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- www.emz4ab.com f Helena, MT 817 -472 -0711 • Billings, MT 600- 735 -4469 • Casper, WY 888- 235 -0515 <br />fiul�l <br />A'tM Gillette, WY 866 -686 -7175 • Rapid City, SD 866- 672 -1225 • College Station, TX 888 -680 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Report Date: <br />08/20/13 <br />Project: Schwartz GW 07/17/13 <br />S27046 - S27047 <br />Work Order: <br />C13070682 <br />Analyte <br />Count Result Units <br />RL <br />° /oREC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: A2320 B <br />Batch: R176054 <br />Sample ID: MBLK <br />2 Method Blank <br />Run: MANTECH_130718B <br />07/18/13 15:39 <br />Alkalinity, Total as CaCO3 <br />ND mg /L <br />2 <br />Bicarbonate as HCO3 <br />ND mg /L <br />1 <br />Sample ID: LCS_130618 <br />Laboratory Control Sample <br />Run: MANTECH_130718B <br />07/18/13 15:54 <br />Alkalinity, Total as CaCO3 <br />255 mg /L <br />5.0 <br />102 90 110 <br />Sample ID: C13070671- 002AMS <br />Sample Matrix Spike <br />Run: MANTECH_130718B <br />07/18/13 16:39 <br />Alkalinity, Total as CaCO3 <br />1130 mg /L <br />5.0 <br />103 80 120 <br />Sample ID: C13070682- 001BDUP <br />2 Sample Duplicate <br />Run. MANTECH_130718B <br />07/18/13 18:07 <br />Alkalinity, Total as CaCO3 <br />148 mg /L <br />5.0 <br />0.7 <br />10 <br />Bicarbonate as HCO3 <br />180 mg /L <br />50 <br />0.7 <br />10 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 7 of 24 <br />