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- www.energylab.com Helena, MT 877-372-0711 a Billings, MT 800.735-4489 t Casper, iv 888-235-0515 <br />l ABaJyttcs/Excctlcnce SGrca 1991 J Gillette, WY 866-686-7175 + Rapid City, SD 888-672-1225 • College Station, TX 888-690-2218 <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 14:55 <br />Lab ID: C1 01 1 0027-002 DateReceived: 11/01/10 <br />Client Sample ID: MW-0 (S25385) Matrix: Aqueous <br /> MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />RADIONUCLIDES - TOTAL <br />Gross Alpha 427 pCi/L E900.0 11 /20/10 11:00 / ep <br />Gross Alpha precision (±) 9.3 pCi/L E900.0 11/20/10 11:00 / ep <br />Gross Alpha MDC 2.6 pCi/L E900.0 11/20/10 11:00 / ep <br />Gross Beta 145 pCi/L E900.0 11/20/10 11:00 / ep <br />Gross Beta precision (±) 3.1 pCi/L E900.0 11/20/10 11:00 / ep <br />Gross Beta MDC 2.4 pCi/L E900.0 11/20/10 11:00 / ep <br />DATA QUALITY <br />A/C Balance (± 5) -2.72 % Calculation 11/21/10 11:38 / kbh <br />Anions 6.13 meq/L Calculation 11/21/10 11:38 / kbh <br />Cations 5.81 meq/L Calculation 11/21/10 11:38 / kbh <br />Solids, Total Dissolved Calculated 368 mg/L Calculation 11121/10 11:313 / kbh <br />TDS Balance (0.80 - 1.20) 1.08 Calculation 11/21/10 11:38 / kbh <br />FIELD PARAMETERS <br />Conductivity 576 umhos/cm FIELD 10/29/1014:55/ <br />Flow 0.66 gpm FIELD 10/29/1014:55/ <br />pH 6.93 s.u. FIELD 10/29/10 14:55 / <br />Temperature 11.8 `C FIELD 10/29/10 14:55 / <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 <br />Page 6 of 26