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- rwiw.eaetp?lal.eam (: <br />?ayeteaiftlsaanaram rtlf! J <br />Iblus, W 171-x72-0111 • BRlia{s, W 106.135.4411 • Casper, 0111-2Wi11 <br />Gilk ta, W Ug-111-1175 • Rapid City, SO ON 872-1225 • Coitelie Station, Tx 111-61 2211 <br />LABORATORY ANALYTICAL REPORT <br />Client: Cotter Corporation <br />Project: Schwartzwalder Mine <br />Lab ID: 010090382-001 <br />Client Sample ID: SW AW D (S25189) <br />Report Date: 10/12/10 <br />Collection Date: 09/08/10 09:58 <br />DateReceived: 09/10/10 <br />Matrix: Aqueous <br /> <br />Analyses <br />Result <br />Units <br />Qualifiers RL MCL/ <br />QCL Method <br />Analysis Date / By <br />METALS-TOTAL <br />Molybdenum ND mg/l. 0.005 E200.8 09/17/10 20:08 / sml <br />Silver ND mg/L 0.001 E200.8 09/17110 20:08 / sml <br />Thallium ND mg/L 0.001 E200.8 09/17/10 20:08 / sml <br />Uranium 0.0019 mg/L 0.0002 E200.8 09/17/10 20:08 / smi <br />Zinc 0.005 mg/L 0.005 E200.8 09/17/10 20:08 / sml <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 0.14 pCi/L U E903.0 09/20/10 17:54 / trs <br />Radium 226 precision (t) 0.14 pCi/L E903.0 09/20/1017:54 / trs <br />Radium 226 MDC 0.21 pCi/L E903.0 09/20/1017:54 / US <br />RADIONUCLIDES - TOTAL <br />Gross Alpha -0.5 pCi/L U E900.0 09/21/10 13:53 / ep <br />Gross Alpha precision (±) 1.3 pCi/L E900.0 09/21/10 13:53 / ep <br />Gross Alpha MDC 2.3 pCi/L E900.0 09/21/10 13:53 / ep <br />Gross Beta 2.6 pCi/L E900.0 09/21/10 13:53 / ep <br />Gross Beta precision (±) 1.5 pCi/L E900.0 09/21/10 13:53 / ep <br />Gross Beta MDC 2.4 pCi/L E900.0 09/21/10 13:53 / ep <br />Radium 226 -0.1 pCi/L U E903.0 10/05/10 11 Al / trs <br />Radium 226 precision {f) 0.1 pCi/L E903.0 10/05/10 11:41 / trs <br />Radium 226 MDC 0.22 pCi/L E903.0 10/05/10 11:41 / trs <br />Radium 228 1.3 pCi/L U RA-05 09/30/10 09:51 / pij <br />Radium 228 precision (±) 0.83 pCi/L RA-05 09/30/10 09:51 / pf <br />Radium 228 MDC 1.3 pCi/L RA-05 09/30/10 0951 / plj <br />FIELD PARAMETERS <br />Conductivity 346 umhos/cm FIELD 09/08/10 09:58 / <br />pH 7.20 s.u. FIELD 09/08/10 09:58 / <br />Temperature 12.3 `C FIELD 09/08/10 09:58 / <br />"' Performed by Sampler <br />Report <br />Definitions: <br />RL - Analyte reporting limit. <br />QCL - Duality 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 5 of 36