2011-05-11_HYDROLOGY - M1977300 (11)

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wwwowdO.eom k ??te?yns AT 877-472-0711 • Billings, MT 800.735.4409 • Casper,WY888-235-0515 p AU fEteO 9iecrON Im a ?1166`id6 4115 s Rapid City, SD 886 -672-1225,0 College Station, TX 688-890-2218 LABORATORY ANALYTICAL REPORT Prepared by Casper, WY Branch Client: Cotter Corporation Report Date: 04/25/11 Project: Schwartz-GW 03/31/11 S25673 Collection Date: 03/31/11 12:50 Lab ID: C11040039-001 DateReceived: 04/01/11 Client Sample ID: MW-12 (S25673) Matrix: Aqueous MCL/ Analyses Result Units Qualifiers RL QCL Method Analysis Date / By MAJOR IONS Alkalinity, Total as CaC03 103 mg/L 1 A2320 B 04/05/11 18:35 / jba Bicarbonate as HC03 126 mg/L 1 A2320 B 04/05/11 18:35 / jba Calcium 58.9 mg/L D 0.4 E200.7 04/07/11 22:46 / cp Chloride 37 mg/L 3 E300.0 04/05/11 16:10 / Ijl Magnesium 22.3 mg/L 0.1 E200.7 04/07/11 22:46 / cp Nitrogen, Nitrate+Nitrite as N ND mg/L 0.1 E353.2 04/06/11 06:18 / eli-b Phosphorus, Total as P ND mg/L 0.01 E365.1 04/06/11 11:03 / eli-b Potassium 3.6 mg/L 0.1 E200.7 04/07/11 22:46 / cp Sodium 23.1 mg/L D 0.6 E200.7 04/07/11 22:46 / cp Sulfate 142 mg/L 5 E300.0 04/05/11 16:10 / Ijl PHYSICAL PROPERTIES Solids, Total Dissolved TDS @ 180 C 354 mg/L 10 A2540 C 04/04/11 13:11 / Ir METALS - DISSOLVED Aluminum ND mg/L 0.2 E200.8 04/04/11 19:44 / sml Antimony ND mg/L 0.001 E200.8 04/04/11 19:44 / sml Copper ND mg/L 0.001 E200.8 04/04/11 19:44 / sml Iron ND mg/L 0.03 E200.8 04/04/11 19:44 / sml Manganese ND mg/L 0.005 E200.8 04/04/11 19:44 / sml Molybdenum 0.030 mg/L 0.005 E200.8 04/04/11 19:44 / sml Thallium ND mg/L 0.0002 E200.8 04/04/11 19:44 / sml Uranium 0.693 mg/L 0.0002 E200.8 04/04/11 19:44 / sml Zinc 0.017 mg/L 0.005 E200.8 04/04/11 19:44 / sml METALS - TOTAL Aluminum ND mg/L 0.2 E200.7 04/08/11 17:31 / cp Antimony ND mg/L 0.001 E200.8 04/08/11 19:27 / sml Arsenic 0.001 mg/L 0.001 E200.8 04/08/11 19:27 / sml Copper 0.002 mg/L 0.001 E200.8 04/08/11 19:27 / sml Iron 0.06 mg/L 0.03 E200.7 04/08/11 17:31 / cp Lead ND mg/L 0.005 E200.8 04/08/11 19:27 / sml Manganese ND mg/L 0.005 E200.7 04/08/11 17:31 / cp Mercury ND mg/L 0.0001 E245.1 04/15/11 09:48 / rdw Silver ND mg/L D 0.0002 E200.8 04/08/11 19:27 / sml Thallium ND mg/L 0.0002 E200.8 04/08/11 19:27 / sml Zinc ND mg/L 0.005 E200.8 04/08/11 19:27 / sml RADIONUCLIDES - DISSOLVED Radium 226 -0.04 pCi/L U E903.0 04/11/11 17:51 / dmf Radium 226 precision (±) 0.07 pCi/L E903.0 04/11 /11 17:51 / dmf Radium 226 MDC 0.15 pCi/L E903.0 04/11/11 17:51 / dmf Report RL - Analyte reporting limit. MCL - Maximum contaminant level. Definitions: QCL - Quality control limit. ND - Not detected at the reporting limit. MDC - Minimum detectable c oncentrati on D - RL increased due to sample matrix. U - Not detected at minimum detectab le concentration Page 3 of 19