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�- www.energylab.com Helena, MT 677- 472 -0711 - Billings, MT 000 -735 -4489 - Casper, WY 888- 235 -0515 <br />Ane4*WExceMeaceSince 1952 l Gillette, WY 866 -686 -7175 - Rapid city, 5D 888 -672 -1225 - College Station, TX 888 -690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Energy Fuels Resources (USA) Inc Report Date: 07/19/13 <br />Project: Whirlwind Work Order: C13060666 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: A4500 -NO2 B Analytical Run: HACH DR3000- 2_130619C <br />Sample ID: CCV -3 Continuing Calibration Verification Standard 06/19/13 12.51 <br />Nitrogen, Nitrite as N 0.995 mg /L 0.20 99 90 110 <br />Method: A4500 -NO2 B <br />Sample ID: MBLK -1 <br />Nitrogen, Nitrite as N <br />Sample ID: LCS -2 <br />Nitrogen, Nitrite as N <br />Sample ID: C13060666- 001AMS <br />Nitrogen, Nitrite as N <br />Sample ID: C13060666- 001AMSD <br />Nitrogen, Nitrite as N <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Method Blank <br />ND mg /L <br />Laboratory Control Sample <br />0.986 mg /L <br />Sample Matrix Spike <br />0.0590 mg /L <br />Sample Matrix Spike Duplicate <br />0.0570 mg /L <br />Batch: A2013 -06 -19 6 NO2 02 <br />Run. HACH DR3000- 2_130619C 06/19/13 12:51 <br />0.005 <br />Run: HACH DR3000 -2 130619C 06/19/13 12:51 <br />0.20 99 90 110 <br />Run: HACH DR3000 -2 130619C 06/19/13 1254 <br />0.10 109 90 110 <br />Run: HACH DR3000 -2 130619C 06/19/13 12:54 <br />0.10 105 90 110 10 <br />ND - Not detected at the reporting limit. <br />Page 12 of 24 <br />