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• IN wwwsrrergylab.com Helena, MT 877 - 472 -0711 •Billings, MT 600- 735 -4489 •Caspar, VYy 888- 235 -0515 <br />Aw&" Ewstma 2= yip Gillette, WY 866 -686 -7175 • Rapid City, SD 88B- 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 />09/30/13 <br />Project: Schwartz SW 09/05/13 <br />S27131 <br />Work Order: <br />C13090222 <br />Analyte <br />Count Result Units <br />RL <br />° /6REC <br />Low Limit High Limit RPD <br />RPDLimit Qua[ <br />Method: <br />A4500 -F C <br />Analytical Run: <br />MANTECH_130909B <br />Sample ID: <br />CCV -7366 <br />Continuing Calibration Verification Standard <br />09/09/13 11:24 <br />Fluoride <br />1.04 mg /L <br />0.10 <br />104 <br />90 110 <br />Method: <br />A4500 -F C <br />Batch: R178045 <br />Sample ID: <br />MBLK <br />Method Blank <br />Run: MANTECH_130909B <br />09/09/13 08:57 <br />Fluoride <br />0.01 mg /L <br />0.005 <br />Sample ID: <br />LCS -7572 <br />Laboratory Control Sample <br />Run: MANTECH_130909B <br />09/09/13 09:04 <br />Fluoride <br />2.04 mg /L <br />0.10 <br />102 <br />90 110 <br />Sample ID: <br />C13090216- 016AMS <br />Sample Matrix Spike <br />Run. MANTECH_130909B <br />09/09/13 11:37 <br />Fluoride <br />2.67 mg /L <br />0.10 <br />99 <br />80 120 <br />Sample ID: <br />C13090216- 016AMSD <br />Sample Matrix Spike Duplicate <br />Run: MANTECH_130909B <br />09/09/13 11:40 <br />Fluoride <br />2.67 mg /L <br />0.10 <br />99 <br />80 120 0.0 <br />10 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 8 of 27 <br />