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- wwwenereab.com Helena, MT 871472 -0711 • Billings, MT 600- 1354468 • Casper, WY 808 -235 -0515 <br />AwWWEiaaetli MSkw 1JV f Gillette, WY 866 -606 -7115 • Rapid City, SO 888- 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: 10/22/13 <br />Project: Schwartz GW 9/23/13 S27095 Work Order: C13090867 <br />FAnalyte Count Result Units RL ° /dREC Low Limit High Limit RPD RPDLi=Qual <br />Method: E353.2 Analytical Run: SUB- B212624 <br />Sample ID: ICV Initial Calibration Verification Standard 10/02/13 08:52 <br />Nitrogen, Nitrate +Nitrite as N 22.0 mg /L 0.060 101 90 110 <br />Method: E353.2 <br />Batch: B R212624 <br />Sample ID: MBLK <br />Method Blank <br />Run: SUB- B212624 <br />10/02/13 08:54 <br />Nitrogen, Nitrate +Nitrite as N <br />ND mg /L <br />0.001 <br />Sample ID: LFB <br />Laboratory Fortified Blank <br />Run SUB - 8212624 <br />10/02/13 08:55 <br />Nitrogen, Nitrate +Nitrite as N <br />0.977 mg /L <br />0.010 <br />98 90 110 <br />Sample ID: B13092238- 008CMS <br />Sample Matrix Spike <br />Run: SUB- B212624 <br />10/02/13 09:17 <br />Nitrogen, Nitrate +Nitrite as N <br />1.39 mg /L <br />0 010 <br />100 90 110 <br />Sample ID: B13092238- 008CMSD <br />Sample Matrix Spike Duplicate <br />Run: SUB- B212624 <br />10/02/13 09:19 <br />Nitrogen, Nitrate +Nitrite as N <br />1.40 mg /L <br />0.010 <br />101 90 110 <br />1.1 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 />