2024-04-30_HYDROLOGY - M2007044 - Laserfiche WebLink

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2ceAnalyhcal Pace Analytical 1673 Terra Avenue Sheridan,WY 82801 ph:(307)672-8945 ANALYTICAL QC SUMMARY REPORT CLIENT: Energy Fuels Resources(USA)Inc. Date: 4/5/2024 Work Order: S2403321 Report ID: S2403321001 Project: Whirlwind Waste Rock-SPLP Dissolved Metals by ICPMS EPA 200.8-Water Sample Type MS Units: mg/L S2403321-001 BS(03/25/24 20:58) RunNo:219436 Analyte Result RL Spike Ref Samp %REC %Rec Limits Qual Lead 0.604 0.00100 0.6 0.00137 100 70-130 Molybdenum 0.610 0.0200 0.6 ND 101 70-130 Selenium 0.591 0.00500 0.6 0.0151 96.1 70-130 Silver 0.590 0.00300 0.6 ND 98.3 70-130 Thallium 0.614 0.00100 0.6 ND 102 70-130 Uranium 0.618 0.000300 0.6 0.00323 102 70-130 Vanadium 0.661 0.0200 0.6 0.0397 104 70-130 Dissolved Metals by ICPMS EPA 200.8-Water Sample Type MSD Units: mg/L S2403321-001 BMSD(03/25/24 21:04) RunNo:219436 Analyte Result RL Conc %RPD %REC %RPD Limits Qual Antimony 0.588 0.00500 0.593 0.781 97.9 20 Arsenic 0.624 0.00500 0.621 0.458 101 20 Barium 0.603 0.100 0.607 0.763 97.1 20 Cadmium 0.597 0.00100 0.595 0.258 99.5 20 Copper 0.615 0.0100 0.612 0.363 101 20 Lead 0.602 0.00100 0.604 0.346 100 20 Molybdenum 0.609 0.0200 0.610 0.107 101 20 Selenium 0.586 0.00500 0.591 0.883 95.2 20 Silver 0.589 0.00300 0.590 0.162 98.2 20 Thallium 0.588 0.00100 0.614 4.33 98.0 20 Uranium 0.608 0.000300 0.618 1.69 101 20 Vanadium 0.655 0.0200 0.661 0.908 103 20 Dissolved Metals by ICPMS EPA 200.8-Water Sample Type DUP Units: mg/L II S2403321-001 BD(03/25/24 20:52) RunNo:219436 i Analyte Result RL Ref Samp %RPD %REC %RPD Limits Qual 11 Antimony ND 0.00500 ND 20 Arsenic 0.0188 0.00500 0.0190 0.811 20 Barium ND 0.100 ND 20 Cadmium ND 0.00100 ND 20 Copper ND 0.0100 ND 20 Lead 0.00139 0.00100 0.00137 1.25 20 Molybdenum ND 0.0200 ND 20 Selenium 0.0152 0.00500 0.0151 0.622 20 Silver ND 0.00300 ND 20 Thallium ND 0.00100 ND 20 Uranium 0.00317 0.000300 0.00323 1.91 20 Vanadium 0.0406 0.0200 0.0397 2.24 20 Page 5 of 10