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ENERGY LABORATORIES, INC. * 2393 Salt Creek Hwy (82601) * PO Box 3258 * Casper, WY 82602 <br />Toll Free 888.235.0515 * 307.235.0515 * FAX 307.234.1639 * casperCMenergylab.com * www.energylab.com <br />LABORATORY ANALYTICAL REPORT <br />Client: Powertech (USA) Inc <br />Project: Centennial R2-00150 <br />Lab ID: C08061324-001 <br />Client Sample ID: IS-003T <br />Report Date: 08/12/08 <br />Collection Date: 06/25/08 10:43 <br />Date Received: 06/27/08 <br />Matrix: Aqueous <br /> <br />Analyses <br />Result <br />Units <br />Qualifier RL MCL/ <br />QCL Method <br />Analysis Date / By <br />METALS-TOTAL <br />Thallium ND mg/L 0.001 E200.8 07/17/08 00:04 / is <br />Uranium 0.250 mg/L 0.0003 E200.8 07/18/08 17:24 / is <br />Vanadium ND mg/L 0.1 E200.7 07/08/08 02:05 / cp <br />Zinc 0.03 mg/L 0.01 E200.7 07/08/08 02:05 / cp <br />RADIONUCLIDES - DISSOLVED <br />Gross Alpha 786 pCi/L E900.0 08/05/08 09:25 / crw <br />Gross Alpha precision (±) 15.6 pCi/L E900.0 08/05/08 09:25 / crw <br />Gross Alpha MDC 2.9 pCi/L E900.0 08/05/08 09:25 / crw <br />Gross Beta 149 pCi/L E900.0 08/05/08 09:25 / crw <br />Gross Beta precision (±) 3.5 pCi/L E900.0 08/05/08 09:25 / crw <br />Gross Beta MDC 2.8 pCi/L E900.0 08/05/08 09:25 / crw <br />Radium 226 15.0 pCi/L E903.0 07/21/08 18:07 / trs <br />Radium 226 precision (±) 0.7 pCi/L E903.0 07/21/08 18:07 / trs <br />Radium 226 MDC 0.2 pCi/L E903.0 07/21/08 18:07 / trs <br />RADIONUCLIDES - TOTAL <br />Radon 222 88500 pCi/L 100 D5072-92 06/30/08 17:19 / dpb <br />Radon 222 precision (±) 473 pCi/L D5072-92 06/30/08 17:19 / dpb <br />DATA QUALITY <br />A/C Balance (± 5) 7.35 % Calculation 08/12/08 10:12 / sw <br />Anions 7.05 meq/L Calculation 08/12/08 10:12 / sw <br />Cations 8.17 meq/L Calculation 08/12/08 10:12 / sw <br />Solids, Total Dissolved Calculated 417 mg/L Calculation 08/12/08 10:12 / sw <br />TDS Balance (0.80 - 1.20) 0.970 Calculation 08/12/08 10:12 / sw <br />- The Anion / Cation balance was confirmed by re-analysis. <br />VOLATILE ORGANIC COMPOUNDS <br />Benzene ND ug/L 0.50 SW8021 B 07/04/08 16:59 / dkh <br />Ethylbenzene ND ug/L 0.50 SW8021 B 07/04/08 16:59 / dkh <br />m+p-Xylenes ND ug/L 0.50 SW8021 B 07/04/08 16:59 / dkh <br />o-Xylene ND ug/L 0.50 SW8021 B 07/04/08 16:59 / dkh <br />Toluene 15 ug/L 0.50 SW8021 B 07/04/08 16:59 / dkh <br />Surr: Trifluorotoluene 96.0 %REC 80-120 SW8021 B 07/04/08 16:59 / dkh <br />Report RL - Analyte reporting limit. <br />Definitions: QCL - Quality control limit. <br />MDC - Minimum detectable concentration <br />MCL - Maximum contaminant level. <br />ND - Not detected at the reporting limit. <br />Attachment E