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- www•emulab.com � Helena, MT 877- 472 -0711 • Billings, MT 800- 735 -4489 • Casper, WY 888- 235 -0515 <br />°rat Gillette, WY 866 -686 -1175 • Rapid City, SO 886- 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 />06/13/13 <br />Project: Schwartz GW 5/20/13 S26987 & S26988 <br />Work Order: <br />C13050760 <br />FAnalyte <br />Count Result Units <br />RL <br />° /.REC <br />Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: <br />E300.0 <br />Batch R173986 <br />Sample ID: <br />ICB- 052213 <br />2 <br />Method Blank <br />Run. IC2 -C 130522A <br />05/22/13 13.59 <br />Chloride <br />ND mg /L <br />0.03 <br />Sulfate <br />0.08 mg /L <br />0.07 <br />Sample ID: <br />LFB- 052213 -01 <br />2 <br />Laboratory Fortified Blank <br />Run: IC2- C_130522A <br />05/22/13 14:30 <br />Chloride <br />10.1 mg /L <br />1.0 <br />101 <br />90 110 <br />Sulfate <br />40.0 mg /L <br />1.0 <br />100 <br />90 110 <br />Sample ID: <br />LFBD - 052213 <br />2 <br />Laboratory Fortified Blank Duplicate <br />Run: IC2- C_130522A <br />05/22/13 14:45 <br />Chloride <br />10.1 mg /L <br />1.0 <br />101 <br />90 110 0.3 <br />20 <br />Sulfate <br />40.6 mg /L <br />1.0 <br />101 <br />90 110 1.5 <br />20 <br />Sample ID: <br />C13050760- 001BMS <br />2 <br />Sample Matrix Spike <br />Run: IC2- C_130522A <br />05/22/13 19:23 <br />Chloride <br />71.2 mg /L <br />1.0 <br />101 <br />90 110 <br />Sulfate <br />899 mg /L <br />4.2 <br />106 <br />90 110 <br />Sample lD: <br />C13050760 -001 BMSD <br />2 <br />Sample Matrix Spike Duplicate <br />Run: IC2- C_130522A <br />05/22/13 19:38 <br />Chloride <br />71.6 mg /L <br />1.0 <br />101 <br />90 110 0.5 <br />20 <br />Sulfate <br />897 mg /L <br />4.2 <br />105 <br />90 110 0.2 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 16 of 24 <br />