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• www.ener#ab.com Helena, Wr 877- 472 -0711 • Billings, W 601 - 735-4486 • Casper, WY 888- 235-8515 <br />®` &dYd MEa =sores test Gillette, WY 866 -BBB -7175 • Rapid City, SD 886 -172 -1225 • College Station, rX 881410 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Energy Fuels Resources (USA) Inc Report Date: 07/14/14 <br />Project: Whirlwind Work Order: C14060765 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: A4500 -NO2 B Analytical Run: HACH DR3000- 2_140620B <br />Lab ID: CCV -3 Continuing Calibration Verification Standard 06/20/14 14:49 <br />Nitrogen, Nitrite as N 0.991 mg /L 0.20 99 90 110 <br />Method: A4500 -NO2 B <br />Batch: A2014 -06 -20 6 NO2 01 <br />Lab ID: MBLK -1 <br />Method Blank <br />Run: HACH DR3000- 2_140620B <br />06/20/14 14:49 <br />Nitrogen, Nitrite as N <br />ND mg /L <br />0.002 <br />Lab ID: LCS -2 <br />Laboratory Control Sample <br />Run: HACH DR3000- 2_1406206 <br />06/20/14 14:49 <br />Nitrogen, Nitrite as N <br />1.01 mg /L <br />0.20 <br />101 90 110 <br />Lab ID: C14060765- 001AMS <br />Sample Matrix Spike <br />Run: HACH DR3000- 2_1406208 <br />06/20/14 14:50 <br />Nitrogen, Nitrite as N <br />0.0503 mg /L <br />0.10 <br />99 90 110 <br />Lab ID: C14060765- 001AMSD <br />Sample Matrix Spike Duplicate <br />Run: HACH DR3000- 2_1406208 <br />06120/14 14:50 <br />Nitrogen, Nitrite as N <br />0.0503 mg /L <br />0.10 <br />99 90 110 <br />10 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 18 of 31 <br />