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wwwtnewe6.com <br />F?at?&rra:Stxi 1Yl1 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />• Billings MT 600.735-4489 • Casper, WY $80-235-0515 <br />+y, SDA18472-1225 • Collage Station, TX 888-690-2218 <br />Client: Cotter Corporation Report Date: 04/20/11 <br />Project: Schwartz-SW 3/22/11 S25636-S25643 Work Order: C11030702 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E353.2 Analytical Run: SUB-B163075 <br />Sample ID: ICV Initial Calibration Verification Standard 03/25/11 07:10 <br />Nitrogen, Nitrate+Nitrite as N 22.8 mg/L 0,060 105 90 110 <br />Method: E353.2 <br />Sample ID: LFB <br />Nitrogen, Nitrate+Nitrite as N <br />Sample ID: MBLK <br />Nitrogen, Nitrate+Nitrite as N <br />Sample ID: 1311032036-002DMS <br />Nitrogen, Nitrate+Nitrite as N <br />Sample ID: B11032036-002DMSD <br />Nitrogen, Nitrate+Nitrite as N <br />Laboratory Fortified Blank <br />1.02 mg/L <br />Method Blank <br />ND mg/L <br />Sample Matrix Spike <br />1.83 mg/L <br />Sample Matrix Spike Duplicate <br />1.83 mg/L <br />Run: SUB-B163075 <br />0.010 104 90 110 <br />Run: SUB-B163075 <br />0.004 <br />Run: SUB-B163075 <br />0.010 107 90 110 <br />Run: SUB-B163075 <br />0.010 107 90 110 <br />Batch: B R163075 <br />03/25/11 07:13 <br />03/25/11 07:12 <br />03/25/11 11:43 <br />03/25/11 11:44 <br />0.2 10 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 23 of 38 <br />