2011-05-11_HYDROLOGY - M1977300 (3)

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• wwri.eeergylaDcom 772-0711 • Billings, Kff 8110-735.4419 • Casper, WY 888-215-0515 Auo*M Emlaws JIM= 1JU d 5,w Rapid C ity,SD 888-672-1225 • College station, iX"888-690-2218 LABORATORY ANALYTICAL REPORT Prepared by Ca sper, WY Branch Client: Cotter Corporation Report Date: 03/24/11 Project: Schwartz GW 3/04/11 S25660 Collection Date: 03/03/11 11:35 Lab ID: C1 1030181 -001 DateReceived: 03/07/11 Client Sample ID: Sump-8 (S25660) Matrix: Aqueous MCL/ Analyses Result Units Qualifiers RL QCL Method Analysis Date / By MAJOR IONS Alkalinity, Total as CaCO3 175 mg/L 1 A2320 B 03/08/11 18:21 /jba Bicarbonate as HC03 209 mg/L 1 A2320 B 03/08/11 18:21 / jba Calcium 129 mg/L D 0.4 E200.7 03/11/11 03:27 / cp Chloride 32 mg/L 3 E300.0 03/10/11 11:05 / Ijl Magnesium 48.8 mg/L 0.1 E200.7 03/11/11 03:27 / cp Nitrogen, Nitrate+Nitrite as N 0.2 mg/L 0.1 E353.2 03/11/11 13:01 / eli-b Phosphorus, Total as P 0.16 mg/L 0.01 E365.1 03/11/11 11:53 / eli-b Potassium 6.1 mg/L 0.1 E200.7 03/11/11 03:27 / cp Sodium 39.3 mg/L D 0.6 E200.7 03/11/11 03:27 / cp Sulfate 398 mg/L 5 E300.0 03/10/11 11:05 / Ijl PHYSICAL PROPERTIES Solids, Total Dissolved TDS @ 180 C 786 mg/L 10 A2540 C 03/07/11 16:22 / Ir METALS - DISSOLVED Aluminum ND mg/L 0.2 E200.7 03/11/11 03:27 / cp Antimony ND mg/L 0.001 E200.8 03/16/11 12:19 / sml Copper ND mg/L 0.001 E200.8 03/16/11 12:19 / sml Iron 0.29 mg/L 0.03 E200.7 03/11/11 03:27 / cp Manganese 0.101 mg/L 0.005 E200.7 03/11/11 03:27 / cp Molybdenum 0.044 mg/L 0.005 E200.8 03/16/11 12:19 / sml Thallium ND mg/L 0.0002 E200.8 03/16/11 12:19 / sml Uranium 2.39 mg/L 0.0002 E200.8 03/16/11 12:19 / sml Zinc 0.050 mg/L 0.005 E200.7 03/11/11 03:27 / cp METALS-TOTAL Aluminum 2.8 mg/L 0.2 E200.7 03/10/11 23:55 / cp Antimony ND mg/L 0.001 E200.8 03/17/11 22:45 / sml Arsenic 0.004 mg/L B 0.001 E200.8 03/17/11 22:45 / sml Copper 0.027 mg/L B 0.001 E200.8 03/17/11 22:45 / sml Iron 9.05 mg/L 0.03 E200.7 03/10/11 23:55 / cp Lead 0.016 mg/L 0.005 E200.8 03/17/11 22:45 / sml Manganese 0.236 mg/L 0.005 E200.7 03/10/11 23:55 / cp Mercury ND mg/L 0.0001 E245.1 03/14/11 16:30 / rdw Silver ND mg/L 0.00005 E200.8 03/17/11 22:45 / sml Thallium ND mg/L 0.0002 E200.8 03/17/11 22:45 / sml Zinc 0.06 mg/L D 0.02 E200.7 03/10/11 23:55 / cp RADIONUCLIDES - DISSOLVED Radium 226 1.4 pCi/L E903.0 03/14/11 15:34 / trs Radium 226 precision (±) 0.29 pCi/L E903.0 03/14/11 15:34 / trs Radium 226 MDC 0.18 pCi/L E903.0 03/14/11 15:34 / trs Report RL - Analyte reporting limit. MCL - Maximum contaminant level. Definitions: QCL - Quality control limit. ND - Not detected at the reporting limit . MDC - Minimum detectable concentration B - The analyte was detected in the method blank. D - RL increased due to sample matrix. Page 3 of 20