2010-12-03_HYDROLOGY - M1977300 (2)

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s www.ene elab.com Helena, W 8774724711 • Billings, MT 800-7354488 • Casper, WY 888-235-8513 fiat J Gillette, WY 866-686-7175 • Rapid City, SO 888-672-1225 • Cdlege Station, T%888-680-2218 LABORATORY ANALYTICAL REPORT Client: Cotter Corporation Report Date: 11/05/10 Project: Schwartzwalder Water Monitoring Program Discharge Collection Date: 10/01/10 Lab ID: C10100100_001 DateReceived: 10/04/10 Client Sample ID: DIS-001A (S25415) Matri x: Aqueous MCL/ Analyses Resul t Units Qualifiers RL QCL Method Analysis Date / By MAJOR IONS Chloride 27 mg/L 3 E300.0 10/14/10 23:16 / Ijl Fluoride 0.3 mg/L 0.1 A4500-F C 10/05/10 10:47 / ja Sulfate 828 mg/l_ 5 E300.0 10/14/10 23:16 / Ijl NON-METALS Cyanide, Weak Acid Dissociable ND mg/L 0.002 D2036 10/06/10 09:28 / eli-b Sulfide ND mg/L 5 A4500-S F 10/04/10 15:46 / ja PHYSICAL PROPERTIES Oxygen Demand, Chemical (COD) 29 mg/L 5 HACH 8000 10/06/10 09:37 / ja Solids, Total Dissolved TDS @ 180 C 1490 mg/L 10 A2540 C 10/06/10 17:22 / Ir Solids, Total Suspended TSS @ 105 C ND mg/L 4 A2540 D 10/04/10 15:17 / Ir METALS - DISSOLVED Chromium ND mg/L 0.05 E200.7 10/15/10 12:18 / cp Chromium, Hexavalent ND mg/L H 0.01 A3500 Cr-B 10/05/10 14:59 / ja Chromium, Trivalent ND mg/L 0.05 Calculation 10/23/10 15:44 / sec Iron ND mg/L 0.03 E200.7 10/15/10 12:18 / cp Manganese ND mg/L 0.005 E200.7 10/15/10 12:18 / cp - The sample was received past the EPA-recommended holdi ng time for Hexavalent Chromium analysis. METALS-TOTAL Antimony ND mg/L 0.001 E200.8 10/19/10 01:21 / s m I Arsenic 0.0020 mg/L B 0.0005 E200.8 10/19/10 01:21 / smI Boron ND mg/L D 0.2 E200.7 10/13/10 22:57 / cp Iron ND mg/L 0.03 E200.7 10/13/10 22:57 / cp Mercury ND mg/L 0.0001 E245.1 10/11/10 10:00 / rdw Thallium 0.0002 mg/l_ 0.0002 E200.8 10/19/10 01:21 / sml Uranium ND mg/L 0.0002 E200.8 10/19/10 01:21 / sml METALS - POTENTIALLY DISSOLVED Arsenic ND mg/L L 0.0008 E200.8 10/19/10 00:33 / sml Cadmium ND mg/L 0.01 E200.8 10/19/10 00:33 / sml Copper 0.002 mg/L 0.001 E200.8 10/19/10 00:33 / sml Nickel ND mg/L 0.05 E200.8 10/19/10 00:33 / sml Selenium 0.001 mg/L 0.001 E200.8 10/19/10 00:33 / sml Silver ND mg/L L 0.0002 E200.8 10/19/10 00:33 / sml Uranium ND mg/L 0.0002 E200.8 10/19/10 00:33 / sml Zinc 0.017 mg/L 0.005 E200.8 10/19/10 00:33 / sml Report RL - Analyte reporting limit. Definitions: QCL - Quality control limit. B - The analyte was detected in the method blank. H - Analysis performed past recommended holding time. MCL - Maximum contaminant level. ND - Not detected at the reporting limit. D - RL increased due to sample matrix. L - Lowest available reporting limit for the analytical methoc used. Page 3 of 22