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<br />www.energylab.com Helena, MT 811-472-0711 • Billings, MT 800-735-4489 • Casper, WY 888-235-0515 <br /> Analytical Excellence Since 1952 Gillette, WY 866-686-7175 • Rapid City, SD 888-672-1225 • College Station, TX 888-690-2218 <br /> LABORATORY ANALYTICAL REPORT <br />Client: Battle Mountain Resources Inc Report Date: 08/06/10 <br />Project: San Luis Collection Date: 07/13/10 17:10 <br />Lab ID: C10070580-003 Date Received: 07/15/10 <br />Client Sample ID: 100713BMGM10D Matrix: Aqueous <br /> MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />MAJOR IONS <br />Alkalinity, Total as CaCO3 237 mg/L 5 A2320 B 07/16/10 22:55 / Ir <br />Calcium 83 mg/L 1 E200.7 07/21/10 20:50 / cp <br />Chloride 19 mg/L 1 E300.0 07/19/10 23:43 / Ijl <br />Fluoride 1.0 mg/L 0.1 A4500-F C 07/21/10 10:37 / Ir <br />Magnesium 11 mg/L 1 E200.7 07/21/10 20:50 / cp <br />Potassium 2 mg/L 1 E200.7 07/21/10 20:50 / cp <br />Silica 30.2 mg/L 0.2 E200.7 07/21/10 20:50 / cp <br />Sodium 22 mg/L 1 E200.7 07/21/10 20:50 / cp <br />Sulfate 42 mg/L D 2 E300.0 07/19/10 23:43 / Ijl <br />PHYSICAL PROPERTIES <br />Hardness as CaCO3 254 mg/L 1 A2340 B 07/22/10 10:35 / sdw <br />Solids, Total Dissolved TDS @ 180 C 360 mg/L 10 A2540 C 07/16/10 16:15 / Ir <br />METALS - DISSOLVED <br />Aluminum ND mg/L 0.1 E200.8 07/21/10 00:26 / sml <br />Arsenic ND mg/L 0.001 E200.8 07/21/10 00:26 / sml <br />Barium 0.1 mg/L 0.1 E200.8 07/21/10 00:26 / sml <br />Cadmium ND mg/L 0.01 E200.8 07/21/10 00:26 / sml <br />Chromium ND mg/L 0.05 E200.8 07/21/10 00:26 / sml <br />Copper ND mg/L 0.01 E200.8 07/21/10 00:26 / sml <br />Iron 1.31 mg/L 0.03 E200.7 07/21/10 17:36 / cp <br />Lead ND mg/L 0.05 E200.8 07/21/10 00:26 / sml <br />Manganese 1.00 mg/L 0.01 E200.8 07/21/10 00:26 / sml <br />Mercury ND mg/L 0.001 E200.8 07/21/10 00:26 / sml <br />Nickel ND mg/L 0.05 E200.8 07/21/10 00:26 / sml <br />Selenium ND mg/L 0.001 E200.8 07/21/10 00:26 / sml <br />Silver ND mg/L 0.01 E200.8 07/21/10 00:26 / sml <br />Zinc ND mg/L 0.01 E200.8 07/21/10 00:26 / sml <br />RADIONUCLIDES - DISSOLVED <br />Gross Alpha -2 pCi/L U E900.0 08/04/10 00:24 / cgr <br />Gross Alpha precision (t) 1.8 pCi/L E900.0 08/04/10 00:24 / cgr <br />Gross Alpha MDC 3.3 pCi/L E900.0 08/04/10 00:24 / cgr <br />Gross Beta -3 pCi/L U E900.0 08/04/10 00:24 / cgr <br />Gross Beta precision (t) 1.6 pCi/L E900.0 08/04/10 00:24 / cgr <br />Gross Beta MDC 2.7 pCi/L E900.0 08/04/10 00:24 / cgr <br />DATA QUALITY <br />A/C Balance (t 5) -1.07 % Calculation 07/26/10 10:13 / kbh <br />Anions 6.20 meq/L Calculation 07/26/10 10:13 / kbh <br />Cations 6.07 meq/L Calculation 07/26/10 10:13 / kbh <br />Solids, Total Dissolved Calculated 361 mg/L Calculation 07/26/10 10:13 / kbh <br />TDS Balance (0.8 0 - 1.20) 1.00 Calculation 07/26/10 10:13 / kbh <br />Report RL - Analyte reporting limit. MCL - Maximum contaminant level. <br />Definitions: QCL - Quality control limit. ND - Not detected at the reporting limit. <br /> MDC - Minimum detectable concentration D - RL in creased due to sample matrix. <br /> U -Not detected at minimum detecta1g conc ntr tion S0,441te ??/??