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• www eneWab com Helena,MT 877-472-0711 •Billings,MT 800-735-4409•Casper,WY 888-235-0515 <br /> f AmftWEMP&MXW 1la2 Gillette,WY 866-686-7175•Rapid City,SD 886-672-1225•College Station,TX 888-690-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 07/29/14 <br /> Project: Schwartz-GW 07/03/14 S27602 Work Order: C14070210 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E200.8 Analytical Run: ICPMS2-C_140711 B <br /> Lab ID: ICV Initial Calibration Verification Standard 07/11/14 11:02 <br /> Arsenic 0.0503 mg/L 0.0010 101 90 110 <br /> Method: E200.8 Batch: R188516 <br /> Lab ID: LRB Method Blank Run: ICPMS2-C 140711 B 07/11/14 11:41 <br /> Arsenic ND mg/L 0.00010 <br /> Lab ID: LFB Laboratory Fortified Blank Run: ICPMS2-C_140711B 07/11/14 11:44 <br /> Arsenic 0.0556 mg/L 0.0010 111 85 115 <br /> Lab ID: C14070210-001BMS4 Sample Matrix Spike Run: ICPMS2-C_140711 B 07/11/14 17:39 <br /> Arsenic 0.278 mg/L 0.0010 106 70 130 <br /> Lab ID: C14070210-001BMSD Sample Matrix Spike Duplicate Run: ICPMS2-C_140711B 07/11/14 17:41 <br /> Arsenic 0.275 mg/L 0.0010 105 70 130 0.8 20 <br /> Method: E200.8 Analytical Run: ICPMS4-C_140710A <br /> Lab ID: ICV 2 Initial Calibration Verification Standard 07/10/14 16:29 <br /> Arsenic 0.0494 mg/L 0.0010 99 90 110 <br /> Barium 0.0482 mg/L 0.0010 96 90 110 <br /> Method: E200.8 Batch:41896 <br /> Lab ID: MB-41896 2 Method Blank Run: ICPMS4-C 140710A 07/10/14 19:04 <br /> Arsenic ND mg/L 0.0004 <br /> Barium ND mg/L 4E-05 <br /> Lab ID: LCS3-41896 2 Laboratory Control Sample Run: ICPMS4-C_140710A 07/10/14 19:08 <br /> Arsenic 0.502 mg/L 0.0010 100 85 115 <br /> Barium 0.508 mg/L 0.050 102 85 115 <br /> Lab ID: C14070230-002CMS3 2 Sample Matrix Spike Run: ICPMS4-C_140710A 07/10/14 20:26 <br /> Arsenic 0.495 mg/L 0.0010 99 70 130 <br /> Barium 0.530 mg/L 0.050 104 70 130 <br /> Lab ID: C14070230-002CMSD 2 Sample Matrix Spike Duplicate Run: ICPMS4-C_140710A 07/10/14 20:30 <br /> Arsenic 0.500 mg/L 0.0010 100 70 130 1.1 20 <br /> Barium 0.512 mg/L 0.050 100 70 130 3.3 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 8of14 <br />