2011-05-11_HYDROLOGY - M1977300 (7)

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wwvranergglabarn MT 871-472-0711 • Billings, MT 800-735-4489 • Casper,YYY888-235-9513 Raw 1851 i?6,`•1k15`? Aapid C4,'SO SOB-672-1225 • College Station; ]X 888-610-2218 ft LABORATORY AN ALYTICAL REPORT Prepared by Casper, WY Branch Client: Cotter Corporation Report Date: 04/15/11 Project: Schwartz-SW 03/16/1 1 S25593-25600 Collection Date: 03/16/11 13:00 Lab ID: C11030585-006 DateRecelved: 03/18/11 Client Sample ID: SW BOS (S25598) Matrix: Aqueous MCL/ Analyses Result Units Qualifier RL QCL Method Analysis Date / By MAJOR IONS Alkalinity, Total as CaC03 66 mg/L 1 A2320 B 03/18/11 21:49 / jba Bicarbonate as HC03 81 mg/L 1 A2320 B 03/18/11 21:49 / jba Calcium 31.6 mg/L D 0.4 E200.7 03/31/11 14:12 / cp Chloride 39 mg/L 3 E300.0 03/23/11 07:15 / Ijl Fluoride 0.3 mg/L 0.1 A4500-F C 03/23/11 13:48 / jba Magnesium 9.5 mg/L 0.1 E200.7 03/31/11 14:12 / cp Nitrogen, Nitrate+Nitrite as N ND mg/L 0.1 E353.2 03/24/11 09:28 / eli-b Phosphate, Total ND mg/L 0.01 Calculation 03/30/11 15:36 / bal Phosphorus, Total as P ND mg/L 0.01 E365.1 03/24/11 11:29 / eli-b Potassium 1.7 mg/L 0.1 E200.7 03/31/11 14:12 / cp Sodium 13.8 mg/L D 0.6 E200.7 03/31/11 14:12 / cp Sulfate 35 mg/L 5 E300.0 03/23/11 07:15 / Ijl NON-METALS Cyanide, Weak Acid Dissociable 0.004 mg/L 0.002 D2036 03/23/11 11:44 / eli-b PHYSICAL PROPERTIES Solids, Total Dissolved TDS @ 180 C 180 mg/L 10 A2540 C 03/22/11 15:36 / Imc Solids, Total Suspended TSS @ 105 C ND mg/L 4 A2540 D 03/18/11 16:13 / Imc METALS - DISSOLVED Aluminum ND mg/L 0.2 E200.7 03/31/11 14:12 / cp Antimony ND mg/L 0.001 E200.8 04/01/11 19:15 / smI Copper ND mg/L 0.001 E200.8 04/01/11 19:15 / sml Iron ND mg/L 0.03 E200.7 03/31/11 14:12 / cp Manganese ND mg/L 0.005 E200.7 03/31/11 14:12 / cp Molybdenum ND mg/L 0.005 E200.8 04/04/11 16:45 / sml Silver ND mg/L 0.00005 E200.8 04/01/11 19:15 / sml Thallium ND mg/L 0.0002 E200.8 03/24/11 00:47 / sml Uranium 0.161 mg/L 0.0002 E200.8 03/24/11 00:47 / sml Zinc 0.019 mg/L 0.005 E200.7 03/31/11 14:12 / cp METALS - TOTAL Aluminum ND mg/L 0.2 E200.8 03/29/11 01:46 / sml Antimony ND mg/L 0.001 E200.8 03/29/11 01:46 / sml Arsenic ND mg/L 0.001 E200.8 03/29/11 01:46 / sml Boron ND mg/L 0.1 E200.8 03/30/11 19:02 / sml Chromium ND mg/L 0.001 E200.8 03/29/11 01:46 / smi Copper ND mg/L 0.001 E200.8 03/29/11 01:46 / sml Iron 0.04 mg/L 0.03 E200.8 03/30/11 19:02 / sml Lead ND mg/L 0.005 E200.8 03/29/11 01:46 / sml Manganese ND mg/L 0.005 E200.8 03/29/11 01:46 / sml Report RL - Analyte reporting limit. MCL - Maximum contaminant level. Definitions: QCL - Quality control limit. ND - Not detected at the reporting limit . D - RL increased due to sample matrix. Page 8 of 39