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W= www.energylab.can Helena, MY 817-472-0711 • Billings, MY 800-735-4489 • Casper, WY 888-235-1515 <br />• AoryltWa87ea 1W <br />J Gillette, WY 866-686-7175 • Rapid City, So 888-672-1225 • College Station, TX 888-691-2218 <br />QA/QC Summary Report <br />Client: Cotter Corporation Report Date: 11/22/10 <br />Project: Schwartzwalder Water Monitoring Program SW Work Order: C10100592 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E353.2 Batch: B R155975 <br />Sample ID: MBLK Method Blank Run: SUB-B155975 10/22/10 08:25 <br />Nitrogen, Nitrate+Nitrite as N ND mg/L 0.004 <br />Sample ID: LFB Laboratory Fortified Blank Run: SUB-B155975 10/22/10 08:26 <br />Nitrogen, Nitrate+Nitrite as N 0.998 mg/L 0.010 102 90 110 <br />Sample ID: B10101600-001GMS Sample Matrix Spike Run: SUB-B155975 10/22/10 12:13 <br />Nitrogen, Nitrate+Nitrite as N 1.03 mg/L 0.010 100 90 110 <br />Sample ID: 810101600-001GMSD Sample Matrix Spike Duplicate Run: SUB-B155975 10/22/10 12:14 <br />Nitrogen, Nitrate+Nitrite as N 1.06 mg/L 0.010 103 90 110 2.7 10 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 25 of 36