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www.enetdob.com Helena, MT 677-472-0711 • Billings, MT 800-735-4489 • Casper, WY 888-235-0515 <br />?WMMZ - . _ = Au&tWEvibm $I=1li3? Gillette, WY 866-686-7175 • Rapid City, SD 888-672-1225 • College Station, TX 888-690-2218 <br />LABORATORY ANALYTICAL REPORT <br />Client: Energy Fuels Resources Corporation <br />Project: Whirlwind Mine <br />Lab ID: C10060214-001 <br />Client Sample ID: PR Spring <br />Report Date: 07/06/10 <br />Collection Date: 06/02/10 14:30 <br />Date Rece ived: 06/05/10 <br />Matrix: Aqueous <br />Analyses Result Units <br />MCL/ <br />Qualifier RL QCL Method Analysis Date / By <br />RADIONUCLIDES - TOTAL <br />Radium 226 3.7 pCi/L <br />Radium 226 precision (±) 0.35 pCi/L <br />Radium 226 MDC 0.11 pCi/L <br />Radium 228 0.21 pCi/L <br />Radium 228 precision (±) 0.74 pCi/L <br />Radium 228 MDC 1.2 pCi/L <br />DATA QUALITY <br />A/C Balance (± 5) -0.730 % <br />Anions 9.80 meq/L <br />' <br />Cations 9.66 meq/L <br />Solids, Total Dissolved Calculated 553 mg/L <br />_ TDS Balance (0.80 - 1.20) 0.980 <br />I <br />U <br />E903.0 06/28/10 12:30 / trs <br />E903.0 06/28/10 12:30 / trs <br />E903.0 06/28/10 12:30 / trs <br />RA-05 06/22/10 12:13 / plj <br />RA-05 06/22/10 12:13 / plj <br />RA-05 06/22/10 12:13 / pij <br />Calculation 06/14/10 10:54 / kbh <br />Calculation 06/14/10 10:54 / kbh <br />Calculation 06/14/10 10:54 / kbh <br />Calculation 06/14/10 10:54 / kbh <br />Calculation 06/14/10 10:54 / kbh <br />Report RL - Analyte reporting limit. <br />Definitions: QCL - Quality, control limit. <br />MDC - Minimum detectable concentration <br />Page 3 of 20 <br />MCL - Maximum contaminant level. <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration