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www.ewdab.com Helena,UT$77472-0711 •Billings,MY 800-7354482•Casper,WY 888-235-8515 <br /> Ant,**EmebwSam 1A2 Gillette,WY 866-666-7175•Rapid City,SD 889472-1225•College Station,TX 888-690-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 07/14/14 <br /> Project: Schwartz-GW 6/25/14 S27546, S27547 Work Order: C14060931 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E300.0 Analytical Run: IC2-C_140627A <br /> Lab ID: CCV-062714-02 2 Continuing Calibration Verification Standard 06/27/14 15:20 <br /> Chloride 10.0 mg/L 1.0 100 90 110 <br /> Sulfate 40.2 mg/L 1.0 100 90 110 <br /> Method: E300.0 Batch:R188058 <br /> Lab ID: ICB 2 Method Blank Run: IC2-C 140627A 06/27/14 10:06 <br /> Chloride ND mg/L 0.01 <br /> Sulfate 0.2 mg/L 0.03 <br /> Lab ID: LFB 2 Laboratory Fortified Blank Run: IC2-C_140627A 06/27/14 10:23 <br /> Chloride 10.0 mg/L 1.0 100 90 110 <br /> Sulfate 40.9 mg/L 1.0 102 90 110 <br /> Lab ID: C14060931-001BMS 2 Sample Matrix Spike Run: IC2-C_140627A 06/27/14 16:12 <br /> Chloride 72.4 mg/L 1.0 105 90 110 <br /> Sulfate 698 mg/L 2.1 106 90 110 <br /> Lab ID: C14060931-001BMSD 2 Sample Matrix Spike Duplicate Run: IC2-C_140627A 06/27/14 16:29 <br /> Chloride 73.2 mg/L 1.0 106 90 110 1.1 20 <br /> Sulfate 701 mg/L 2.1 108 90 110 0.5 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 15 of 23 <br />