/17 1334/arh <br /> Radium 226 precision(±) 0.1 pCi/L E903.0 09/27/17 13.34/arh <br /> Radium 226 MDC 0.2 pCi/L E903.0 09/27/17 13 34/arh <br /> Radium 228 0.7 pCi/L U RA-05 09/22/17 15:47/trs <br /> Radium 228 precision(±) 1 2 pCi/L RA-05 09/22/17 15:47/trs <br /> Radium 228 MDC 2.0 pCi/L RA-05 09/22/17 15:47/trs <br /> Radium 226+Radium 228 0 8 pCi/L U A7500-RA 09/27/17 1854/sec <br /> Radium 226+Radium 228 precision(±) 1 2 pCi/L A7500-RA 09/27/17 18.54/sec <br /> Radium 226+Radium 228 MDC 2.0 pCi/L A7500-RA 09/27/17 18:54/sec <br /> Report RL-Analyte reporting limit. MCL-Maximum contaminant level. <br /> Definitions: QCL-Quality control limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration L-Lowest available reporting limit for the analytical <br /> method used. <br /> U-Not detected at minimum detectable concentration <br /> Pane 8 of41 <br />