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wwwrnerdab.com . Helena, MT 677472-0711 • Billings, MT 800-7354489 • Casper, WY 888-2354515 <br />• ' iri3t Gillette, WY 866-686-7175 • Rapid City, SO 888-672-1225 • College Station, TX 888490-2218 <br /> LABORATORY ANALYTICAL REPORT <br />Client: Cotter Corporation Report Date: 11/29/10 <br />Project: Schwartzwalder Water Monitori ng Program Collection Date: 10/15/10 10:35 <br />Lab ID: C10100734-003 DateReceived: 10/19/10 <br />Client Sample ID: SW BPL (S25277) Matri x: Aqueous <br /> MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />MAJOR IONS <br />Alkalinity, Total as CaC03 135 mg/L 1 A2320 B 10/20/10 03:58 / jba <br />Bicarbonate as HC03 165 mg/L 1 A2320 B 10/20/10 03:58 / jba <br />Calcium 77.6 mg/L D 0.4 E200.7 11/03/10 16:13 / cp <br />Chloride 37 mg/L 3 E300.0 10/31/10 01:09 / Ijl <br />Fluoride 0.3 mg/L 0.1 A4500-F C 10/20/10 10:47 / jba <br />Magnesium 28.4 mg/L 0.1 E200.7 11/03/10 16:13 / cp <br />Nitrogen, Nitrate+Nitrite as N 0.2 mg/L 0.1 E353.2 11/10/10 13:21 / do <br />Phosphate, Total 0.03 mg/L 0.01 Calculation 10/23/10 17:14 / sec <br />Phosphorus, Total as P ND mg/L 0.01 E365.1 10/21/10 16:31 / eli-b <br />Potassium 3.3 mg/L 0.1 E200.7 11/03/10 16:13 / cp <br />Sodium 26.3 mg/L D 0.6 E200.7 11/03/10 16:13 / cp <br />Sulfate 211 mg/L 5 E300.0 10/31/10 01:09 / Ijl <br />NON-METALS <br />Cyanide, Weak Acid Dissociable ND mg/L 0.002 D2036 10/21/10 15:40 / eli-b <br />PHYSICAL PROPERTIES <br />Solids, Total Dissolved TDS @ 180 C 506 mg/L 10 A2540 C 10/20/10 17:35 / Ir <br />Solids, Total Suspended TSS @ 105 C ND mg/L 4 A2540 D 10/19/10 12:32 / Ir <br />METALS - DISSOLVED <br />Aluminum ND mg/L 0.2 E200.7 11/03/10 16:13 / cp <br />Antimony ND mg/L 0.001 E200.8 10/22/10 05:38 / sml <br />Copper 0.002 mg/L 0.001 E200.8 10/22/10 05:38 / sml <br />Iron ND mg/L 0.03 E200.7 11/03/10 16:13 / cp <br />Manganese 0.010 mg/L 0.005 E200.7 11/03/10 16:13 / cp <br />Molybdenum 0.015 mg/L 0.005 E200.8 10/22/10 05:38 / sml <br />Silver ND mg/L 0.00005 E200.8 10/22/10 05:38 / sml <br />Thallium ND mg/L 0.0002 E200.8 10/22/10 05:38 / sml <br />Uranium 0.635 mg/L 0.0002 E200.8 10/22/10 05:38 / sml <br />Zinc 0.008 mg/L 0.005 E200.8 10/22/10 05:38 / sml <br />METALS-TOTAL <br />Aluminum ND mg/L 0.2 E200.7 11/09/10 22:39 / cp <br />Antimony ND mg/L 0.001 E200.8 11/11/10 22:02 / sml <br />Arsenic 0.0020 mg/L B 0.0005 E200.8 11/11/10 22:02 / sml <br />Boron ND mg/L 0.1 E200.7 11/09/10 22:39 / cp <br />Chromium ND mg/L 0.001 E200.8 11/15/10 18:24 / sml <br />Copper ND mg/L 0.001 E200.7 11/09/10 22:39 / cp <br />Iron 0.04 mg/L 0.03 E200.7 11/09/10 22:39 / cp <br />Lead ND mg/L 0.005 E200.8 11/11/10 22:02 / sml <br />Manganese 0.012 mg/L 0.005 E200.7 11/09/10 22:39 / cp <br />Mercury ND mg/L 0.0001 E245.1 10/26/10 16:06 / rdw <br />Report RL - Analyte reporting limit. MCL - Maximum contaminant level. <br />Definitions: QCL - Quality control limit. ND - Not detect ed at the reporting limit . <br />8 - The analyte was detected in the method blank. D - RL increased due to sample matrix . <br />Page 5 of 29