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www.eoeWab.com Helena, W 877-47Z-071 T • Billings, W ODU-130-4469 • caaper, wi aWcaa-w r a <br />Ie~MxWkmSl w 1W Gillette, WY 866-686-7175 • Rapid City, SD 888-672-1225 • College Station, IX 868-610-2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 03/04/11 <br />Project: Schwartz SW02-03-11 S25602-S25608 Work Order: C11020189 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E353.2 Analytical Run: SUB-6160970 <br />Sample ID: ICV Initial Calibration Verification Standard 02/09/11 10:40 <br />Nitrogen, Nitrate+Nitrite as N 30.6 mg/L 0.20 104 90 110 <br />Method: E353.2 Batch: B_R160970 <br />Sample ID: 811020521-004CMSD Sample Matrix Spike Duplicate Run: SUB-6160970 02/09/11 12:53 <br />Nitrogen, Nitrate+Nitrite as N 1.12 mg/L 0.010 99 90 110 2.9 10 <br />Sample ID: MBLK Method Blank Run: SUB-6160970 02/09/11 10:42 <br />Nitrogen, Nitrate+Nitrite as N ND mg/L 0.10 <br />Sample ID: 611020521-004CMS Sample Matrix Spike Run: SUB-6160970 02/09/11 12:52 <br />Nitrogen, Nitrate+Nitrite as N 1.16 mg/L 0.010 102 90 110 <br />Sample ID: LFB Laboratory Fortified Blank Run: SUB-B160970 02/09/11 10:43 <br />Nitrogen, Nitrate+Nitrite as N 0.981 mg/L 0.010 100 90 110 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 23 of 37