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wwwmiewsb com Helm, MT 877.472-8711 • Billings, MT 888-735-4488 • Casper, WY 881-235-0515 <br />Augf df=1hwSpa 11V J- I Gillette, WY 881.818-7115 • Rapid City, SD 881412-1225 • Collep Station, U 881-691-2218 <br />LABORATORY ANALYTICAL REPORT <br />Client: Cotter Corporation Report Date: 08/24/10 <br />Project: Schwartzwalder Water Monitoring Program Collection Date: 07/14/10 07:50 <br />Lab ID: C10070574-003 DateReceived: 07/15/10 <br />Client Sample ID: SW-IBPL Matrix: Aqueous <br /> MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br /> <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 0.04 pCi/L U E903.0 07/29/10 19:27 / trs <br />Radium 226 precision (±) 0.1 pCi/L E903.0 07/29/10 19:27 / trs <br />Radium 226 MDC 0.16 pCi/L E903.0 07/29/10 19:27 / trs <br />DATA QUALITY <br />A/C Balance (± 5) -3.18 % Calculation 07/28/10 08:17 /kbh <br />Anions 2.95 meq/L Calculation 07/28/10 08:17 / kbh <br />Cations 2.77 meq/L Calculation 07/28/10 08:17 / kbh <br />Solids, Total Dissolved Calculated 180 mg/L Calculation 07/28/10 08:17 / kbh <br />TDS Balance (0.80 - 1.20) 1.08 Calculation 07/28/10 08:17 / kbh <br />FIELD PARAMETERS <br />Conductivity 351 umhos/cm FIELD 07/14/10 07:50 <br />pH 7.63 s.u. FIELD 07/14/10 07:50 <br />Temperature 15.9 °C FIELD 07/14/10 07:50 <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 7 of 40