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www.enefgylab.com Helena, MT 877- 472 -0711 • Billings, W 600 -735 -4489 • Casper, WY 888- 235 -0515 <br />Gillette, WY 866 -686 -7175 • Rapid City, SG 886 -672 -1225 • College Station, TX 888 -690 -1218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz SW 11/6/13 S27253 S27255 S27256 <br />Analyte Count Result Units <br />Method: A2540 C <br />12/10/13 <br />Sample ID: MB- 1_131108A <br />Method Blank <br />Solids, Total Dissolved TDS @ 180 C <br />ND mg /L <br />Sample ID: LCS- 2_131108A <br />Laboratory Control Sample <br />Solids, Total Dissolved TDS @ 180 C <br />1970 mg /L <br />Sample ID: C13110293 -001A DUP <br />Sample Duplicate <br />Solids, Total Dissolved TDS @ 180 C <br />310 mg /L <br />Sample ID: C13110305 -001A MS <br />Sample Matrix Spike <br />Solids, Total Dissolved TDS @ 180 C <br />1280 mg /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 8 of 30 <br />Report Date: <br />12/10/13 <br />Work Order: <br />C13110305 <br />RL <br />%REC Low Limit High Limit RPD <br />RPDLimit Qual <br />Batch: TDS 131108A <br />Run: BAL -19 131108B <br />11/08/13 15:18 <br />10 <br />Run: BAL- 19_131108B <br />11/08/13 15:18 <br />20 <br />98 90 110 <br />Run: BAL- 19_131108B <br />11/08/13 15:43 <br />10 <br />2.0 <br />5 <br />Run: BAL- 19_131108B <br />11/08/13 15:44 <br />11 <br />99 90 110 <br />ND - Not detected at the reporting limit. <br />Page 8 of 30 <br />