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E Trust our People Trust our Data Billings,MT 406.252.6325•Casper,WY 307.235.0515 <br /> G 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:ICPMS207-B_230731A <br /> Lab ID: QCS 10 Initial Calibration Verification Standard 07/31/23 17 46 <br /> Arsenic 00504 mg/L 00050 101 90 110 <br /> Barium 00490 mg/L 0.010 98 90 110 <br /> Cadmium 00262 mg/L 00010 105 90 110 <br /> Chromium 0.0504 mg/L 0 010 101 90 110 <br /> Lead 0.0488 mg/L 00010 98 90 110 <br /> Manganese 0 255 mg/L 00050 102 90 110 <br /> Molybdenum 00492 mg/L 00050 98 90 110 <br /> Nickel 00528 mg/L 0.0050 106 90 110 <br /> Uranium 0.0486 mg/L 0.00030 97 90 110 <br /> Zinc 00526 mg/L 0.0050 105 90 110 <br /> Lab ID: CCV 10 Continuing Calibration Verification Standard 07/31/23 18 17 <br /> Arsenic 0.0495 mg/L 0.0050 99 90 110 <br /> Barium 0.0508 mg/L 0.010 102 90 110 <br /> Cadmium 00508 mg/L 0.0010 102 90 110 <br /> Chromium 0.0468 mg/L 0.010 93 90 110 <br /> Lead 0.0481 mg/L 00010 96 90 110 <br /> Manganese 0.0475 mg/L 0.0050 95 90 110 <br /> Molybdenum 0.0486 mg/L 0.0050 97 90 110 <br /> Nickel 0.0517 mg/L 0.0050 103 90 110 <br /> Uranium 0.0484 mg/L 0.00030 97 90 110 <br /> Zinc 0.0518 mg/L 0.0050 104 90 110 <br /> Lab ID: CCV 10 Continuing Calibration Verification Standard 07/31/23 19:42 <br /> Arsenic 0.0493 mg/L 00050 99 90 110 <br /> Barium 00473 mg/L 0.010 95 90 110 <br /> Cadmium 00499 mg/L 00010 100 90 110 <br /> Chromium 00495 mg/L 0 010 99 90 110 <br /> Lead 00480 mg/L 00010 96 90 110 <br /> Manganese 00511 mg/L 0.0050 102 90 110 <br /> Molybdenum 0.0495 mg/L 0.0050 99 90 110 <br /> Nickel 00516 mg/L 0.0050 103 90 110 <br /> Uranium 0.0463 mg/L 000030 93 90 110 <br /> Zinc 0.0508 mg/L 0.0050 102 90 110 <br /> Method: E200.8 Batch.R406269 <br /> Lab ID: LRB 10 Method Blank Run: ICPMS207-B_230731A 07/31/23 12:06 <br /> Arsenic ND mg/L 000008 <br /> Barium ND mg/L 0.00007 <br /> Cadmium ND mg/L 0.00002 <br /> Chromium ND mg/L 0.0003 <br /> Lead ND mg/L 000003 <br /> Manganese ND mg/L 0.00007 <br /> Molybdenum ND mg/L 0.00005 <br /> Nickel ND mg/L 0.0002 <br /> Uranium ND mg/L 0.00002 <br /> Qualifiers: <br /> RL-Analyte Reporting Limit ND-Not detected at the Reporting Limit(RL) <br />' Page 28 of 36 <br />