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■ �^ wwwtnergylab.com Helena, MT 877-472 -0711 • Billings, W 800-735.4489 • Casper, WY 888- 235 -0515 <br />Ae ry71c,�Ere dl aarsmc. y832 Gillette, WY 866- 686 -7175 • Rapid City, SO 688 -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: 05/01/13 <br />Project: Schwartz SW 4/03/13 S26861 <br />Work Order: C13040193 <br />Analyte Count Result Units <br />RL <br />%REC Low Limit High Limit <br />RPD RPDLimit Qual <br />Method: A2540 C <br />Batch: TDS 130408A <br />Sample ID: MB- 1_130408A <br />Method Blank <br />Run: BAL- 19_130408B <br />04/08/13 15:33 <br />Solids, Total Dissolved TDS @ 180 C <br />ND mg /L <br />10 <br />Sample ID: LCS- 2_130408A <br />Laboratory Control Sample <br />Run: BAL- 19_130408B <br />04/08/13 15:33 <br />Solids, Total Dissolved TDS @ 180 C <br />2000 mg /L <br />20 <br />100 90 110 <br />Sample ID: C13040191 -001A MS <br />Sample Matrix Spike <br />Run: BAL- 19_130408B <br />04/08/13 15:42 <br />Solids, Total Dissolved TDS @ 180 C <br />1300 mg /L <br />11 <br />99 90 110 <br />Sample ID: C13040244 -001A DUP <br />Sample Duplicate <br />Run: BAL- 19_130408B <br />04/08/13 15:45 <br />Solids, Total Dissolved TDS @ 180 C <br />11800 mg /L <br />100 <br />0.2 5 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 6 of 25 <br />