2010-11-23_HYDROLOGY - M1977300 (2)

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?, tiwr+r.energyla6.com f Helena MT 877-472-0711 # Billings, MT 808-735-4489 = Caspor, WY BM235-0515 -? - AnOytWILricatleuce Since 1951 Gillette, WY $66-686-7175 • Rapid City, SO 888-672-1225 *College Station, TX 888-690-2218 LABORATORY ANALYTICAL REPORT Client: Cotter Corporation Project: Schwartzwalder Water Monitoring Program Lab ID: C10070913-009 Client Sample ID: Shaft-600FT Analyses Result Units Report Date: 08/16/10 Collection Date: 07/22/10 16:30 DateReceived: 07/26/10 Matrix: Aqueous MCL/ Qualifiers RL QCL Method Analysis Date I By MAJORIONS Alkalinity, Total as CaCC3 409 mg/L 1 A2320 B 07/28/10 23:09 / Ir Bicarbonate as HC03 499 mg/L 1 A2320 B 07128/10 23:09 / Ir Calcium 394 mg/L D 1 E2003 08/02/10 15:22 / cp Chloride 24 mg/L 3 E300.0 07/29/10 21:30 / IjI Fluoride 0.6 mg/L 0.1 A4500-F C 07/27/10 16:39 / Ir Magnesium 239 mg/L D 0.3 E200.7 08102/10 15:22 / cp Potassium 23.4 mg/L 0.1 E200.7 08102/10 15:221 cp Sodium 166 mg/L D 1 E200.7 08/02/10 15:22 / cp Sullale 1950 mg/L D 20 E300.0 OB/04110 23:57 / Iji PHYSICAL PROPERTIES pH 7.09 s.u. 0.01 A4500-H B 07/27/10 11:19 / Ir Solids, Total Dissolved TDS @ 180 C 3230 mg/L 10 A2540 C 07126/10 15:591 Ir Solids, Total Suspended TSS @ 105 C 24 mg/L 4 A2540 D 07127/10 13:25 / kre METALS - DISSOLVED Aluminum ND mg/L 0.2 E200.8 07/29/10 20:20 / sml Antimony 0.002 mg/L 0.001 E200.8 07/29/10 20:20 / sml Arsenic ND mg/L 0.1 E200.8 07/29/10 20:201 smi Barium ND mg/L 0.1 E200.8 07/29/10 20:20 / sml Copper 0.021 mg/L 0.005 E200.8 07/29/10 20:20 / smi Iron 3.80 mg/L 0.03 E200.7 08/02/10 15:221 cp Lead 0.014 mg/L 0.005 E200.8 07/29110 20:201 sml Manganese 4.78 mg/L 0.01 E200.8 07/29/10 20:201 sml Mercury ND mg/L D 0.0004 E200.8 07/29/10 20:20 / sml Molybdenum 1.50 mg/L 0,005 E200,8 07/29/10 20:201 sml Silver ND mg/L 0.001 E200.8 07/29/10 20:20 / smi Thallium 0.003 mg/L 0.001 E200.8 07/29/10 20:2D / smi Uranium 32.3 mg/L 0.0002 E200.8 07/29/10 20:201 smi Zinc 0.183 mg/L 0.005 E200.8 07/29/10 20:201 sml METALS-TOTAL Aluminum ND mg/L 0.2 E200.8 08/03110 18:221 is Antimony 0.018 mg/L 0.001 E200.8 08/09/10 22:23 / smi Arsenic ND mg/L 0.1 E200.8 08/03/10 18:22 ! is Copper 0.008 mg/L 0.005 E200.8 08/03/10 18:22 / Is Iron 4.06 mg/L 0.03 E200.7 08/05/10 03:551 cp Lead ND mg/L 0.005 E200.8 08/03/1018:22/ Is Manganese 4.84 mg/L 0.01 E200.8 08/03/10 18:22 / Is Mercury ND mg/L 0.0001 E245.1 08/05110 11:11 / jp Phosphorus ND mg/L CA E200.7 08/05/10 03:55 / cp Silver ND mg/L 0.001 E200.8 08/03/1018:22/ Is Thallium 0.015 mg/L 0.001 E200.8 08/03/10 18:22 / is Zinc 0.644 mg/L 0.005 E200.8 08/03/10 18:22 / Is Report RL - Analyze 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 18 of 45