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www.energy[ab.com Helena, MT 877-472-0711 • Billings, MT 800-735-4489 o Casper, WY 888-2354515 <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: 07/14/10 10:10 <br />Lab ID: C10070580-005 DateReceived: 07/15/10 <br />Client Sample ID: 100714BMGM13RD Matrix: Aqueous <br /> <br />Analyses <br />Result <br />Units <br />Qualifiers RL MCL/ <br />QCL Method <br />Analysis Date / By <br />MAJOR IONS <br />Alkalinity, Total as CaC03 356 mg/L 5 A2320 B 07/16/10 23:03 / Ir <br />Calcium 94 mg/L 1 E200.7 07/21/10 20:54 / cp <br />Chloride 3 mg/L 1 E300.0 07/19/10 23:59 / Ijl <br />Fluoride 0.4 mg/L 0.1 A4500-F C 07/21/10 10:56 / Ir <br />Magnesium 16 mg/L 1 E200.7 07/21/10 20:54 / cp <br />Potassium 1 mg/L 1 E200.7 07/21/10 20:54 / cp <br />Silica 26.3 mg/L 0.2 E200.7 07/21/10 20:54 / cp <br />Sodium 32 mg/L 1 E200.7 07/21/10 20:54 / cp <br />Sulfate 16 mg/L D 2 E300.0 07/19/10 23:59 / Ijl <br />NON-METALS <br />Cyanide, Weak Acid Dissociable ND mg/L 0.005 D2036 07/22/10 09:10 / eli-b <br />PHYSICAL PROPERTIES <br />Hardness as CaC03 299 mg/L 1 A2340 B 07/22/10 10:35 / sdw <br />Solids, Total Dissolved TDS @ 180 C 409 mg/L 10 A2540 C 07/16/10 16:15 / Ir <br />METALS - DISSOLVED <br />Aluminum ND mg/L 0.1 E200.7 07/21/10 17:40 / cp <br />Arsenic ND mg/L 0.001 E200.8 07/22/10 22:08 / sml <br />Barium 0.1 mg/L 0.1 E200.7 07/21/10 17:40 / cp <br />Cadmium ND mg/L 0.01 E200.7 07/21/10 17:40 / cp <br />Chromium ND mg/L 0.05 E200.7 07/21/10 17:40 / cp <br />Copper ND mg/L 0.01 E200.7 07/21/10 17:40 / cp <br />Iron ND mg/L 0.03 E200.7 07/21/10 17:40 / cp <br />Lead ND mg/L 0.05 E200.7 07/21/10 17:40 / cp <br />Manganese ND mg/L 0.01 E200.7 07/21/10 17:40 / cp <br />Mercury ND mg/L 0.001 E200.8 07/22/10 22:08 / sml <br />Nickel ND mg/L 0.05 E200.7 07/21/10 17:40 / cp <br />Selenium 0.006 mg/L 0.001 E200.8 07/22/10 22:08 / sml <br />Silver ND mg/L 0.01 E200.7 07/21110 17:40 / cp <br />Zinc 0.69 mg/L 0.01 E200.7 07121/10 17:40 / cp <br />RADIONUCLIDES - DISSOLVED <br />Gross Alpha 47.3 pCi/L E900.0 08/04/10 00:24 / cgr <br />Gross Alpha precision (t) 4.7 pCi/L E900.0 08/04/10 00:24 / cgr <br />Gross Alpha MDC 4.1 pCi/L E900.0 08/04/10 00:24 / cgr <br />Gross Beta 12.0 pCi/L E900.0 08/04/10 00:24 / cgr <br />Gross Beta precision (t) 2.1 pCi/L E900.0 08/04/10 00:24 / cgr <br />Gross Beta MDC 3.2 pCi/L E900.0 08/04/10 00:24 / cgr <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 concentrat ion D - RL increased due to sample matrix . <br />fa4U