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www.ertergylab.com Helena,MT$77-472-0711 •Billings,MY 600-735-4489•Casper,WY 808-235-8515 <br /> - A~ samca INZ Gillette,WY 866-686-7175•Rapid City,SD 886-672-1225•College Station,TX 888-690-2218 <br /> LABORATORY ANALYTICAL REPORT <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 05/13/14 <br /> Project: Schwartz-GW 4/23/14 S27445 Collection Date: 04/23/14 15:40 <br /> Lab ID: C14040728-001 DateReceived: 04/24/14 <br /> Client Sample ID: MW-18 (S27445) Matrix: Aqueous <br /> MCL/ <br /> Analyses Result Units Qualifiers RL QCL Method Analysis Date/By <br /> RADIONUCLIDES-TOTAL <br /> Gross Alpha 1830 pCi/L E900.0 05/01/14 12:38/Ibb <br /> Gross Alpha precision(±) 29.2 pCi/L E900.0 05/01/14 12:38/Ibb <br /> Gross Alpha MDC 7.1 pCi/L E900.0 05/01/14 12:38/Ibb <br /> Gross Beta 106 pCi/L E900.0 05/01/14 12:38/Ibb <br /> Gross Beta precision(±) 8.7 pCi/L E900.0 05/01/14 12:38/Ibb <br /> Gross Beta MDC 8.3 pCi/L E900.0 05/01/14 12:38/Ibb <br /> DATA QUALITY <br /> A/C Balance(±5) -4.09 % A1030 E 05/13/14 07:55/kbh <br /> Anions 25.9 meq/L A1030 E 05/13/14 07:55/kbh <br /> Cations 23.8 meq/L A1030 E 05/13/14 07:55/kbh <br /> Solids,Total Dissolved Calculated 1600 mg/L A1030 E 05/13/14 07:55/kbh <br /> TDS Balance (0.80- 1.20) 1.07 A1030 E 05/13/14 07:55/kbh <br /> FIELD PARAMETERS <br /> Field Conductivity 1895 umhos/cm FIELD 04/23/14 15:40/ <br /> Field pH 7.37 s.u. FIELD 04/23/14 15:40 <br /> Field Temperature,C 10.7 °C FIELD 04/23/14 15:40 <br /> Oxidation-Reduction Potential(ORP) 62 mV FIELD 04/23/14 15:40 <br /> Field data provided by client <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 4 of 20 <br />