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www.energylab.com Helena, MT 877- 472 -0711 *Billings, MT 800 -735 -4489 a Casper, WY 888 - 235 -0515 <br />V= IM Gillette, WY 866 -800 -1175 a Rapid City, SD 888 -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 />08/15/13 <br />Project: Schwartz - GW 07/17/13 <br />527048 <br />Work Order: <br />C13070703 <br />FAnallyte Count Result <br />Units <br />RL <br />° /.REC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: A2540 C <br />Batch: TDS 130722A <br />Sample ID: MB- 1_130722A <br />Method Blank <br />Run: BAL -19 130722B <br />07/22/13 16:22 <br />Solids, Total Dissolved TDS @ 180 C <br />ND <br />mg /L <br />10 <br />Sample ID: LCS- 2_130722A <br />Laboratory Control Sample <br />Run: BAL - 19_1307228 <br />07/22/13 16:24 <br />Solids, Total Dissolved TDS @ 180 C <br />1960 <br />mg /L <br />20 <br />98 90 110 <br />Sample ID: C13070698 -008A DUP <br />Sample Duplicate <br />Run: BAL- 19_130722B <br />07/22/13 17:13 <br />Solids, Total Dissolved TDS @ 180 C <br />10000 <br />mg /L <br />100 <br />0.1 <br />5 <br />Sample ID: C13070698 -009A MS <br />Sample Matrix Spike <br />Run: BAL- 19_130722B <br />07/22/13 17:14 <br />Solids, Total Dissolved TDS @ 180 C <br />23200 <br />mg /L <br />100 <br />100 90 110 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 3 of 12 <br />