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www.energylab.com r _ Helena, W 877-472-0711 Billings, UT 800-735-4489 Casper, WY 868-235-0515 <br />- t _ ry Mat y' :aiFxca11a4 ce Unce 1951 <br />I Gillette, WY 869.686-7175 • Rapid City, SD $88-672-1225 • College Station, TX 888-690-2118 <br />LABORATORY ANALYTICAL REPORT <br />Client: Cotter Corporation Report Date: 12/09/10 <br />Project: Schwartzwalder Water Sampling Program-Ground Water Collection Date: 10/29/10 12:10 <br />Lab ID: C101 10027-001 DateReceived: 11/01/10 <br />Client Sample ID: MW-00 (S25384) Matrix: Aqueous <br />............. <br />MCU <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />RADIONUCLIDES - TOTAL <br />Gross Alpha -1 pCi/L U E900.0 11/29/10 23:07 / ep <br />Gross Alpha precision (±) 13 pCi/L E900.0 11 /29/10 23:07 / ep <br />Gross Alpha MDC 2.4 pCi/L E900.0 11 /29110 23:07 / ep <br />Gross Beta 3.4 pCi/L E900.0 11 /29/10 23:07 / ep <br />Gross Beta precision (t) 1.5 pCi/L E900.0 11/20/10 11:00 / ep <br />Gross Beta MDC 2.5 pCi/L E900.0 11/29/10 23:07 / ep <br />DATA QUALITY <br />A/C Balance (± 5) -2.31 % Calculation 12/09/10 09:53 / sdw <br />Anions 3.65 meq/L Calculation 12/09/10 09:531 sdw <br />Cations 3.48 meq/L Calculation 12/09/10 09:53 / sdw <br />Solids, Total Dissolved Calculated 212 mg/L Calculation 12/09/10 09:53 / sdw <br />TDS Balance (0.80 - 1.20) 1.16 Calculation 12/09/10 09:531 sdw <br />FIELD PARAMETERS <br />Conductivity 366 umhos/cm FIELD 10/29/10 12:10/ <br />Flow 0.22 gpm FIELD 10/29/10 12:10 / <br />pH 7.04 s.u. FIELD 10/29/10 12:10 / " <br />Temperature 13.3 'C FIELD 10/29/10 12:101 <br />"' Performed by Sampler <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 U - Not detected at minimum detectable concentration <br />Page 4 of 26