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Ham Trust our People.Trust our Data. Billings,MT 800.735.4489•Casper,WY 888.235.0515 <br /> Gillette,WY 866.686.7175•Helena,MT 877.472.0711 <br /> QA/QC Summary Report <br /> Prepared by Billings, MT Branch <br /> Client: Energy Fuels Resources (USA) Inc Report Date: 06/19/17 <br /> Project: Whirlwind Mine Work Order: C17060348 <br /> Analyte Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E200.8 Analytical Run ICPMS206-B_170614AI <br /> Lab ID: QCS Initial Calibration Verification Standard 06/15/17 19-25 <br /> Arsenic 0.0545 mg/L 0.0050 109 90 110 <br /> Selenium 0.0500 mg/L 00050 100 90 110 <br /> Uranium 0.0205 mg/L 0.0010 102 90 110 <br /> Method: E200.8 Batch: R281418 <br /> Lab ID: LRB Method Blank Run. ICPMS206-B_170614A 06/14/17 10.42 <br /> Arsenic ND mg/L 00001 <br /> Selenium ND mg/L 0.0004 <br /> Uranium ND mg/L 000003 <br /> Lab ID: LFB Laboratory Fortified Blank Run. ICPMS206-B_170614A 06/14/17 15:35 <br /> Arsenic 0.0445 mg/L 0.0050 89 85 115 <br /> Selenium 0.0456 mg/L 0.0050 91 85 115 <br /> Uranium 00460 mg/L 00010 92 85 115 <br /> Lab ID: B17061157-024DMS Sample Matrix Spike Run: ICPMS206-B_170614A 06/15/17 21.53 <br /> Arsenic 00480 mg/L 00010 95 70 130 <br /> Selenium 0204 mg/L 0.0010 90 70 130 <br /> Uranium 0.0552 mg/L 000030 93 70 130 <br /> Lab ID: B17061157-024DMSD Sample Matrix Spike Duplicate Run. ICPMS206-B_170614A 06/15/17 21:57 <br /> Arsenic 00472 mg/L 0.0010 94 70 130 1.6 20 <br /> Selenium 0.205 mg/L 0.0010 92 70 130 06 20 <br /> Uranium 0.0549 mg/L 0.00030 93 70 130 05 20 <br /> Lab ID: B17061196-001CMS Sample Matrix Spike Run:ICPMS206-B_170614A 06/15/17 22.47 <br /> Arsenic 00481 mg/L 0.0010 94 70 130 <br /> Selenium 0.0500 mg/L 00010 99 70 130 <br /> Uranium 1.15 mg/L 000030 70 130 A <br /> Lab ID: B17061196-001CMSD Sample Matrix Spike Duplicate Run, ICPMS206-B_170614A 06/15/17 22.50 <br /> Arsenic 00479 mg/L 0.0010 94 70 130 0.4 20 <br /> Selenium 0.0523 mg/L 0.0010 104 70 130 45 20 <br /> Uranium 1 15 mg/L 000030 70 130 07 20 A <br /> Qualifiers: - — ----- --- -- - -------- <br /> RL-Analyte reporting limit. A-The analyte level was greater than four times the spike level. In <br /> accordance with the method%recovery is not calculated. <br /> ND-Not detected at the reporting limit <br /> Page 24 of 29 <br />