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r M,' ? Ir www.energYlab.com <br />. z F..' - Analytins!Fxce9aace Shea 1957 <br />Helena, MT 877-472-0711 - Billings, MT 800-735-4489 - Casper, lI65-ZJ0-U-3 13 <br />Gillette, WY 866-686-7175 *Rapid City, SD 688-672-1225 • College Station, TX 888-690-2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br /> Report Date: 01/19/11 <br />Client: Cotter Corporation <br />Collection Date: 12/20/10 <br />Project: Schwartzwalder Mine <br />DateReceived: 12/21/10 <br />Lab ID: 01012071 1 -001 Matrix: Aqueous <br />Client Sample ID: DIS-001A (S25526) <br />-- MCU <br /> Result Units Qualifiers RL QCL Method Analysis Date / By <br />Analyses <br />RADIONUCLIDES - TOTAL E903.0 01/03/11 10:40 / trs <br />Radium 226 0.66 pCi/L <br />E903.0 01/03/11 10:401 trs <br />Radium 226 precision (±) 0.17 pCi/L E903.0 01/03/11 10:40 / trs <br />Radium 226 MDC 0.15 pCi/L <br />U <br />RA-05 12/28/10 13:12 / plj <br />Radium 228 0.22 pCi/L RA 05 12/28/10 13:12 / plj <br />Radium 228 precision (±) 0.64 pCi/L <br />RA-05 12/28/10 13:12 / plj <br />Radium 228 MDC <br />1.1 <br />pCi/L <br />FIELD PARAMETERS FIELD 12/20/10 00:00 / <br />Conductivity 730 umhos/cm <br />FIELD 12/20/10 00:00 / <br />Flow 174 gpm FIELD 12/20/10 00:00 <br /> <br />Fi <br />p <br />7.33 <br />s.u. <br />FIELD 12/20/10 00:00 <br />Temperature 8.4 °C <br />"' Performed by Sampler <br />Report RL - Analyte reporting limit. <br />Definitions: QCL - Quality control limit. <br />MDC - Minimum detectable concentration <br />MCL - Maximum contaminant level. <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 4 of 23