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..... .......... _.......... . <br /> Trust our People.Trust our Data. Billings,MT 800.135.4489•Casper,WY 688.235.0515 <br /> www.energylab.com College Station,TX 888.690.2218•Gillette,WY 866.686.7175•Helena,MT 877.472.0711 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Energy Fuels Resources(USA) Inc Report Date: 06/29/16 <br /> Project: Whirlwind Annual Sampling 2016 Work Order: C16060138 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: RA-05 Batch: RA228-5241 <br /> Lab ID: LCS-228-RA226-8136 Laboratory Control Sample Run:TENNELEC-3_160610B 06/22/16 12:15 <br /> Radium 228 7.0 pCi/L 100 80 120 <br /> Lab ID: MB-RA226-8136 3 Method Blank Run:TENNELEC-3_160610B 06/22/16 12:15 <br /> Radium 228 0.2 pCi/L U <br /> Radium 228 precision(t) 0.7 pCi/L <br /> Radium 228 MDC 1 pCi/L <br /> Lab ID: C16060138-001DMS Sample Matrix Spike Run:TENNELEC-3_160610B 06/22/16 12:15 <br /> Radium 228 16 pCi/L 83 70 130 <br /> Lab ID: C16060138-001DMSD Sample Matrix Spike Duplicate Run:TENNELEC-3_160610B 06/22/16 12:15 <br /> Radium 228 19 pCi/L 100 70 130 15 55.6 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration U-Not detected at minimum detectable concentration <br /> Page 29 of 31 <br />