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4ce"Od, 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: 3/22/2023 <br /> Work Order: S2302101 Report ID: S2302101001 <br /> Project: Whirlwind <br /> Dissolved Metals by ICP-EPA 200.7-Water Sample Type: MBLK Units, mg/L <br /> MBLK DISS/CAT(02/09123 10:38) RunNo-207891 <br /> Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual <br /> Aluminum ND 0.1 <br /> Beryllium ND 0.001 <br /> Boron ND 0.1 <br /> Chromium ND 0.01 <br /> Iron ND 0.05 <br /> Manganese ND 0.02 <br /> Nickel ND 0.01 <br /> Zinc ND 0.02 <br /> Dissolved Metals by ICP-EPA 200.7-Water Sample Type: LCS Units: mg/L <br /> DISS LCS(02/09/23 10:41) RunNo:207891 <br /> Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual <br /> Aluminum 1.0 0.1 1 99.5 85-115 <br /> Beryllium 1.03 0.001 1 103 85-115 <br /> Boron 1.0 0.1 1 99.1 85-115 <br /> Chromium 1.01 0.01 1 101 85-115 <br /> Iron 0.98 0.05 1 97.9 85-115 <br /> Manganese 1.00 0.02 1 100 85-115 <br /> Nickel 1.01 0.01 1 101 85-115 <br /> Zinc 1.01 0.02 1 101 85-115 <br /> Dissolved Metals by ICP-EPA 200.7-Water Sample Type- MS Units: mg/L <br /> S2302101-002BS(02109/23 11:58) RunNo:207891 <br /> Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual <br /> Aluminum 0.3 0.1 0.25 ND 124 70-130 <br /> Beryllium 0.289 0.001 0.25 ND 116 70-130 <br /> Boron 0.3 0.1 0.25 ND 123 70-130 <br /> Chromium 0.27 0.01 0.25 ND 107 70-130 <br /> Iron 0.27 0.05 0.25 ND 109 70-130 <br /> Manganese 0.29 0.02 0.25 ND 116 70-130 <br /> Nickel 0.29 0.01 0.25 ND 117 70-130 <br /> Zinc 0.29 0.02 0.25 ND 116 70-130 <br /> Dissolved Metals by ICP-EPA 200.7-Water Sample Type: MSD Units: mg/L <br /> S2302101-002BSD(02/09123 12:00) RunNo:207891 <br /> Analyte Result RL Conc %RPD %REC %RPD Limits Qual <br /> Aluminum 0.3 0.1 0.3 7.68 115 20 <br /> Beryllium 0.264 0.001 0.289 9.03 106 20 <br /> Boron 0.3 0.1 0.3 6.67 115 20 <br /> Chromium 0.24 0.01 0.27 8.80 97.7 20 <br /> Iron 0.26 0.05 0.27 7.02 102 20 <br /> Manganese 0.27 0.02 0.29 7.65 107 20 <br /> Nickel 0.27 0.01 0.29 7.42 108 20 <br /> Zinc 0.27 0.02 0.29 8.27 106 20 <br /> Page 3 of 16 <br />