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www.eneroab.com Helena, MT 877- 472 -0711 - Billings, W 800 - 735 -4489 - Casper, WY 888- 235 -0515 <br />In AnalyEfa►ExulArac.Stac. rss2 � - <br />Gillette, WY 866 -686 -7175 - Rapid City, SO 886- 672 -1225 - College Station, TX 888- 690 -2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz GW 4/11/13 S26889 <br />Lab ID: 013040486 -001 <br />Client Sample ID MW 19 (S26889) <br />Report Date: 05/06/13 <br />Collection Date: 04/11/13 11:00 <br />Date Re c e ived : 04/15/13 <br />Matrix: Aqueous <br />METALS - TOTAL <br />Aluminum <br />0.5 mg /L <br />0.2 <br />E200.7 <br />MCL/ <br />Antimony <br />Analyses <br />Result Units <br />Qualifiers <br />RL <br />QCL Method <br />Analysis Date / By <br />0.001 <br />E200.8 <br />04/23/13 23:17 / clm <br />Copper <br />0.002 mg /L <br />0.001 <br />MAJOR IONS <br />04/23/13 23:17 / clm <br />Iron <br />0.61 mg /L <br />0.03 <br />E200.7 <br />Alkalinity, Total as CaCO3 <br />202 mg /L <br />ND mg /L <br />1 <br />A2320 B <br />04/15/13 16:19 / jba <br />Bicarbonate as HCO3 <br />246 mg /L <br />0.005 <br />1 <br />A2320 B <br />04/15/13 16:19 / jba <br />Calcium <br />107 mg /L <br />E245.1 <br />0.1 <br />E200.7 <br />04/17/13 15:19 / sf <br />Chloride <br />16 mg /L <br />04/25/13 20:15 / cp <br />3 <br />E300.0 <br />04/17/13 18:49 / we <br />Magnesium <br />49.8 mg /L <br />Zinc <br />0.1 <br />E200.7 <br />04/17/13 15:19 / sf <br />Nitrogen, Nitrate +Nitrite as N <br />2.4 mg /L <br />D <br />0.5 <br />E353.2 <br />04/15/13 16:01 / Ir <br />Phosphorus, Total as P <br />0.03 mg /L <br />0.01 <br />E365.1 <br />04/27/13 16:46 / eli -b <br />Potassium <br />3.8 mg /L <br />D <br />0.2 <br />E200.7 <br />04/17/13 15:19 / sf <br />Sodium <br />31 mg /L <br />D <br />1 <br />E200.7 <br />04/17/13 15:19 / sf <br />Sulfate <br />308 mg /L <br />Definitions: QCL - Quality control limit. <br />5 <br />E300.0 <br />04/17/13 18:49 / we <br />PHYSICAL PROPERTIES <br />D - RL increased <br />due to sample <br />matrix. <br />Solids, Total Dissolved TDS @ 180 C <br />693 mg /L <br />10 <br />A2540 C <br />04/16/13 12:03 / jz <br />METALS - DISSOLVED <br />Aluminum <br />ND mg /L <br />0.2 <br />E200.8 <br />04/16/13 16:34 / clm <br />Antimony <br />ND mg /L <br />0.001 <br />E200.8 <br />04/16/13 16:34 / clm <br />Copper <br />0.001 mg /L <br />0.001 <br />E200.8 <br />04/16/13 16:34 / clm <br />Iron <br />ND mg /L <br />0.03 <br />E200.7 <br />04/17/13 15:19 / sf <br />Manganese <br />ND mg /L <br />0.005 <br />E200.8 <br />04/16/13 16:34 / clm <br />Molybdenum <br />0.029 mg /L <br />0.005 <br />E200 8 <br />04/16/13 16:34 / clm <br />Thallium <br />ND mg /L <br />0.0002 <br />E200.8 <br />04/16/13 16:34 / clm <br />Uranium <br />2.22 mg /L <br />0.0002 <br />E200.8 <br />04/16/13 16:34 / clm <br />Zinc <br />ND mg /L <br />0.005 <br />E200.8 <br />04/16/13 16:34 / clm <br />METALS - TOTAL <br />Aluminum <br />0.5 mg /L <br />0.2 <br />E200.7 <br />04/22/13 15:01 / sf <br />Antimony <br />ND mg /L <br />0.001 <br />E200.8 <br />04/23/13 23:17 / clm <br />Arsenic <br />0.001 mg /L <br />0.001 <br />E200.8 <br />04/23/13 23:17 / clm <br />Copper <br />0.002 mg /L <br />0.001 <br />E200.8 <br />04/23/13 23:17 / clm <br />Iron <br />0.61 mg /L <br />0.03 <br />E200.7 <br />04/22/13 15:01 / sf <br />Lead <br />ND mg /L <br />0.005 <br />E200.8 <br />04/23/13 23:17 / clm <br />Manganese <br />0.011 mg /L <br />0.005 <br />E200.7 <br />04/22/13 15:01 / sf <br />Mercury <br />ND mg /L <br />0.0001 <br />E245.1 <br />04/23/1311:51 /111 <br />Silver <br />0.00011 mg /L <br />D 0.00008 <br />E200.8 <br />04/25/13 20:15 / cp <br />Thallium <br />ND mg /L <br />0.0002 <br />E200.8 <br />04/23/13 23:17 / clm <br />Zinc <br />ND mg /L <br />0.005 <br />E200.7 <br />04/22/13 15:01 / sf <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 <br />0.64 pCi /L <br />E903.0 <br />04/24/13 11:48 / Imc <br />Radium 226 precision ( ±) <br />0.18 pCi /L <br />E903.0 <br />04/24/13 11:48 / Imc <br />Radium 226 MDC <br />0.17 pCi /L <br />E903.0 <br />04/24/13 11:48 / Imc <br />Report RL - Analyte reporting limit <br />MCL - Maximum <br />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 <br />due to sample <br />matrix. <br />Page 3 of 21 <br />