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� www.enerdab.com Helena,MST$77-472-0711 •Billings,MR 800-7354489•Casper,WY 888-235-8515 <br /> - Ass/pfes&..ft.SW.102 Gillette,WY 866-686-7175•Rapid City,SD 888-672-1225•college Station,TX 888-690-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper,WY Branch <br /> Client: Cotter Corporation Report Date: 06/17/14 <br /> Project: Schwartz GW 5/22/14 S27512, S27513 Work Order: C14050752 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E300.0 Analytical Run: IC2-C_140527A <br /> Lab ID: CCV052714-05 2 Continuing Calibration Verification Standard 05/28/14 10:30 <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: R186969 <br /> Lab ID: ICB 2 Method Blank Run: IC2-C 140527A 05/27/14 15:02 <br /> Chloride ND mg/L 0.01 <br /> Sulfate 0.07 mg/L 0.03 <br /> Lab ID: LFBO52714-01 2 Laboratory Fortified Blank Run: IC2-C_140527A 05/27/14 15:37 <br /> Chloride 10.2 mg/L 1.0 102 90 110 <br /> Sulfate 41.0 mg/L 1.0 102 90 110 <br /> Lab ID: LFBD052714-01 2 Laboratory Fortified Blank Duplicate Run: IC2-C_140527A 05/27/14 15:55 <br /> Chloride 10.1 mg/L 1.0 101 90 110 0.9 20 <br /> Sulfate 40.8 mg/L 1.0 102 90 110 0.4 20 <br /> Lab ID: C14050746-005AMS 2 Sample Matrix Spike Run: IC2-C_140527A 05/28/14 11:23 <br /> Chloride 231 mg/L 2.1 103 90 110 <br /> Sulfate 3210 mg/L 8.3 99 90 110 <br /> Lab ID: C14050746-005AMSD 2 Sample Matrix Spike Duplicate Run: IC2-C_140527A 05/28/14 11:40 <br /> Chloride 228 mg/L 2.1 102 90 110 1.1 20 <br /> Sulfate 3210 mg/L 8.3 99 90 110 0.1 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 16 of 24 <br />