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®p Trust our People.Trust our Data. Billings,MT 800.735.4489•Casper,WY 888.235.0515 <br /> www,energyiab.com Gillette,WY 886.888.7175•Helena,MT 811.412.0111 <br /> J A- I I <br /> LABORATORY ANALYTICAL REPORT <br /> Prepared by Casper,WY Branch <br /> Client: Energy Fuels Resources(USA) Inc Report Date: 07/20/20 <br /> Project: Whirlwind Mine Collection Date: 06/24/20 08:55 <br /> Lab ID: C20061176-002 DateReceived: 06/26/20 <br /> Client Sample ID: WM-1 Matrix: Aqueous <br /> MCLI <br /> Analyses Result Units Qualifiers RL QCL Method Analysis Date/By <br /> MAJOR IONS <br /> Alkalinity,Total as CaCO3 305 mg/L 5 A2320 B 06/29/20 16:01 /dmb <br /> Bicarbonate as HCO3 372 mg/L 5 A2320 B 06/29/20 16:01 /dmb <br /> Chloride 165 mg/L 1 E300.0 06/30/20 01:53/dmb <br /> Fluoride 0.3 mg/L 0.1 A4500-F C 07/02/20 11:01 /dmb <br /> Sulfate 195 mg/L D 2 E300.0 06/30/20 01:53/dmb <br /> Calcium 43 mg/L 1 E200.7 06/30/20 23.31 /jcg <br /> Magnesium 14 mg/L 1 E200.7 06/30/20 23:31 /jcg <br /> Potassium 13 mg/L 1 E200 7 06/30/20 23:31 /jcg <br /> Sodium 254 mg/L 1 E200.7 06/30/20 23:31 /jcg <br /> INORGANICS <br /> Sulfide 0.06 mg/L 0.04 A4500-S D 06/26/20 14:33/hat <br /> Sulfide as Hydrogen Sulfide(1-12S) 0.07 mg/L 0.04 A4500-S D 06/26/20 14:33/hat <br /> PHYSICAL PROPERTIES <br /> pH 7.73 s.u. H 0.01 A4500-H B 06/29/20 11:45/kjp <br /> pH Measurement Temp 9 'C A4500-H B 06/29/20 11:45/kjp <br /> Solids,Total Dissolved TDS @ 180 C 885 mg/L 10 A2540 C 06/29/20 16:38/kjp <br /> Solids,Total Suspended TSS @ 105 C 16 mg/L 1 A2540 D 06/26/20 14:45/kjp <br /> NUTRIENTS <br /> Nitrogen, Nitrate as N 0.03 mg/L 0.01 E353 2 07/09/20 09:45/atd <br /> Nitrogen, Nitrite as N ND mg/L H 0.01 A4500-NO2 B 06/26/20 15:14/hat <br /> Nitrogen, Nitrate+Nitrite as N 0.03 mg/L 0.01 E353.2 06/29/20 11:48/hat <br /> Phosphorus,Total as P ND mg/L 0.005 E365.1 07/01/20 13:59/dmb <br /> -H-sample was analyzed beyond recommended hold time due to receiving it with insufficient hold time remaining <br /> METALS, DISSOLVED <br /> Arsenic 0.026 mg/L 0.001 E200.8 07/07/20 19:09/meh <br /> Barium ND mg/L 0.05 E200.7 06/30/20 23:31 /jcg <br /> Beryllium ND mg/L 0.001 E200.7 06/30/20 23:31 /jcg <br /> Boron 0.65 mg/L 0.05 E200.7 06/30/20 23:31 /jcg <br /> Cadmium ND mg/L 0.001 E200.8 07/07/20 19:09/meh <br /> Chromium ND mg/L 0 005 E200.8 07/07/20 19:09/meh <br /> Lead ND mg/L 0 001 E200.8 07/07/20 19:09/meh <br /> Manganese 0.028 mg/L 0.001 E200.7 06/30/20 23:31 /jcg <br /> Molybdenum 0.002 mg/L 0.001 E200.8 07/09/20 03:23/meh <br /> Nickel ND mg/L 0.005 E200.8 07/07/20 19.09/meh <br /> Selenium ND mg/L 0.001 E200.8 07/07/20 19:09/meh <br /> Uranium 0.204 mg/L 0.0003 E200.8 07/09/20 03:23/meh <br /> Vanadium ND mg/L 0.01 E200.8 07/07/20 19:09/meh <br /> Zinc ND mg/L 0.01 E200.8 07/07/20 19:09/meh <br /> Report RL-Analyte Reporting Limit MCL-Maximum Contaminant Level <br /> Definitions: QCL-Quality Control Limit ND-Not detected at the Reporting Limit(RL) <br /> D-Reporting Limit(RL)increased due to sample matrix H-Analysis performed past the method holding time <br /> Page 5 of 30 <br />