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www.energylab.com Helena,MT 877472-0711 •Billings,MT 806-735-4489•Casper,WY 888-235-0515 <br /> CUM 1 S1aw 1152 Gillette,WY 866-686-7175•Rapid City,SD 888-672-1225•College Station,T%888-690-2218 <br /> LABORATORY ANALYTICAL REPORT <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 05/21/14 <br /> Project: Schwartz-SW 5/1/14 S27466 Collection Date: 05/01/14 10:30 <br /> Lab ID: C14050047-001 DateReceived: 05/02/14 <br /> Client Sample ID: SW-AW D (S27466) Matrix: Aqueous <br /> MCL/ <br /> Analyses Result Units Qualifiers RL QCL Method Analysis Date/By <br /> METALS-TOTAL <br /> Silver ND mg/L 0.00005 E200.8 05/06/14 22:19/clm <br /> Thallium ND mg/L 0.0002 E200.8 05/06/14 22:19/clm <br /> Uranium 0.0025 mg/L 0.0002 E200.8 05/06/14 22:19/cim <br /> Zinc ND mg/L 0.005 E200.7 05/15/14 17:15/sf <br /> RADIONUCLIDES - DISSOLVED <br /> Radium 226 0.17 pCi/L U E903.0 05/12/14 07:50/Imc <br /> Radium 226 precision(±) 0.13 pCi/L E903.0 05/12/14 07:50/Imc <br /> Radium 226 MDC 0.18 pCi/L E903.0 05/12/14 07:50/Imc <br /> RADIONUCLIDES-TOTAL <br /> Gross Alpha 2.7 pCi/L E900.0 05/13/14 18:21 /Ibb <br /> Gross Alpha precision(±) 0.9 pCi/L E900.0 05/13/14 18:21 /Ibb <br /> Gross Alpha MDC 1.2 pCi/L E900.0 05/13/14 18:21 /Ibb <br /> Gross Beta 0.8 pCi/L U E900.0 05/13/14 18:21 /Ibb <br /> Gross Beta precision (±) 1.4 pCi/L E900.0 05/13/14 18:21 /Ibb <br /> Gross Beta MDC 2.4 pCi/L E900.0 05/13/14 18:21 /Ibb <br /> Radium 226 0.09 pCi/L U E903.0 05/19/14 07:12/trs <br /> Radium 226 precision(±) 0.11 pCi/L E903.0 05/19/14 07:12/trs <br /> Radium 226 MDC 0.17 pCi/L E903.0 05/19/14 07:12/trs <br /> Radium 228 0.42 pCi/L U RA-05 05/12/14 12:08/plj <br /> Radium 228 precision (±) 0.73 pCi/L RA-05 05/12/14 12:08/plj <br /> Radium 228 MDC 1.2 pCi/L RA-05 05/12/14 12:08/plj <br /> DATA QUALITY <br /> A/C Balance(±5) 1.11 % A1030 E 05/19/14 07:37/kbh <br /> Anions 2.17 meq/L A1030 E 05/19/14 07:37/kbh <br /> Cations 2.22 meq/L A1030 E 05/19/14 07:37/kbh <br /> Solids,Total Dissolved Calculated 140 mg/L A1030 E 05/19/14 07:37/kbh <br /> TDS Balance(0.80- 1.20) 1.27 A1030 E 05/19/14 07:37/kbh <br /> FIELD PARAMETERS <br /> Field Conductivity 238 umhos/cm FIELD 05/01/14 10:30/- <br /> Field pH 7.09 s.u. FIELD 05/01/14 10:30/- <br /> Field Temperature,C 7.9 °C FIELD 05/01/14 10:30/- <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 U-Not detected at minimum detectable concentration <br /> Page 4 of 27 <br />