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nkgmkal' <br /> 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: 3/6/2023 <br /> Work Order: S2301346 Report ID: S2301346001 <br /> Project: Whirlwind <br /> Total(3060)Metals by ICP-6010C Sample Type: LCS Units: mg/Kg <br /> LCS-20413(02/13/23 18:19) RunNo:207974 PrepDate: 02/10/23 14:52 BatchlD:20413 <br /> Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual <br /> Thallium 51 15 50 101 80-120 <br /> Uranium 50 10 50 96.5 80-120 <br /> Vanadium 52 5 50 104 80-120 <br /> Zinc 53 15 50 106 80-120 <br /> LCS-20413(02/13/23 18:21) RunNo:207974 PrepDate: 02/10/23 14:52 BatchlD:20413 <br /> Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual <br /> Calcium 980 50 1000 98.0 80-120 <br /> Magnesium 1040 50 1000 104 80-120 <br /> Potassium 840 50 1000 83.6 80-120 <br /> Silicon 40 10 50 87.3 80-120 <br /> Sodium 1040 50 1000 104 80-120 <br /> Total(3050)Metals by ICP-6010C Sample Type: MS Units: mg/Kg <br /> S2301346-D01AS(02/13/23 18:42) RunNo:207974 PrepDate: 02/10/23 8:00 BatchlD:20413 <br /> Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual <br /> Aluminum 18600 10 125 11900 5420 75-125 S <br /> Antimony ND 20 50 ND 25.0 75-125 S <br /> Arsenic 54 3 50 6 96.2 75-125 <br /> Barium 579 0.5 50 503 152 75-125 S <br /> Beryllium 46.6 0.7 50 ND 91.9 75-125 <br /> Boron 100 10 125 ND 77.4 75-125 <br /> Cadmium 51.2 0.5 50 ND 102 75-125 <br /> Chromium 85 3 50 42 85.2 75-125 <br /> Copper 59 1 50 11 94.7 75-125 <br /> Iron 9040 10 125 7140 1520 75-125 S <br /> Lead 57 15 50 ND 91.3 75-125 <br /> Manganese 329 1 50 270 117 75-125 <br /> Molybdenum 37 5 50 ND 65.9 75-125 S <br /> Nickel 147 1 125 26 96.6 75-125 <br /> Phosphorus 330 10 125 220 87.9 75-125 <br /> Selenium 100 10 100 ND 98.6 75-125 <br /> Silver 23 5 25 ND 91.6 75-125 <br /> Thallium 39 15 50 ND 77.9 75-125 <br /> Uranium 50 10 50 ND 94.6 75-125 <br /> Vanadium 65 5 50 15 99.4 75-125 <br /> Zinc 66 15 50 21 88.9 75-125 <br /> S2301346-001AS(02/13/23 18:51) Run No:207974 PrepDate: 02/10/23 8:00 BatchlD:20413 <br /> Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual <br /> Calcium 30600 50 1000 28600 198 75-125 S <br /> Potassium 6150 50 1000 3310 283 75-126 S <br /> Sodium 2240 50 1000 1200 104 75-125 <br /> Total(3060)Metals by ICP-6010C Sample Type: MSD Units: mg/Kg <br /> S2301346-DOIAMSD(02/13/23 18:44) RunNo:207974 PrepDate: 02/10/23 8:00 BatchlD:20413 <br /> Analyte Result RL Conc %RPD %REC %RPD Limits Qual <br /> Aluminum 18500 10 18600 0.544 5340 20 S <br /> Page 5 of 7 <br />