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gooc Trust our People.Trust our Data. Billings,MT 800.735.4489•Casper,WY 888.235.0515 <br /> �• Gillette,WY 866.686.7175•Helena,MT 877.472.0711 <br /> LABORATORY ANALYTICAL REPORT <br /> Prepared by Casper, WY Branch <br /> Client: Energy Fuels Resources (USA) Inc Report Date: 07/11/17 <br /> Project: Whirlwind Mine Collection Date: 06/07/17 10:00 <br /> Lab ID: C17060348-002 DateReceived: 06/09/17 <br /> Client Sample ID: Bear Spring Matrix: Aqueous <br /> MCL/ <br /> Analyses Result Units Qualifiers RL QCL Method Analysis Date/By <br /> MAJOR IONS <br /> Alkalinity,Total as CaCO3 233 mg/L 5 A2320 B 06/12/17 14 49/mvr <br /> Bicarbonate as HCO3 284 mg/L 5 A2320 B 06/12/17 14.49/mvr <br /> Chloride 14 mg/L 1 E300 0 06/15/17 23.03/Icg <br /> Fluoride 0.3 mg/L 0.1 A4500-F C 06/12/17 09*04/mvr <br /> Sulfate 36 mg/L 1 E300.0 06/15/17 23 03/Icg <br /> Calcium 84 mg/L 1 E200.7 06/14/17 19:53/eli-b <br /> Magnesium 9 mg/L 1 E200 7 06/14/17 19:53/eli-b <br /> Potassium 1 mg/L 1 E200.7 06/14/17 19 53/eli-b <br /> Sodium 18 mg/L 1 E200.7 06/14/17 19:53/eli-b <br /> INORGANICS <br /> Sulfide 1 mg/L 1 A4500-S F 06/13/17 14:45/eli-b <br /> PHYSICAL PROPERTIES <br /> pH 7.75 s.0 H 0.01 A4500-H B 06/12/17 10:05/mvr <br /> Solids,Total Dissolved TDS @ 180 C 315 mg/L 10 A2540 C 06/13/17 17:56/mvr <br /> Solids,Total Suspended TSS @ 105 C 13 mg/L 1 A2540 D 06/09/17 16:07/mvr <br /> Calcium,meq 4.19 meq/L 0.05 E200.7 06/14/17 19:53/eli-b <br /> Magnesium,meq 074 meq/L 0.08 E200 7 06/14/17 19:53/eli-b <br /> Sodium, meq 079 meq/L 0.04 E200 7 06/14/17 19:53/eli-b <br /> Sodium Adsorption Ratio(SAR) 0.5 unitless 0.1 USDA20B 06/14/17 19,53/sec <br /> NUTRIENTS <br /> Nitrogen, Nitrate as N 0.34 mg/L 001 E353 2 06/18/17 14:49/sec <br /> Nitrogen, Nitrite as N ND mg/L H 001 A4500-NC2 B 06/09/17 14 54/bah <br /> Nitrogen, Nitrate+Nitrite as N 034 mg/L 001 E353 2 06/13/17 17.06/III <br /> Phosphorus,Total as P 0.015 mg/L 0.005 E365.1 06/14/17 14:56/eli-b <br /> -The sample was received past the EPA-recommended holding time for Nitrite <br /> METALS, DISSOLVED <br /> Arsenic 0.005 mg/L 0 001 E200.8 06/15/17 22.20/eli-b <br /> Barium ND mg/L 01 E200.7 06/14/17 19:53/eli-b <br /> Beryllium ND mg/L 001 E200 7 06/14/17 19:53/eli-b <br /> Boron ND mg/L 0.1 E200 7 06/14/17 19.53/eli-b <br /> Cadmium ND mg/L 0.01 E200 7 06/14/17 19:53/eli-b <br /> Chromium ND mg/L 0.05 E200 7 06/14/17 19.53/eli-b <br /> Lead ND mg/L 005 E200.7 06/14/17 19:53/eh-b <br /> Manganese ND mg/L 0.01 E200 7 06/14/17 19-53/eli-b <br /> Molybdenum ND mg/L 0.1 E200 7 06/14/17 19.53/eli-b <br /> Nickel ND mg/L 0.05 E200 7 06/14/17 19:53/eli-b <br /> Selenium 0.002 mg/L 0.001 E200 8 06/15/17 22:20/eli-b <br /> Uranium 00013 mg/L 0.0003 E200.8 06/15/17 22:20/eli-b <br /> Vanadium ND mg/L 01 E200.7 06/14/17 19:53/eli-b <br /> Zinc ND mg/L 0.01 E200 7 06/14/17 19 53/eli-b <br /> Report RL-Analyte reporting limit. MCL-Maximum contaminant level. <br /> Definitions: QCL-Quality control limit. ND-Not detected at the reporting limit <br /> H-Analysis performed past recommended holding time. <br /> Page 5 of 29 <br />