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• www.enerulab.com Helena,MT 877-472-0711 •Billings,MT 800-735-4489•Casper,WY 888-235-0515 <br /> - sma1952 Gillette,WY 866-686-7175•Rapid City,SO$86-672-1225•College Station,TX 888-690-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 05/21/14 <br /> Project: Schwartz-SW 5/1/14 S27466 Work Order: C14050047 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> i <br /> Method: E300.0 Analytical Run: IC1-C_140505A <br /> Lab ID: CCV-050514-04 2 Continuing Calibration Verification Standard 05/06/14 01:42 <br /> Chloride 9.60 mg/L 1.0 96 90 110 <br /> Sulfate 39.1 mg/L 1.0 98 90 110 <br /> Method: E300.0 Batch: R186245 <br /> Lab ID: ICB 2 Method Blank Run: IC1-C 140505A 05/05/14 10:22 <br /> Chloride ND mg/L 0.04 <br /> Sulfate 0.2 mg/L 0.1 <br /> Lab ID: LFB-050514-01 2 Laboratory Fortified Blank Run: IC1-C_140505A 05/05/14 10:40 <br /> Chloride 9.90 mg/L 1.0 99 90 110 <br /> Sulfate 40.3 mg/L 1.0 100 90 110 <br /> Lab ID: C14050021-023AMS 2 Sample Matrix Spike Run: IC1-C_140505A 05/06/14 02:38 <br /> Chloride 230 mg/L 1.0 100 90 110 <br /> Sulfate 980 mg/L 2.1 97 90 110 <br /> Lab ID: C14050021-023AMSD 2 Sample Matrix Spike Duplicate Run: IC1-C_140505A 05/06/14 02:56 <br /> Chloride 235 mg/L 1.0 111 90 110 2.3 20 S <br /> Sulfate 1000 mg/L 2.1 108 90 110 2.2 20 <br /> -Matrix spike recoveries outside the acceptance range are considered matrix-related. <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration S-Spike recovery outside of advisory limits. <br /> Page 19 of 27 <br />