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• www.ener&b.con <br />s 77 2-0711 • Billings, MT 809-735-4159 • Casper, WY888 235-x515 <br />A@*"Ecahm'sk" Im ? ;R d Uy, so 818-672-1225 • College Station, iX 888=650-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, W Y Branch <br />Client: Cotter Corporation Report Date: 03/24/11 <br />Project: Schwartz GW 3/04/11 S25660 Work Order: C11030181 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E353.2 Analytical Run: SUB-6162374 <br />Sample ID: ICV Initial Calibration Verification Standard 03/11/11 12:02 <br />Nitrogen, Nitrate+Nitrite as N 30.7 mg/L 0.20 104 90 110 <br />Method: E353.2 Batch: B_R162374 <br />Sample ID: B11030723-003CMSD Sample Matrix Spike Duplicate Run: SUB-6162374 03/11/11 13:07 <br />Nitrogen, Nitrate+Nitrite as N 1.08 mg/L 0.010 99 90 110 0.4 10 <br />Sample ID: B11030723-003CMS Sample Matrix Spike Run: SUB-6162374 03/11/11 13:06 <br />Nitrogen, Nitrate+Nitrite as N 1.08 mg/L 0.010 100 90 110 <br />Sample ID: LFB Laboratory Fortified Blank Run: SUB-13162374 03/11/11 12:05 <br />Nitrogen, Nitrate+Nitrite as N 1.06 mg/L 0.010 107 90 110 <br />Sample ID: MBLK Method Blank Run: SUB-6162374 03/11/11 12:04 <br />Nitrogen, Nitrate+Nitrite as N ND mg/L 0.10 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 13 of 20 <br />.........................