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• Trust our People.Trust our Data. Billings,MT 800.735.4489•Casper,WY 888.235.0515 <br /> ® www.energylab.com - ' 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 Work Order: C22080249 Report Date: 08/23/22 <br /> LAnalyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E200.8 Analytical Run: ICPMS207-B220816A <br /> Lab ID: QCS 2 Initial Calibration Verification Standard 08/16/22 10:47 <br /> Uranium 0.0491 mg/L 0.00030 98 90 110 <br /> Vanadium 0.0506 mg/L 0.10 101 90 110 <br /> Lab ID: CCV 2 Continuing Calibration Verification Standard 08/16/22 11:48 <br /> Uranium 0.0499 mg/L 0.00030 100 90 110 <br /> Vanadium 0.0504 mg/L 0.10 101 90 110 <br /> Lab ID: CCV 2 Continuing Calibration Verification Standard 08/16/22 13:51 <br /> Uranium 0.0504 mg/L 0.00030 101 90 110 <br /> Vanadium 0.0550 mg/L 0.10 110 90 110 <br /> Method: E200.8 Batch: R386400 <br /> Lab ID: LRB 2 Method Blank Run: ICPMS207-B_220816A 08/16/22 11.12 <br /> Uranium ND mg/L 0.00002 <br /> Vanadium ND mg/L 0.002 <br /> Lab ID: LFB 2 Laboratory Fortified Blank Run:ICPMS207-B 220816A 08/16/22 11:18 <br /> Uranium 0.0537 mg/L 0.00030 107 85 115 <br /> Vanadium 0.0533 mg/L 0.10 107 85 115 <br /> Lab ID: B22080890-001BMS 2 Sample Matrix Spike Run: ICPMS207-B 220816A 08/16/22 13.21 <br /> Uranium 0.100 mg/L 0.00030 100 70 130 <br /> Vanadium 0.101 mg/L 0.021 101 70 130 <br /> Lab ID: B22080890-001BMSD 2 Sample Matrix Spike Duplicate Run: ICPMS207-B220816A 08/16/22 13-27 <br /> Uranium 0.0990 mg/L 0.00030 99 70 130 1.2 20 <br /> Vanadium 0.103 mg/L 0.021 103 70 130 2.2 20 <br /> Method: E200.8 Analytical Run. ICPMS207-B220822A <br /> Lab ID: QCS Initial Calibration Verification Standard 08/22/22 11:58 <br /> Uranium 0.0471 mg/L 0.00030 94 90 110 <br /> Lab ID: CCV Continuing Calibration Verification Standard 08/22/22 12:59 <br /> Uranium 0.0483 mg/L 0.00030 97 90 110 <br /> Method: E200.8 Batch. R386692 <br /> Lab ID: LRB Method Blank Run: ICPMS207-B_220822A 08/22/22 12:22 <br /> Uranium ND mg/L 0.00002 <br /> Lab ID: LFB Laboratory Fortified Blank Run: ICPMS207-B 220822A 08/22/22 12:29 <br /> Uranium 0.0488 mg/L 0.00030 98 85 115 <br /> Lab ID: B22081732-002DMS Sample Matrix Spike Run: ICPMS207-B220822A 08/22/22 13-53 <br /> Uranium 0.252 mg/L 0.00030 100 70 130 <br /> Lab ID: B22081732-002DMSD Sample Matrix Spike Duplicate Run:ICPMS207-B220822A 08/22/22 13:59 <br /> Uranium 0.265 mg/L 0.00030 106 70 130 5.1 20 <br /> Qualifiers: <br /> RL-Analyte Reporting Limit ND-Not detected at the Reporting Limit(RL) <br /> Page 25 of 32 <br />