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aceAr)alyicat, 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: 4/27/2024 <br /> Work Order: S2404057 Report ID: S2404057001 <br /> Project: Whirlwind Waste Rock-SPLP Rads <br /> Gross Alpha,Beta by SM 7110B Sample Type MBLK Units: pCi/L <br /> MBLK-822(04/16/24 10:28) RunNo:220130 <br /> Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual <br /> Gross Alpha(Dissolved) ND 2.00 <br /> Gross Beta(Dissolved) ND 3.00 <br /> Gross Alpha,Beta by SM 7110B Sample Type LCS Units: pCi/L <br /> LCS A-822(04/16/24 10:28) RunNo:220130 <br /> Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual <br /> Gross Alpha(Dissolved) 49.2 2.00 65.2 75.4 59-103 <br /> LCS B-822(04/16/24 10:28) RunNo:220130 <br /> Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual <br /> Gross Beta(Dissolved) 74.2 3.00 79.7 93.0 84-108 <br /> Gross Alpha, Beta by SM 7110B Sample Type MS Units: pCi/L <br /> S2404095-002FMSA(04/16/24 15:40) RunNo:220130 <br /> AnalyteResult RL Spike Ref Samp %REC %Rec Limits Qual <br /> Gross Alpha(Dissolved) 42.0 2.00 65.2 ND 64.4 37-131 <br /> S2404095-002FMSB(04/16/24 15:40) RunNo:220130 <br /> Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual <br /> Gross Beta(Dissolved) 77.5 3.00 79.7 4.69 91.4 77.4-116 <br /> Gross Alpha,Beta by SM 7110B Sample Type DUP Units: pCi/L <br /> S2404002-001 CDUP(04/16/24 10:28) RunNo:220130 <br /> Analyte Result RL Ref Samp %RPD %REC % RPD Limits Qual <br /> Gross Alpha(Dissolved) ND 4.00 ND 20 <br /> Gross Beta(Dissolved) 11.0 7.00 ND 20 R <br /> Radium 226 by Ga/Tech Sample Type MBLK Units: pCi/L <br /> MB-802(04/26/24 10:51) RunNo:220296 PrepDate: 04/04/24 0:00 BatchlD:21760 <br /> Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual <br /> Radium 226(Dissolved) ND 1.00 <br /> Radium 226 by Ga/Tech Sample Type LCS Units: pCi/L <br /> LCS-802(04/26/24 13:53) RunNo:220296 PrepDate: 04/04/24 0:00 BatchlD:21760 <br /> Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual <br /> Radium 226(Dissolved) 18.3 1.00 23.4 78.1 55-120 <br /> Radium 226 by Ga/Tech Sample Type MS Units: pCi/L <br /> MS-802(04/26/24 19:59) RunNo:220296 PrepDate: 04/04/24 0:00 BatchlD:21760 <br /> Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual <br /> Radium 226(Dissolved) 18.5 1.00 23.4 ND 79.3 47-117 <br /> Radium 226 by Ga/Tech Sample Type MSD Units: pCi/L <br /> MSD-802(04/26/24 23:02) RunNo:220296 PrepDate: 04/04/24 0:00 BatchlD:21760 <br /> Analyte Result RL Conc %RPD %REC %RPD Limits Qual <br /> Radium 226(Dissolved) 19.4 1.00 18.5 4.49 82.9 20 <br /> Page 1 of 2 <br />