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" www.ecergylat,.com Helena, MT 877 - 472 -0711 a Billings, W 600- 735 -4489 • Casper, WY 888- 235 -6515 <br />q1" <br />Awly" Sr" "V Gillette, WY 866 -886 -7175 • 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 />06/04/13 <br />Project: Schwartz SW 05/10/13 S26874 & S26875 & S26926 -S269 <br />Work Order: <br />013050437 <br />Analyte Count Result Units <br />RL <br />%REC Low Limit High Limit RPD <br />RPDL[mit Qua[ <br />Method: A2540 C <br />Batch: TDS 130514A <br />Sample ID: MB- 1_130514A <br />Method Blank <br />Run: BAL -19 130514A <br />05/14/13 16:48 <br />Solids, Total Dissolved TDS @ 180 C <br />ND mg /L <br />10 <br />Sample ID: LCS- 2_130514A <br />Laboratory Control Sample <br />Run: BAL- 19_130514A <br />05/14/13 16:48 <br />Solids, Total Dissolved TDS @ 180 C <br />1980 mg /L <br />20 <br />99 90 110 <br />Sample ID: C13050337 -001A DUP <br />Sample Duplicate <br />Run: BAL- 19_130514A <br />05/14/13 16:49 <br />Solids, Total Dissolved TDS @ 180 C <br />1250 mg /L <br />10 <br />0.2 <br />5 <br />Sample ID: 013050418 -011A MS <br />Sample Matrix Spike <br />Run: BAL- 19_130514A <br />05/14/13 16:49 <br />Solids, Total Dissolved TDS @ 180 C <br />34500 mg /L <br />200 <br />94 90 110 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 13 of 40 <br />