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• www.energylab.com Helena, MT 677- 472 -0711 a Billings, W 600- 735 -4469 • Casper, WY 818- 235 -1515 <br />A" WEwjhmvSkw1JU Gillette, WY 666 -696 -7175 • Rapid City, SO 666 -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: 12/03/13 <br />Project: Schwartz SW 11/06/13 S27254 Work Order: 01 31 1 0376 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E353.2 Analytical Run: SUB- B215039 <br />Sample ID: ICV Initial Calibration Verification Standard 11/14/13 10:07 <br />Nitrogen, Nitrate +Nitrite as N 21.8 mg /L 0.060 100 90 110 <br />Method: E353.2 <br />Sample ID: MBLK <br />Method Blank <br />Run: SUB- B215039 <br />Nitrogen, Nitrate +Nitrite as N <br />0.003 mg /L <br />0.001 <br />Sample ID: LFB <br />Laboratory Fortified Blank <br />Run: SUB - 6215039 <br />Nitrogen, Nitrate +Nitrite as N <br />0.993 mg /L <br />0.010 <br />99 90 110 <br />Sample ID: B13111006- 005CMS <br />Sample Matrix Spike <br />Run: SUB- B215039 <br />Nitrogen, Nitrate +Nitrite as N <br />0.994 mg /L <br />0.010 <br />99 90 110 <br />Sample ID: B13111006- 005CMSD <br />Sample Matrix Spike Duplicate <br />Run: SUB- B215039 <br />Nitrogen, Nitrate +Nitrite as N <br />0.996 mg /L <br />0.010 <br />99 90 110 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />0.2 <br />Batch: B R215039 <br />11/14/13 10:08 <br />11/14/13 10:09 <br />11/14/13 10:32 <br />11/14/13 10:33 <br />10 <br />Page 17 of 24 <br />