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• , 1111l www.energylab.com Helena, MT 877 -472 -0711 • Billings, M1 600 - 735 -4409 • Casper, WY 888 -235 -0515 <br />�' 1932 Gillette, WY 866- 666 -7175 • Rapid City, SD 886- 672 -1225 • College station, T% 888 - 690 -2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz -GW 9/4/14 S27662 <br />Lab ID: C14090228 -001 <br />Client Sample ID: Mine Refill (S27662) <br />Report Date: 09/24/14 <br />Collection Date: 09/04/14 10:15 <br />DateReceived: 09/05/14 <br />Matrix: Aqueous <br />Analyses <br />Result <br />Units <br />Qualifiers <br />RL <br />MCL/ <br />QCL Method <br />Analysis Date / By <br />MAJOR IONS <br />Chloride <br />24 <br />mg /L <br />1 <br />E300.0 <br />09/09/14 21:23 / we <br />Sulfate <br />1530 <br />mg /L <br />D <br />4 <br />E300.0 <br />09/09/14 21:23 / we <br />NON - METALS <br />Organic Carbon, Total (TOC) <br />3.3 <br />mg /L <br />0.5 <br />A5310 C <br />09/08/14 14:41 / jba <br />PHYSICAL PROPERTIES <br />Solids, Total Dissolved TDS @ 180 C <br />2760 <br />mg /L <br />17 <br />A2540 C <br />09/08/14 14:25 / alp <br />METALS - DISSOLVED <br />Arsenic <br />ND <br />mg /L <br />0.001 <br />E200.8 <br />09/24/14 07:04 / cp <br />Barium <br />ND <br />mg /L <br />0.05 <br />E200.7 <br />09/10/14 17:45 / sf <br />Iron <br />13.2 <br />mg /L <br />0.03 <br />E200.7 <br />09/10/14 17:45 / sf <br />Manganese <br />2.21 <br />mg /L <br />D <br />0.003 <br />E200.7 <br />09/10/14 17:45 / sf <br />Molybdenum <br />0.83 <br />mg /L <br />D <br />0.01 <br />E200.7 <br />09/10/14 17:45 / sf <br />Uranium <br />6.6 <br />mg /L <br />D <br />0.2 <br />E200.7 <br />09/10/14 17:45 / sf <br />METALS -TOTAL <br />Arsenic <br />0.025 <br />mg /L <br />0.001 <br />E200.8 <br />09/13/14 06:17 / cp <br />Barium <br />ND <br />mg /L <br />0.05 <br />E200.8 <br />09/13/14 06:17 / cp <br />Iron <br />13.2 <br />mg /L <br />0.03 <br />E200.8 <br />09/13/14 06:17 / cp <br />Manganese <br />2.40 <br />mg /L <br />0.001 <br />E200.8 <br />09/13/14 06:17 / cp <br />Molybdenum <br />0.920 <br />mg /L <br />0.001 <br />E200.8 <br />09/13/14 06:17 / cp <br />Uranium <br />6.79 <br />mg /L <br />0.0003 <br />E200.8 <br />09/13/14 06:17 / cp <br />RADIONUCLIDES - TOTAL <br />Radium 226 <br />203 <br />pCi /L <br />E903.0 <br />09/22/14 13:26 / rdw <br />Radium 226 precision ( ±) <br />2.4 <br />pCi /L <br />E903.0 <br />09/22/14 13:26 / rdw <br />Radium 226 MDC <br />0.12 <br />pCi /L <br />E903.0 <br />09/22/14 13:26 / rdw <br />Radium 228 <br />3.9 <br />pCi /L <br />RA -05 <br />09/16/14 12:04 / plj <br />Radium 228 precision ( ±) <br />0.86 <br />pCi /L <br />RA -05 <br />09/16/14 12:04 / plj <br />Radium 228 MDC <br />1.1 <br />pCi /L <br />RA -05 <br />09/16/14 12:04 / plj <br />Radium 226 + Radium 228 <br />207 <br />pCi /L <br />A7500 -RA <br />09/22/14 16:53 / rdw <br />Radium 226 + Radium 228 precision ( ±) <br />2.6 <br />pCi /L <br />A7500 -RA <br />09/22/14 16:53 / rdw <br />Radium 226 + Radium 228 MDC <br />1.1 <br />pCi /L <br />A7500 -RA <br />09/22/14 16:53 / rdw <br />FIELD PARAMETERS <br />Field Conductivity <br />3080 <br />umhos /cm <br />FIELD <br />09/04/14 10:15 <br />Field pH <br />6.99 <br />s.u. <br />FIELD <br />09/04/14 10:15 <br />Field Temperature, C <br />16.7 <br />°C <br />FIELD <br />09/04/14 10:15 / *" <br />Flow <br />184 <br />gpm <br />FIELD <br />09/04/14 10:15 <br />Oxidation - Reduction Potential (ORP) <br />137 <br />mV <br />FIELD <br />09/04/14 10:15 <br />*** Field data provided by client <br />Report <br />Definitions <br />RL - Analyte reporting limit. <br />QCL - Quality control limit. <br />MDC - Minimum detectable concentration <br />MCL - Maximum contaminant level. <br />ND - Not detected at the reporting limit. <br />D - RL increased due to sample matrix. <br />Page 2 of 14 <br />