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ill, ceAnalytieal Pace Analytical <br /> 1673 Terra Avenue Sheridan,WY 82801 ph:(307)672-8945 <br /> ANALYTICAL QC SUMMARY REPORT <br /> CLIENT: Energy Fuels Resources(USA)Inc. Date: 3/28/2024 <br /> Work Order: S2402263 Report ID: S2402263001 <br /> Project: Whirlwind Waste Rock <br /> Total(3050)Metals by ICP-6010C Sample Type: LCS Units: mg/Kg <br /> LCS-21609(02/27/24 18:36) RunNo:218766 PrepDate: 02/26/24 8:07 BatchiD:21609 <br /> Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual <br /> Barium 49.2 0.5 50 98.3 80-120 <br /> Beryllium 52.0 0.7 50 104 80-120 <br /> Boron 121 5 125 96.9 80-120 <br /> Cadmium 49.3 0.5 50 98.6 80-120 <br /> Chromium 50 3 50 99.4 80-120 <br /> Copper 48 1 50 94.9 80-120 <br /> Iron 120 10 125 97.0 80-120 <br /> Lead 48 5 50 95.7 80-120 <br /> Manganese 50 1 50 99.4 80-120 <br /> Molybdenum 51 5 50 102 80-120 <br /> Nickel 121 1 125 97.2 80-120 <br /> Phosphorus 110 10 125 85.6 80-120 <br /> Selenium 90 5 100 90.2 80-120 <br /> Silver 24 5 25 93.9 80-120 <br /> Thallium 50 10 50 92.1 80-120 <br /> Uranium 50 10 50 101 80-120 <br /> Vanadium 47 1 50 94.7 80-120 <br /> Zinc 46 5 50 92.4 80-120 <br /> LCS-21609(02/27/24 18:39) RunNo:218766 PrepDate: 02/26/24 8:07 BatchiD:21609 <br /> Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual <br /> Calcium 1050 50 1000 105 80-120 <br /> Magnesium 1090 50 1000 109 80-120 <br /> Potassium 900 100 1000 90.9 80-120 <br /> Silicon 50 30 50 100 80-120 <br /> Sodium 1000 20 1000 100 80-120 <br /> Total(3050)Metals by ICP-6010C Sample Type: MS Units: mg/Kg <br /> S2402263-001AS(02/27/24 18:50) RunNo:218766 PrepDate: 02/26/24 8:07 BatchlD:21609 <br /> Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual f <br /> Aluminum 21800 10 125 17300 3600 75-125 S <br /> Antimony ND 20 50 ND 18.7 75-125 S <br /> Arsenic 53 3 50 4 99.3 75-125 <br /> Barium 651 0.5 50 611 80.8 75-125 <br /> Beryllium 48.8 0.7 50 0.9 95.7 75-125 <br /> Boron 120 10 125 20 78.8 75-125 <br /> Cadmium 48.9 0.5 50 ND 97.7 75-125 <br /> Chromium 58 3 50 8 101 75-125 <br /> Copper 63 1 50 14 98.7 75-125 <br /> Lead 61 15 50 ND 93.4 75-125 <br /> Manganese 361 1 50 315 93.6 75-125 <br /> Molybdenum 38 5 50 ND 75.1 75-125 <br /> Nickel 127 1 125 7 95.7 75-125 <br /> Phosphorus 550 10 125 440 81.9 75-125 <br /> Selenium 90 10 100 ND 92.7 75-125 <br /> Silver 20 5 25 ND 81.3 75-125 <br /> Thallium 29 15 50 ND 58.5 75-125 S <br /> Uranium 50 10 50 ND 101 75-125 <br /> Page 4 of 6 <br />