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wwmenergylabxom ( Helena, W 877472-0711 • Billings, MT 800-735-4488 • Casper, WY 888-235-0515 <br />Aa>l E=*=Siba f?! J Gillette, WY 888486.1175 • Rapid City, SD 888-672-1225 • College Station, TX 868480-2218 <br />LABORATORY ANALYTICAL REPORT <br />Client: Cotter Corporation Report Date: 11/11/10 <br />Project: Schwartzwalder Water Monitoring Program-Discharge Collection Date: 10/05/10 <br />Lab ID: C10100223-001 DateReceived: 10/06/10 <br />Client Sample ID: DIS-001 A (S25241) Matrix: Aqueous <br />MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />METALS - TOTAL <br />Uranium ND mg/L <br />METALS - POTENTIALLY DISSOLVED <br />Uranium ND mg/L <br />RADIONUCLIDES - TOTAL <br />Radium 226 2.8 pCi/L <br />Radium 226 precision (±) 0.35 pCi/L <br />Radium 226 MDC 0.17 pCi/L <br />Radium 228 1.3 pCi/L <br />Radium 228 precision (±) 0.73 pCi/L <br />Radium 228 MDC 1.1 pCi/L <br />FIELD PARAMETERS <br />Conductivity 368 umhos/cm <br />Flow 40 gpm <br />pH 7.85 s.u. <br />Temperature 10.4 °C <br />"' Performed by Sampler <br />0.0003 E200.8 <br />0.0003 E200.8 <br />E903.0 <br />E903.0 <br />E903.0 <br />RA-05 <br />RA-05 <br />RA-05 <br />FIELD <br />FIELD <br />FIELD <br />FIELD <br />10/29/10 02:51 / sml <br />10/08/10 08:57 / sml <br />10/27/10 03:07 / plj <br />10/27/10 03:07 / plj <br />10/27/10 03:07 / plj <br />10/21/10 14:14 / plj <br />10/21/10 14:14 / plj <br />10/21/10 14:14 / plj <br />10/05/10 00:00 / <br />10/05/10 00:00 / <br />10/05/10 00:00 / <br />10/05/10 00:00 / <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 <br />Page 2 of 8