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www.energylab.com Helena, MT 677- 472 -0711 • Billings, MT 800- 735 -4489 • Casper, WY 888- 235 -0515 <br />Gillette, WY 866- 686 -7175 • Rapid City, SD 888- 672 -1225 • College Station, TX 888 -680 -2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz GW 3/20/2013 S26877 <br />Lab ID: C13030792 -001 <br />Client Sample ID: MW 6 (S26877) <br />Analyses <br />Result Units Qualifiers RL <br />Report Date: 04/12/13 <br />Collection Date: 03/20/13 13:05 <br />DateReceived: 03/21/13 <br />Matrix: Aqueous <br />MCL/ <br />QCL Method Analysis Date / By <br />MAJOR IONS <br />ND <br />mg /L <br />0.2 <br />E200.8 <br />03/22/13 17:09 / clm <br />Alkalinity, Total as CaCO3 <br />276 <br />mg /L <br />1 <br />A2320 B <br />03/22/13 14:20 / jba <br />Bicarbonate as HCO3 <br />336 <br />mg /L <br />1 <br />A2320 B <br />03/22/13 14:20 / jba <br />Calcium <br />282 <br />mg /L <br />0.1 <br />E200.7 <br />03/22/13 18:49 / sf <br />Chloride <br />24 <br />mg /L <br />3 <br />E300.0 <br />03/23/13 01:11 / we <br />Magnesium <br />123 <br />mg /L <br />0.1 <br />E200.7 <br />03/22/13 18:49 / sf <br />Nitrogen, Nitrate +Nitrite as N <br />0.6 <br />mg /L <br />0.1 <br />E353.2 <br />03/25/13 13:55 / Ir <br />Phosphorus, Total as P <br />ND <br />mg /L <br />0.01 <br />E365.1 <br />03/28/13 10:48 / eli -b <br />Potassium <br />7.3 <br />mg /L <br />0.1 <br />E200.7 <br />03/25/13 19:48 / sf <br />Sodium <br />91.4 <br />mg /L <br />D 0.4 <br />E200.7 <br />03/22/13 18:49 / sf <br />Sulfate <br />1170 <br />mg /L <br />5 <br />E300.0 <br />03/23/13 01:11 / we <br />PHYSICAL PROPERTIES <br />Solids, Total Dissolved TDS @ 180 C 2020 mg /L 20 A2540 C 03/22/13 14:38 / jz <br />METALS - DISSOLVED <br />Aluminum <br />ND <br />mg /L <br />0.2 <br />E200.8 <br />03/22/13 17:09 / clm <br />Antimony <br />ND <br />mg /L <br />0.001 <br />E200.8 <br />03/22/13 17:09 / clm <br />Copper <br />0.004 <br />mg /L <br />0.001 <br />E200.8 <br />03/22/13 17:09 / clm <br />Iron <br />ND <br />mg /L <br />0.03 <br />E200.7 <br />03/22/13 18:49 / sf <br />Manganese <br />ND <br />mg /L <br />0.005 <br />E200.8 <br />03/22/13 17:09 / clm <br />Molybdenum <br />0.039 <br />mg /L <br />0.005 <br />E200.8 <br />03/22/13 17:09 / clm <br />Thallium <br />ND <br />mg /L <br />0.0002 <br />E200.8 <br />03/22/13 17:09 / clm <br />Uranium <br />10.9 <br />mg /L <br />0.0002 <br />E200.8 <br />03/22/13 17:09 / clm <br />Zinc <br />0.028 <br />mg /L <br />0.005 <br />E200.8 <br />03/22/13 17:09 / clm <br />METALS - TOTAL <br />Aluminum <br />ND <br />mg /L <br />0.2 <br />E200.8 <br />03/27/13 02:11 / clm <br />Antimony <br />ND <br />mg /L <br />0.001 <br />E200.8 <br />03/27/13 02:11 / clm <br />Arsenic <br />0.001 <br />mg /L <br />0.001 <br />E200.8 <br />03/27/13 02:11 / clm <br />Copper <br />0.005 <br />mg /L <br />D 0.002 <br />E200.7 <br />03/26/13 16:48 / sf <br />Iron <br />0.03 <br />mg /L <br />0.03 <br />E200.7 <br />03/26/13 16:48 / sf <br />Lead <br />ND <br />mg /L <br />0.005 <br />E200.8 <br />03/27/13 02:11 / clm <br />Manganese <br />ND <br />mg /L <br />0.005 <br />E200.8 <br />03/27/13 02:11 / clm <br />Mercury <br />ND <br />mg /L <br />0.0001 <br />E245.1 <br />03/25/13 14:49 / jrm <br />Silver <br />ND <br />mg /L <br />0.00005 <br />E200.8 <br />03/27/13 02:11 / clm <br />Thallium <br />ND <br />mg /L <br />0.0002 <br />E200.8 <br />03/27/13 02:11 / clm <br />Zinc <br />0.033 <br />mg /L <br />0.005 <br />E200.7 <br />03/26/13 16:48 / sf <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 <br />1.0 <br />pCi /L <br />E903.0 <br />04/01/13 09:52 / Imc <br />Radium 226 precision ( ±) <br />0.19 <br />pCi /L <br />E903.0 <br />04/01/13 09:52 / Imc <br />Radium 226 MDC <br />0.15 <br />pCi /L <br />E903.0 <br />04/01/13 09:52 / Imc <br />Report RL - Analyte reporting limit. <br />MCL - Maximum <br />contaminant <br />level. <br />Definitions: QCL - Quality control limit. <br />ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />D - RL increased <br />due to sample <br />matrix. <br />Page 3 of 21 <br />