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• www.energylab.com Helena,W$77472-0711 •Billings,MT 800-7354489•Casper,WY 888-235-0515 <br /> n A fsael=slate IX2 Gillette,WY$66-606-7175•Rapid City,SO 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: 07/03/14 <br /> Project: Schwartz GW 06/06/14 S27541 Collection Date: 06/06/14 12:30 <br /> Lab ID: C14060289-001 DateReceived: 06/09/14 <br /> Client Sample ID: Mine Refill (S27541) Matrix: Aqueous <br /> MCL/ <br /> Analyses Result Units Qualifiers RL QCL Method Analysis Date/By <br /> MAJOR IONS <br /> Chloride 24 mg/L 1 E300.0 06/10/14 20:30/we <br /> Sulfate 1580 mg/L D 2 E300.0 06/10/14 20:30/we <br /> NON-METALS <br /> Organic Carbon,Total (TOC) 2.9 mg/L 0.5 A5310 C 06/10/14 11:03/jba <br /> PHYSICAL PROPERTIES <br /> Solids,Total Dissolved TDS @ 180 C 2770 mg/L 21 A2540 C 06/10/14 15:13/tmm <br /> METALS-DISSOLVED <br /> Arsenic 0.014 mg/L 0.001 E200.8 06/18/14 22:33/cp <br /> Barium ND mg/L 0.05 E200.8 06/18/14 22:33/cp <br /> Iron 9.24 mg/L 0.03 E200.7 06/26/14 23:51 /sf <br /> Manganese 2.42 mg/L 0.001 E200.8 06/23/14 21:34/cp <br /> Molybdenum 0.609 mg/L 0.001 E200.8 06/18/14 22:33/cp <br /> Uranium 6.43 mg/L 0.0003 E200.8 06/18/14 22:33/cp <br /> METALS-TOTAL <br /> Arsenic 0.016 mg/L 0.001 E200.8 06/19/14 21:43/cp <br /> Barium ND mg/L 0.05 E200.8 06/19/14 21:43/cp <br /> Iron 10.3 mg/L 0.03 E200.7 06/27/14 20:25/sf <br /> Manganese 2.41 mg/L 0.001 E200.8 06/19/14 21:43/cp <br /> Molybdenum 0.707 mg/L 0.001 E200.8 06/19/14 21:43/cp <br /> Uranium 6.90 mg/L 0.0003 E200.8 06/19/14 21:43/cp <br /> RADIONUCLIDES-TOTAL <br /> Radium 226 223 pCi/L E903.0 06/23/14 08:24/trs <br /> Radium 226 precision(±) 2.9 pCi/L E903.0 06/23/14 08:24/trs <br /> Radium 226 MDC 0.18 pCi/L E903.0 06/23/14 08:24/trs <br /> Radium 228 4.8 pCi/L RA-05 06/16/14 08:53/plj <br /> Radium 228 precision(±) 0.87 pCi/L RA-05 06/16/14 08:53/plj <br /> Radium 228 MDC 1.1 pCi/L RA-05 06/16/14 08:53/plj <br /> Radium 226+Radium 228 227 pCi/L A7500-RA 06/25/14 16:30/res <br /> Radium 226+Radium 228 precision(±) 3.0 pCi/L A7500-RA 06/25/14 16:30/res <br /> Radium 226+Radium 228 MDC 1.1 pCi/L A7500-RA 06/25/14 16:30/res <br /> FIELD PARAMETERS <br /> Field Conductivity 3060 umhos/cm FIELD 06/06/14 12:30/*** <br /> Field pH 7.04 s.u. FIELD 06/06/14 12:30/*** <br /> Field Temperature,C 17.1 °C FIELD 06/06/14 12:30/*** <br /> Oxidation-Reduction Potential(ORP) 141 mV FIELD 06/06/14 12:30/*** <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 D-RL increased due to sample matrix. <br /> Page 3 of 29 <br />