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• Trust our People.Trust our Data Billings,MT 406.252.6325•Casper,wy 307.235.0515 <br /> E Gillette,wy 307.686.7175•Helena.MT 406.442.0711 <br /> QA/QC Summary Report <br /> Prepared by Billings, MT Branch <br /> Client: Energy Fuels Resources(USA) Inc Work Order: C23070846 Report Date: 08/09/23 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E200.8 Analytical Run ICPMS208-B_230731A <br /> Lab ID: QCs 10 Initial Calibration Verification Standard 08/01/23 19 10 <br /> Arsenic 0.0495 mg/L 0.0050 99 90 110 <br /> Beryllium 0.0270 mg/L 00010 108 90 110 <br /> Chromium 0.0481 mg/L 0.010 96 90 110 <br /> Iron 0 258 mg/L 0.020 103 90 110 <br /> Manganese 0 243 mg/L 00050 97 90 110 <br /> Nickel 0.0501 mg/L 00050 100 90 110 <br /> Selenium 00542 mg/L 0.0050 108 90 110 <br /> Uranium 00509 mg/L 0.00030 102 90 110 <br /> Vanadium 0.0483 mg/L 0.010 97 90 110 <br /> Zinc 00525 mg/L 00050 105 90 110 <br /> Lab ID: CCV 10 Continuing Calibration Verification Standard 08/01/23 23-35 <br /> Arsenic 00463 mg/L 0.0050 93 90 110 <br /> Beryllium 00512 mg/L 0.0010 102 90 110 <br /> Chromium 0.0464 mg/L 0 010 93 90 110 <br /> Iron 1.36 mg/L 0.020 104 90 110 <br /> Manganese 00469 mg/L 0.0050 94 90 110 <br /> Nickel 0.0479 mg/L 0.0050 96 90 110 <br /> Selenium 00544 mg/L 0.0050 109 90 110 <br /> Uranium 00497 mg/L 000030 99 90 110 <br /> Vanadium 00464 mg/L 0.010 93 90 110 <br /> Zinc 0.0480 mg/L 0.0050 96 90 110 <br /> Lab ID: CCV 10 Continuing Calibration Verification Standard 08/02/23 00-57 <br /> Arsenic 00470 mg/L 0.0050 94 90 110 <br /> Beryllium 00500 mg/L 0.0010 100 90 110 <br /> Chromium 00464 mg/L 0.010 93 90 110 <br /> Iron 1.30 mg/L 0.020 100 90 110 <br /> Manganese 0.0472 mg/L 0.0050 94 90 110 <br /> Nickel 0.0483 mg/L 00050 97 90 110 <br /> Selenium 00509 mg/L 0.0050 102 90 110 <br /> Uranium 00488 mg/L 000030 98 90 110 <br /> Vanadium 00467 mg/L 0.010 93 90 110 <br /> Zinc 0.0492 mg/L 00050 98 90 110 <br /> Method: E200.8 Batch:R406278 <br /> Lab ID: LRB 10 Method Blank Run ICPMS208-B 230731A 07/31/23 15:44 <br /> Arsenic ND mg/L 0.00004 <br /> Beryllium ND mg/L 0.0001 <br /> Chromium ND mg/L 0.0002 <br /> Iron ND mg/L 0.002 <br /> Manganese ND mg/L 000008 <br /> Nickel ND mg/L 0.0005 <br /> Selenium ND mg/L 000006 <br /> Uranium ND mg/L 000001 <br /> Vanadium ND mg/L 0 001 <br /> Qualifiers: <br /> RL-Analyte Reporting Limit ND-Not detected at the Reporting Limit(RL) <br /> Page 30 of 36 <br />