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• M www.enerdab.com Helena,MT 577-472-0711 •Billings,MT B00-735-4489•Casper,WY 888-235-0515 <br /> - x roc.since 1952 Gillette,WY 866-686-7175•Rapid City,SD 888-672-1225•CDliege Station,TX 888-690-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 06/13/14 <br /> Project: Schwartz-GW 5/21/14 S27511 Work Order: C14050681 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E300.0 Analytical Run: IC2-C_140522A <br /> Lab ID: CCV052214-3 2 Continuing Calibration Verification Standard 05/22/14 21:55 <br /> Chloride 10.2 mg/L 1.0 102 90 110 <br /> Sulfate 41.0 mg/L 1.0 103 90 110 <br /> Method: E300.0 Batch:R186832 <br /> Lab ID: ICB 2 Method Blank Run: IC2-C_140522A 05/22/14 12:07 <br /> Chloride ND mg/L 0.01 <br /> Sulfate 0.09 mg/L 0.03 <br /> Lab ID: LFB 2 Laboratory Fortified Blank Run: IC2-C_140522A 05/22/14 12:25 <br /> Chloride 10.3 mg/L 1.0 103 90 110 <br /> Sulfate 41.4 mg/L 1.0 103 90 110 <br /> Lab ID: C14050656-002AMS 2 Sample Matrix Spike Run: IC2-C_140522A 05/22/14 22:50 <br /> Chloride 69.6 mg/L 1.0 103 90 110 <br /> Sulfate 231 mg/L 1.0 104 90 110 <br /> Lab ID: C14050656-002AMSD 2 Sample Matrix Spike Duplicate Run: IC2-C_140522A 05/22/14 23:08 <br /> Chloride 69.1 mg/L 1.0 101 90 110 0.7 20 <br /> Sulfate 229 mg/L 1.0 102 90 110 0.7 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 14 of 21 <br />