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REM- N www.ene eab.com Helena, MT 877472-0711 • Billings, lilt 800-7354488 • Casper, WY 888-235-0515 <br />Aarq"bcdowShp 11V Gillette, WY 1166-686-7175 • Rapid CHy, so 886-672-1225 • College station, TX 888-600-2218 <br />LABORATORY ANALYTICAL REPORT <br />Revised Date: 11/23/10 <br />Client: Cotter Corporation Report Date: 11/12/10 <br />Project: Schwartzwalder Water Monitoring Program Discharge Collection Date: 10/12/10 <br />Lab ID: C10100590-001 DateReceived: 10/14/10 <br />Client Sample ID: DIS-001A (S25269) Matrix: Aqueous <br /> MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 2.8 pCi/L E903.0 10/29/10 12:35 / trs <br />Radium 226 precision (±) 0.36 pCi/L E903.0 10/29/10 12:35 / trs <br />Radium 226 MDC 0.17 pCi/L E903.0 10/29/10 12:35 / trs <br />RADIONUCLIDES - TOTAL <br />Radium 226 2.2 pCi/L E903.0 11/09/10 00:21 / jb <br />Radium 226 precision (±) 0.26 pCi/L E903.0 11/09/10 00:21 / jb <br />Radium 226 MDC 0.09 pCi/L E903.0 11/09/10 00:21 / jb <br />Radium 228 1.5 pCi/L U RA-05 11/03/10 10:16 / jb <br />Radium 228 precision (±) 0.96 pCi/L RA-05 11/03/10 10:16 / jb <br />Radium 228 MDC 1.5 pCi/L RA-05 11/03/10 10:16 / jb <br />FIELD PARAMETERS <br />Conductivity 1668 umhos/cm FIELD 10/05/10 00:00 / <br />Flow 113 gpm FIELD 10/05/10 00:00 / <br />pH 7.18 s.u. FIELD 10/05/10 00:00 / <br />Temperature 12.0 °C FIELD 10/05/10 00:00 / <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 22