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.._v...... _ <br />www.energylab.com ti Helena, MT 817-472-0711 Billings, MT 800-735-4489 - Casper, WY 888-235-0515 <br />_ <br />a 9.9al - ?_- OF" Aaalyr/calEresBaact since 7851 ; Gillette, WY 868-686.7175 Rapid City, SD 868-872-1225 a College Station, TX 888-690-2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch. <br />Client: Cotter Corporation Report Date: 12115/10 <br />Project: Schwartzwalder Water Sampling Program-Ground Water Collection Date: 11/05/10 11:50 <br />Lab ID: C10110379-001 DateRecelved: 11/09/10 <br />Client Sample ID: MW-1 (S25288) Matrix: Aqueous <br /> <br />Analyses <br />Result <br />Units <br />Qualifier RL MCL/ <br />QCL Method <br />Analysis Date / By <br />MAJOR IONS <br />Alkalinity, Total as CaG03 84 mg/L 1 A2320 B 11/10/10 16:361 jba <br />Bicarbonate as H003 102 mg/L 1 A2320 B 11/10/10 16:36 / jba <br />Calcium 33.6 mg/L D 0.4 E2003 12/03/10 13:38 / cp <br />Chloride 50 mg/L 3 E300.0 11/13/10 05:07,1 Ijl <br />Magnesium 13.5 mg/L 0.1 E200.7 12/03/10 13:38 / cp <br />Nitrogen, Nitrale+Nitrile as N 01 mg/L 0.1 E353.2 11116/10 13:18 / eli-b <br />Phosphorus. Total as P 0.01 mg/L 0.01 E365.1 11/15/10 15:00 / ell-b <br />Potassium 2.4 mg/L 0.1 E200.7 12/03110 13:38 / cp <br />Sodium 14.1 mg/L D 0.6 E200.7 12/03/10 13:381 cp <br />Sulfate 27 mg/L 5 E300.0 11 /11/10 19:28 / Ijl <br />PHYSICAL PROPERTIES <br />Solids, Total Dissolved TDS @ 180 C 209 mg/L 10 A2540 C 11/10110 09:54 / Ir <br />Solids, Total Suspended TSS @ 105 C ND mg/L 4 A2540 D 11/10/10 09:061 Ir <br />METALS - DISSOLVED <br />Aluminum ND mg/L 0.2 E200.7 12/03110 13:38 / cp <br />Antimony ND mg1L 0.001 E200.8 12104il0 08:45 / sml <br />Copper 0.001 mg/L 0.001 E200.8 12/04/10 08:45 / sml <br />Iron ND mg/L 0.03 E200.7 12/03/10 13:38 / cp <br />Manganese ND mg/L 0.005 E200.7 12/03/10 13:38 / cp <br />Molybdenum 0.014 mg/L 0.005 E200.8 12/04/10 08:45 / sml <br />Thallium ND mg/L 0.0002 E200.8 12/04/10 08:45 / sml <br />Uranium 0.260 mg/L 0.0002 E200.8 12/04/10 08:45 / sml <br />Zinc 0.010 mg/L 0.005 E200.8 12/04110 08:451 sml <br />METALS - TOTAL <br />Aluminum ND mgiL 0.2 E200.7 11/30/10 20:05 / cp <br />Antimony 0.002 mg/L B 0.001 E200.8 11/30/10 17:351 sml <br />Arsenic 0.0014 mg/L B 0.0005 E200.8 11/30/10 17:351 sml <br />Copper 0.002 mg/L 0.001 E200.8 11/30110 17:35 / sml <br />Iron 0.11 mg/L 0.03 E200.7 11/30/10 20:05 / cp <br />Lead ND mg/L 0.005 E200.8 11/30/10 17:35 / sml <br />Manganese ND mg/L 0.005 E200.7 11/30110 20:05 / cp <br />Mercury ND mg/L 010001 E245.1 11/10/10 14:17 / rdw <br />Silver 0.00035 mg/L B 0.00005 E200.8 11/30/10 17:351 sml <br />Thallium ND mg/L 0.0002 E200.8 11/30/10 17:35 / smI <br />Zinc 0.008 mg/L 0.005 E200.8 11/30/10 17:351 sml <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 0.35 pCi/L E903.0 11/17/10 08:27 / jb <br />Radium 226 precision (±) 0.19 pCi/L E903.0 11/17/10 08:27 / jb <br />Radium 226 MDC 0.24 pCi/L E903.0 11/17/10 08:27 / jb <br />Report RL - Analyle reporting limit. MCL - Maximum conlaminanl level. <br />Definitions: OCL - Quality control limit. ND - Not detecte d at the reporting lim it. <br />MDC - Minimum delectable concentration B - The analyte was detected in the method blank. <br />D - RL increased due to sam ple matrix. <br /> Page 3 of 21