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• - www.energylabtom _ Helena, MT 817 -472 -0711 •Billings, MT 600 - 135 -4489 •Casper, WY 888 - 235 -6515 <br />Ae&Y"Eae,AkaaSku ras8 Gillette, WY 866 -686 -7175 • Rapid City, SD 866 -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: 12/10/13 <br />Project: Schwartz SW 11/6/13 S27253 S27255 S27256 Work Order: C13110305 <br />Analyte Count Result Units RL 0/J9EC 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 />Nitrogen, Nitrate +Nitrite as N <br />0.003 mg /L <br />Sample ID: LFB <br />Laboratory Fortified Blank <br />Nitrogen, Nitrate +Nitrite as N <br />0.993 mg /L <br />Sample ID: 813111006- 005CMS <br />Sample Matrix Spike <br />Nitrogen, Nitrate +Nitrite as N <br />0.994 mg /L <br />Sample ID: 813111006- 005CMSD <br />Sample Matrix Spike Duplicate <br />Nitrogen, Nitrate +Nitrite as N <br />0.996 mg /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Run: SUB - 6215039 <br />0.001 <br />Run: SUB- B215039 <br />0.010 99 90 110 <br />Run: SUB - 6215039 <br />0.010 99 90 110 <br />Run: SUB- B215039 <br />0.010 99 90 110 <br />ND - Not detected at the reporting limit. <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 />0.2 10 <br />Page 21 of 30 <br />