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• WWW.energyla OM ( Helena, MT 677472 -0711 • Billings, MT 801- 7354488 • Casper, WY 888 -235 -0515 <br />SAM 1W J Gillette, WY 866- 686 -7175 • Rapid city, SD 888 -672 -1225 • College Station, TX 888 -690 -2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: <br />Cotter Corporation <br />Report Date: <br />02/17/15 <br />Project: <br />Schwartz - GW 1/28/15 S28066, S28069, S28071 <br />Collection Date: <br />01/28/15 11:00 <br />Lab ID: <br />C15010751 -002 <br />Date Received: <br />01/29/15 <br />Client Sample ID: <br />Mine Refill (S28069) <br />Matrix: <br />Aqueous <br />E353.2 <br />01/30/15 12:37 / Ir <br />MCL/ <br />0.02 <br />Analyses <br />Result Units Qualifiers RL <br />QCL Method Analysis Date / By <br />MAJOR IONS <br />Fluoride <br />0.8 <br />mg /L <br />0.1 <br />A4500 -F C <br />01/30/15 11:55 / we <br />Nitrogen, Nitrate +Nitrite as N <br />ND <br />mg /L <br />0.1 <br />E353.2 <br />01/30/15 12:37 / Ir <br />Phosphorus, Total as P <br />0.02 <br />mg /L <br />0.01 <br />E365.1 <br />02/05/15 10:48 / eli -b <br />METALS - DISSOLVED <br />Aluminum <br />ND <br />mg /L <br />0.2 <br />E200.8 <br />01/31/15 03:39 / elm <br />Antimony <br />ND <br />mg /L <br />0.001 <br />E200.8 <br />01/31/15 03:39 / elm <br />Copper <br />0.002 <br />mg /L <br />0.001 <br />E200.8 <br />01/31/15 03:39 / elm <br />Mercury <br />ND <br />mg /L <br />0.0001 <br />E200.8 <br />02/02/15 23:45 / elm <br />Silver <br />ND <br />mg /L <br />0.00005 <br />E200.8 <br />02/02/15 23:45 / elm <br />Thallium <br />ND <br />mg /L <br />0.0002 <br />E200.8 <br />01/31/15 03:39 / clm <br />METALS -TOTAL <br />Aluminum <br />ND <br />mg /L <br />0.2 <br />E200.7 <br />02/04/15 14:24 / sf <br />Antimony <br />ND <br />mg /L <br />0.001 <br />E200.8 <br />02/04/15 18:54 / elm <br />Boron <br />0.3 <br />mg /L <br />0.1 <br />E200.7 <br />02/04/15 14:24 / sf <br />Chromium <br />ND <br />mg /L <br />0.001 <br />E200.8 <br />02/04/15 18:54 / elm <br />Copper <br />0.002 <br />mg /L <br />0.001 <br />E200.8 <br />02/04/15 18:54 / elm <br />Mercury <br />ND <br />mg /L <br />0.0001 <br />E245.1 <br />02/04/15 17:07 / eli -b <br />Silver <br />ND <br />mg /L <br />0.00005 <br />E200.8 <br />02/04/15 18:54 / clm <br />Thallium <br />0.0002 <br />mg /L <br />0.0002 <br />E200.8 <br />02/04/15 18:54 / clm <br />RADIONUCLIDES -TOTAL <br />Gross Alpha <br />3320 <br />pCi /L <br />E900.0 <br />02/06/15 20:14 / plj <br />Gross Alpha precision ( ±) <br />645 <br />pCi /L <br />E900.0 <br />02/06/15 20:14 / plj <br />Gross Alpha MDC <br />10.8 <br />pCi /L <br />E900.0 <br />02/06/15 20:14 / plj <br />Gross Beta <br />722 <br />pCi /L <br />E900.0 <br />02/06/15 20:14 / plj <br />Gross Beta precision ( ±) <br />73.9 <br />pCi /L <br />E900.0 <br />02/06/15 20:14 / plj <br />Gross Beta MDC <br />10.3 <br />pCi /L <br />E900.0 <br />02/06/15 20:14 / plj <br />CLIENT PROVIDED FIELD PARAMETERS <br />Field Conductivity <br />3045 <br />umhos /cm <br />FIELD <br />01/28/15 11:00 / * ** <br />Field pH <br />7.09 <br />s.u. <br />FIELD <br />01/28/15 11:00 / * ** <br />Field Temperature, C <br />17.2 <br />°C <br />FIELD <br />01/28/15 11:00 / * ** <br />Oxidation - Reduction Potential (ORP) <br />504 <br />mV <br />FIELD <br />01/28/15 11:00 / * ** <br />"' Field data provided by client <br />Report RL - Analyte reporting limit. <br />Definitions: QCL - Quality control limit. <br />MDC - Minimum detectable concentration <br />MCL - Maximum contaminant level. <br />ND - Not detected at the reporting limit. <br />Page 4 of 23 <br />