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www.energylab.com Helena, MT 871472-0711 . Billings, MT 800-735-4469 • Casper, WY 888-235-0515 <br />Analy1WIFcce9eoceSfnca 1952 ? Gillette, WY 866.6864115 • Rapid City, SO 888-672-1225 • College Station, TX 888-690.2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartzwalder Water Sampling Program-Ground Water <br />Lab ID: C10120819-002 <br />Client Sample ID: MW-7 (S25537) <br />Report Date: 01/21/11 <br />Collection Date: 12/22/10 12:45 <br />DateReceived: 12/27/10 <br />Matrix: Aqueous <br />MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date I By <br />MAJORIONS <br />Alkalinity, Total as CaC03 188 mg/L <br />Bicarbonate as HC03 230 mg/L <br />Calcium 128 mg/L <br />Chloride 37 mg/L <br />Magnesium 52.1 mg/L <br />Nitrogen, Nitrale+Nitrite as N 0.3 mg/L <br />Phosphorus, Total as P 0.02 mg/L <br />Potassium 5.3 mg/L <br />Sodium 46.3 mg/L <br />Sulfate 410 mg/L <br />PHYSICAL PROPERTIES <br />Solids. Total Dissolved TDS @ 180 C 845 mg/L <br />METALS - DISSOLVED <br />Aluminum NO mg/L <br />Antimony 0.001 mg/L <br />Copper NO mg/L <br />Iron NO mg/L <br />Manganese NO mg/L <br />Molybdenum 0.041 mg/L <br />Thallium NO mg/L <br />Uranium 3.66 mg/L <br />Zinc 0.019 mg/L <br />METALS - TOTAL <br />Aluminum NO mg/L <br />Antimony ND mg1L <br />Arsenic 0.0012 mg/L <br />Copper NO mg/L <br />Iron NO mg/L <br />Lead NO mg/L <br />Manganese ND mg/L <br />Mercury ND mg/L <br />Silver 0.00070 mg/L <br />Thallium 0.0003 mg/L <br />Zinc 0.007 mg/L <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 1.8 pCi/L <br />Radium 226 precision {±? 0.28 pCi/L <br />Radium 226 MDC 0.15 pCi/L <br />Report RL - Analyte reporting limit. <br />Definitions: QCL - Quality control limit. <br />MDC - Minimum detectable concentration <br />D - RL increased due to sam ple matrix. <br /> 1 A2320 B 12/28/10 20:16 / jba <br /> 1 A2320 B 12/28/10 20:18 / jba <br />D 0.4 E200.7 01/06/11 16:00 / cp <br /> 3 E300.0 12/31/10 03:32 / lit <br /> 0.1 E200.7 01 /06/11 16:00 / cp <br /> 0.1 E353.2 01/03/11 11:351 eli-b <br /> 0.01 E365.1 01/03/11 14:59 / eli-b <br /> 0.1 E200.7 01/06/11 16:00/ cp <br />D 0.6 E200.7 01/06111 16:001 cp <br /> 5 E300.0 12/31110 03:321 Ijl <br /> 10 A2540 C 12/28/10 12:37 / Ir <br /> 0.2 E200.7 01/06/11 16:00 / cp <br />B 0.001 E200.8 01/14/11 14;24 / sml <br /> 0.001 E200.8 01/14/11 14:24 / sml <br /> 0.03 E200.7 01106/11 16:00 / cp <br /> 0.005 E200.7 01 /06/11 16:00 / cp <br /> 0.005 E200.8 01/14/11 14;24 / sml <br /> 0.0002 E200.8 01/14/11 14:241 sml <br /> 0.0002 E200.8 01114/11 14:24 / sml <br /> 0.005 E200.7 01/06111 16:00 1 cp <br /> 0.2 E200.7 01/05/1118:471cp <br /> 0.001 E200.8 01/17/11 17:10 / sm) <br />B 0.0005 E200.8 01/15/11 02:26 / sml <br /> 0.001 E200.8 01 /15/11 02:26 / sml <br /> 0.03 E200.7 01/05111 18:47 / cp <br /> 0.005 E200.8 01/15/11 02:26 / sml <br /> 0.005 E200.7 01/05/11 18:471 cp <br /> 0.0001 E245.1 12/28110 11:22 / rdw <br />B 0.00005 E200.8 01/15/11 02:261 sml <br /> 0.0002 E200.8 01/15/11 02:261 sml <br /> 0.005 E200.8 01/17/11 17:10 / sml <br />E903.0 01/12/11 11:061 trs <br />E903.0 01/12/1111:06/Irs <br />E903.0 01112/11 11:061 ITS <br />MCL - Maximum contaminant level. <br />ND - Not detected at the reporting limit. <br />B - The analyte was detected in the method blank. <br />Page 5 of 25