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• www.energylab.com Helena, W 877- 472 -0711 • Billings, MT 800 -735 -4489 • Casper, WY 888 -235 -0515 <br />- Aedrtlra►EreaA4rwarsatec. il51 Gillette, WY 866 -686 -7175 a Rapid City, SO 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: 07/12/13 <br />Project: Schwartz GW 6/18/13 S27005 Work Order: C13060672 <br />Analyte Count Result Units RL 0/J9EC Low Limit High Limit RPD RPDLimit Qual <br />Method: E353.2 Analytical Run: SUB- B206939 <br />Sample ID: ICV Initial Calibration Verification Standard 06/24/13 09:42 <br />Nitrogen, Nitrate +Nitrite as N 22.2 mg /L 0.060 102 90 110 <br />Method: E353.2 <br />Sample ID: MBLK <br />Method Blank <br />Nitrogen, Nitrate +Nitrite as N <br />ND mg /L <br />Sample ID: LFB <br />Laboratory Fortified Blank <br />Nitrogen, Nitrate +Nitrite as N <br />1.02 mg /L <br />Sample ID: B13061784- 005DMS <br />Sample Matrix Spike <br />Nitrogen, Nitrate +Nitrite as N <br />1.85 mg /L <br />Sample ID: B13061784- 005DMSD <br />Sample Matrix Spike Duplicate <br />Nitrogen, Nitrate +Nitrite as N <br />1.86 mg /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Run: SUB- B206939 <br />0.005 <br />Run: SUB- B206939 <br />0.010 102 90 110 <br />Run: SUB- B206939 <br />0.010 105 90 110 <br />Run: SUB- B206939 <br />0.010 106 90 110 <br />ND - Not detected at the reporting limit. <br />Batch- B R206939 <br />06/24/13 09:44 <br />06/24/13 09:45 <br />06/24/13 10:41 <br />06/24/13 10:42 <br />0.5 10 <br />Page 16 of 22 <br />