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" www.energylab.eom Helena, MT 877- 472 -0711 • Billings, MT 800- 735 -4489 • Casper, WY 888 -235 -8515 <br />ftell"mskic'tm J Gillette, IVY 866 -666 -7175 • Rapid City, S© 888 -672 -1225 • College Station, TX 888 -690 -2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 01/08/14 <br />Project: Schwartz -GW 12/11/13 S27332 Collection Date: 12/11/13 10:25 <br />Lab ID: C13120406 -001 DateReceived: 12/12/13 <br />Client Sample ID: Mine Refill (S27332) Matrix: Aqueous <br />MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />MAJOR IONS <br />Chloride <br />23 <br />mg /L <br />D 2 <br />E300.0 <br />12/16/13 15:18 / we <br />Sulfate <br />1560 <br />mg /L <br />D 8 <br />E300.0 <br />12/16/13 15:18 / we <br />NON - METALS <br />4.33 <br />mg /L <br />0.03 <br />E200.7 <br />12/19/13 19:37 / sf <br />Organic Carbon, Total (TOC) <br />10.3 <br />mg /L <br />0.5 <br />A5310 C <br />12/12/13 16:42 / jba <br />PHYSICAL PROPERTIES <br />0.211 <br />mg /L <br />0.001 <br />E200.8 <br />12/18/13 15:47 / elm <br />Solids, Total Dissolved TDS @ 180 C <br />2850 <br />mg /L <br />20 <br />A2540 C <br />12/13/13 14:31 / alp <br />METALS - DISSOLVED <br />pCi /L <br />A7500 -RA <br />01 /07/14 12:21 / res <br />Radium 226 + Radium 228 MDC <br />1.2 <br />Arsenic <br />0.002 <br />mg /L <br />0.001 <br />E200.8 <br />12/13/13 17:57 / elm <br />Barium <br />ND <br />mg /L <br />0.05 <br />E200.8 <br />12/13/13 17:57 / elm <br />Iron <br />2.60 <br />mg /L <br />0.03 <br />E200.7 <br />12/16/13 20:32 / sf <br />Manganese <br />2.59 <br />mg /L <br />0.001 <br />E200.8 <br />12/13/13 17:57 / elm <br />Molybdenum <br />0.018 <br />mg /L <br />0.001 <br />E200.8 <br />12/13/13 17:57 / elm <br />Uranium <br />2.26 <br />mg /L <br />0.0003 <br />E200.8 <br />12/13/13 17:57 / elm <br />METALS -TOTAL <br />Arsenic <br />0.014 <br />mg /L <br />0.001 <br />E200.8 <br />12/18/13 15:47 / elm <br />Barium <br />ND <br />mg /L <br />0.05 <br />E200.8 <br />12/18/13 15:47 / elm <br />Iron <br />4.33 <br />mg /L <br />0.03 <br />E200.7 <br />12/19/13 19:37 / sf <br />Manganese <br />2.72 <br />mg /L <br />0.001 <br />E200.8 <br />12/18/13 15:47 / elm <br />Molybdenum <br />0.211 <br />mg /L <br />0.001 <br />E200.8 <br />12/18/13 15:47 / elm <br />Uranium <br />3.32 <br />mg /L <br />0.0003 <br />E200.8 <br />12/18/13 15:47 / elm <br />RADIONUCLIDES - TOTAL <br />Radium 226 <br />183 <br />pCi /L <br />E903.0 <br />01/06/14 13:03 / Imc <br />Radium 226 precision ( ±) <br />2.4 <br />pCi /L <br />E903.0 <br />01/06/14 13:03 / Imc <br />Radium 226 MDC <br />0.15 <br />pCi /L <br />E903.0 <br />01/06/14 13:03 / Imc <br />Radium 228 <br />2.2 <br />pCi /L <br />RA -05 <br />12/31/13 10:22 / plj <br />Radium 228 precision ( ±) <br />0.83 <br />pCi /L <br />RA -05 <br />12/31/13 10:22 / plj <br />Radium 228 MDC <br />1.2 <br />pCi /L <br />RA -05 <br />12/31/13 10:22 / plj <br />Radium 226 + Radium 228 <br />185 <br />pCi /L <br />A7500 -RA <br />01/07/14 12:21 / res <br />Radium 226 + Radium 228 precision ( ±) <br />2.6 <br />pCi /L <br />A7500 -RA <br />01 /07/14 12:21 / res <br />Radium 226 + Radium 228 MDC <br />1.2 <br />pCi /L <br />A7500 -RA <br />01/07/14 12:21 / res <br />FIELD PARAMETERS <br />Field Conductivity <br />3213 <br />umhos /cm <br />FIELD <br />12/11/13 10:25 <br />Field pH <br />7.01 <br />s.u. <br />FIELD <br />12/11/13 10:25 <br />Field Temperature, C <br />18.0 <br />'C <br />FIELD <br />12/11/13 10:25 <br />Oxidation - Reduction Potential (ORP) <br />64 <br />mV <br />FIELD <br />12/11/13 10:25 <br />* ** Field data provided by client <br />Report RL - Analyte reporting limit. <br />MCL - Maximum contaminant level. <br />Definitions: QCL - Quality control limit. <br />ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />D - RL increased due to sample matrix. <br />Page 2 of 14 <br />