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• �� www.ewgylab.com Helena,Wr 877-472-0711 •Billings,MY 800-735-4488•Casper,WY 888-235-0515 <br /> - Ae**WEwdawe Sbu 1952 Gillette,WY 866-666-7175•Rapid City,SD 889472-1225•College Station,TX OWOOD-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 04/28/14 <br /> Project: Schwartz GW 04/09/14 S27455, S27457 Work Order: C14040376 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Gual <br /> Method: E300.0 Analytical Run: ICI-C_140414A <br /> Lab ID: CCV-041414-01 2 Continuing Calibration Verification Standard 04/14/14 12:05 <br /> Chloride 10.2 mg/L 1.0 102 90 110 <br /> Sulfate 40.9 mg/L 1.0 102 90 110 <br /> Method: E300.0 Batch: R185467 <br /> Lab ID: ICB 2 Method Blank Run: IC1-C 140414A 04/14/14 11:28 <br /> Chloride ND mg/L 0.04 <br /> Sulfate 0.2 mg/L 0.1 <br /> Lab ID: LFB-041414-01 2 Laboratory Fortified Blank Run: ICI-C_140414A 04/14/14 11:47 <br /> Chloride 10.4 mg/L 1.0 104 90 110 <br /> Sulfate 41.6 mg/L 1.0 104 90 110 <br /> Lab ID: C14040419-001AMS 2 Sample Matrix Spike Run: IC1-C_140414A 04/14/14 12:42 <br /> Chloride 52.0 mg/L 1.0 90 110 A <br /> Sulfate 57.7 mg/L 1.0 109 90 110 <br /> Lab ID: C14040419-001AMSD 2 Sample Matrix Spike Duplicate Run: IC1-C_140414A 04/14/14 13:00 <br /> Chloride 52.2 mg/L 1.0 90 110 0.3 20 A <br /> Sulfate 58.7 mg/L 1.0 112 90 110 1.7 20 S <br /> -Matrix spike recoveries outside the acceptance range are considered matrix-related. <br /> Method: E300.0 Analytical Run: IC2-C_1 40411 A <br /> Lab ID: CCV-041114-02 2 Continuing Calibration Verification Standard 04/11/14 14:19 <br /> Chloride 9.79 mg/L 1.0 98 90 110 <br /> Sulfate 39.4 mg/L 1.0 98 90 110 <br /> Method: E300.0 Batch: R185393 <br /> Lab ID: ICB 2 Method Blank Run: IC2-C 140411A 04/11/14 09:58 <br /> Chloride 0.07 mg/L 0.04 <br /> Sulfate 0.09 mg/L 0.04 <br /> Lab ID: LFB 2 Laboratory Fortified Blank Run: IC2-C_140411A 04/11/14 10:16 <br /> Chloride 9.93 mg/L 1.0 99 90 110 <br /> Sulfate 39.7 mg/L 1.0 99 90 110 <br /> Lab ID: C14040365-003BMS 2 Sample Matrix Spike Run: IC2-C_1 40411 A 04/11/14 15:12 <br /> Chloride 13.8 mg/L 1.0 99 90 110 <br /> Sulfate 157 mg/L 1.0 95 90 110 <br /> Lab ID: C14040365-003BMSD 2 Sample Matrix Spike Duplicate Run: IC2-C_140411A 04/11/14 15:29 <br /> Chloride 14.4 mg/L 1.0 105 90 110 4.1 20 <br /> Sulfate 160 mg/L 1.0 100 90 110 1.4 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. A-The analyte level was greater than four times the spike level. In <br /> accordance with the method%recovery is not calculated. <br /> ND-Not detected at the reporting limit. MDC-Minimum detectable concentration <br /> S-Spike recovery outside of advisory limits. <br /> Page 17 of 26 <br />