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? v,ww.energylab.com _ Helena, MT 877-472-0711 - Billings MT 800-735-4489 s Casper, WY 888-235-0515 <br />E ME 31, <br />Analytiralfxcallance Sbcs I9S2 Gillette, WY 866-686-7175 w Rapid City, SO 868-672-1225 - College Station, TX 888-690-2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 01/05/11 <br />Project: Schwartzwalder Mine Monitoring Program-Surface Wat Collection Date: 11/18/10 10:10 <br />Lab ID: C1 0110787-001 DateReceived: 11/22/10 <br />Client Sample ID: SW FBRG (S25436) Matrix: Aqueous <br />MCU <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />METALS - DISSOLVED <br />Uranium 0.432 mg/L 0.0002 E200.8 11/30/10 22:06 / sml <br />METALS-TOTAL <br />Uranium 0.420 mg/L 0.0002 E200.8 12/14/10 04:13 / sml <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 0.68 pCi/L E903.0 12/07/10 21:55 / trs <br />Radium 226 precision (t) 0.19 pCi/L E903.0 12/07/10 21:55 / Ira <br />Radium 226 MDC 0.16 pCi/L E903.0 12/07/10 21:55 / Irs <br />RADIONUCLIDES - TOTAL <br />Radium 226 0.71 pCi/L E903.0 12/07/10 21:55 / trs <br />Radium 226 precision (±) 0.18 pCi/L E903.0 12/07/10 21:55 / Its <br />Radium 226 MDC 0.15 pCi/L E903.0 12/07/10 21:55 / Irs <br />FIELD PARAMETERS <br />Conductivity 560 umhos/cm FIELD 11/18/10 10:10/ <br />pH 8.23 s.u. FIELD 11/18/10 10:10/'** <br />Temperature 6.3 'C FIELD 11/18/1010:10/ <br />"' Performed by Sampler <br />Report RL - Analyle reporting limit. MCL - Maximum contaminant level. <br />Definitions: QCL - Quality control limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 3 of 30 <br />- i