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T www.owoiab.com ( Helena, W 817- 472 -0711 • Billings, W 800- 735 -4489 • Casper, WY 888 -235 -0515 <br />Since IM J Gillette, wy 066 -686 -7115 0 Rapid City, SO 886 -672 -1225 • College Station, TX 888 - 690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Report Date: <br />07/08/13 <br />Project: Schwartz SW 6/5/2013 S26940 <br />Work Order: <br />C13060211 <br />Analyte <br />Count Result Units <br />RL <br />0/J9EC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: A2320 B <br />Batch: R174544 <br />Sample ID: MBLK <br />2 Method Blank <br />Run: MANTECH_130607B <br />06/07/13 15:25 <br />Alkalinity, Total as CaCO3 <br />ND mg /L <br />2 <br />Bicarbonate as HCO3 <br />1 mg /L <br />1 <br />Sample ID: LCS_130315 <br />Laboratory Control Sample <br />Run- MANTECH_130607B <br />06/07/13 15:40 <br />Alkalinity, Total as CaCO3 <br />256 mg /L <br />5.0 <br />103 90 110 <br />Sample ID: C13050703- 01OBDUP <br />2 Sample Duplicate <br />Run: MANTECH_130607B <br />06/07/13 15:55 <br />Alkalinity, Total as CaCO3 <br />111 mg /L <br />5.0 <br />0.5 <br />10 <br />Bicarbonate as HCO3 <br />136 mg /L <br />5.0 <br />0.5 <br />10 <br />Sample ID: C13060211- 001AMS <br />Sample Matrix Spike <br />Run: MANTECH_130607B <br />06/07/13 16:10 <br />Alkalinity, Total as CaCO3 <br />302 mg /L <br />5.0 <br />101 80 120 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit <br />MDC - Minimum detectable concentration <br />Page 5 of 27 <br />