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w,wenergytab.com Helena, MT 877-472-0711 a Billings, MT 800-735-4489 d Casper, WY 8B8 235-0515 <br />Awfyikal EreaUancp 3lnca 1931 <br />Gillette, WY 866-686-7175 • Rapid City, so 888-672-1225 • College Station, A 888-690-2218 <br />LABORATORY ANALYTICAL REPORT <br /> Revised Date: 10/26/10 <br />Client: Cotter Corporation Report Date: 10/21/10 <br />Project: Schwartzwalder Water Monitoring Program-Discharge Collection Date: 09122/10 <br />Lab ID: C10090967-001 DateReceived: 09/23/10 <br />Client Sample ID: DIS-001A (S25364) Matrix: Aqueous <br /> MCU <br />Analyses Result Units Qualifiers RL QCL Method Analysis Dale / By <br />METALS-TOTAL <br />Uranium ND mg/L 0.0003 E200.8 10/01110 12:37 / sml <br />METALS - POTENTIALLY DISSOLVED <br />Uranium ND mg/L 0.0003 E200.8 09/30/10 07:44 / sml <br />RADIONUCLIDES - TOTAL <br />Radium 226 3.0 pCi/L E903.0 10/17/10 09:22 / lrs <br />Radium 226 precision (±) 0.39 pCi/L E903.0 10/17110 09:22 / irs <br />Radium 226 MDC 0.20 pCi/L E903.0 10117/10 09:22 / trs <br />Radium 228 1.0 pCUL U RA-05 10/12/10 15:43 / jb <br />Radium 228 precision (i) 0.69 pCi/L RA-05 10/12110 15:43 / jb <br />Radium 228 MDC 1.1 pCi/L RA-05 10/12/10 15:43 / ib <br />FIELD PARAMETERS <br />Conductivity 1620 umhos/cm FIELD 09/08/10 00:00 / <br />Flow 50 gpm FIELD 09108/10 00:00 / <br />pH 7.02 s.u. FIELD 09108/10 00:00 <br />Temperature 15.6 "C FIELD 09/08/10 00:00! <br />"' Performed by Sampler <br />Report RL - Analyte reporting limit. <br />Definitions: QCL - Quality control limit. <br />MDC - Minimum delectable concentration <br />MCL - Maximum contaminant level. <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum delectable concentration <br />Page 3 of 9