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www.energylab.com ! Helena, W 877- 472 -0711 • Billings, W 800 - 735 -4489 • Casper, WY 888- 235 -0515 <br />a4*11W A._ Im l Gillette, WY 866 -606 -7175 - Rapid City, SD 886 - 672 -1225 - College Station, TX 888 - 690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 07/05/13 <br />Project: Schwartz GW 06/12/13 S27034 Work Order: C13060505 <br />FAnalyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E353.2 Analytical Run: SUB- B206820 <br />Sample ID: ICV Initial Calibration Verification Standard 06/21/13 08:01 <br />Nitrogen, Nitrate +Nitrite as N 22.1 mg /L 0.060 101 90 110 <br />Method: E353.2 <br />Batch: B R206820 <br />Sample ID: MBLK <br />Method Blank <br />Run: SUB- B206820 <br />06/21/13 08:02 <br />Nitrogen, Nitrate +Nitrite as N <br />ND mg /L <br />0.005 <br />Sample ID: LFB <br />Laboratory Fortified Blank <br />Run: SUB- B206820 <br />06/21/13 08:03 <br />Nitrogen, Nitrate +Nitrate as N <br />1.02 mg /L <br />0.010 <br />102 90 110 <br />Sample ID: 813061619- 001CMS <br />Sample Matrix Spike <br />Run SUB- B206820 <br />06/21/13 08:26 <br />Nitrogen, Nitrate +Nitrite as N <br />1.30 mg /L <br />0.010 <br />100 90 110 <br />Sample ID: B13061619- 001CMSD <br />Sample Matrix Spike Duplicate <br />Run: SUB- B206820 <br />06/21/13 08:27 <br />Nitrogen, Nitrate +Nitrite as N <br />1.31 mg /L <br />0.010 <br />100 90 110 <br />0.3 10 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 15 of 21 <br />