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• www.ewdeb.com Helena,W 877-472-0711 •Billings,MT 800-735-4482•Casper,WY 888-235-0515 <br /> "1-112 Gillette,WY 866-686-7175•Rapid City,SD 886-672-1225•College Station,T%888-690-2218 <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 Qual <br /> Method: E200.8 Analytical Run: ICPMS2-C_140424A <br /> Lab ID: ICV 3 Initial Calibration Verification Standard 04/24/14 14:12 <br /> Copper 0.0500 mg/L 0.0010 100 90 110 <br /> Molybdenum 0.0504 mg/L 0.0010 101 90 110 <br /> Thallium 0.0502 mg/L 0.0010 100 90 110 <br /> Method: E200.8 Batch: R185857 <br /> Lab ID: LRB 3 Method Blank Run: ICPMS2-C 140424A 04/24/14 14:48 <br /> Copper ND mg/L 0.0001 <br /> Molybdenum ND mg/L 4E-05 <br /> Thallium ND mg/L 9E-06 <br /> Lab ID: LFB-filtered 3 Laboratory Fortified Blank Run: ICPMS2-C_140424A 04/24/14 15:04 <br /> Copper 0.0519 mg/L 0.0010 104 85 115 <br /> Molybdenum 0.0509 mg/L 0.0010 102 85 115 <br /> Thallium 0.0486 mg/L 0.0010 97 85 115 <br /> Lab ID: C14040301-008BMS4 3 Sample Matrix Spike Run: ICPMS2-C_140424A 04/24/14 22:50 <br /> Copper 0.0481 mg/L 0.0050 94 70 130 <br /> Molybdenum 0.0517 mg/L 0.0010 101 70 130 <br /> Thallium 0.0500 mg/L 0.00050 100 70 130 <br /> Lab ID: C14040301-008BMSD 3 Sample Matrix Spike Duplicate Run: ICPMS2-C_140424A 04/24/14 22:54 <br /> Copper 0.0488 mg/L 0.0050 96 70 130 1.5 20 <br /> Molybdenum 0.0521 mg/L 0.0010 101 70 130 0.9 20 <br /> Thallium 0.0504 mg/L 0.00050 101 70 130 0.7 20 <br /> Method: E200.8 Analytical Run: ICPMS2-C_140425A <br /> Lab ID: ICV Initial Calibration Verification Standard 04/25/14 14:53 <br /> Antimony 0.0529 mg/L 0.0010 106 90 110 <br /> Method: E200.8 Batch: R185894 <br /> Lab ID: LRB Method Blank Run: ICPMS2-C 140425A 04/25/14 15:30 <br /> Antimony 0.0001 mg/L 6E-05 <br /> Lab ID: LFB-filtered Laboratory Fortified Blank Run: ICPMS2-C_140425A 04/25/14 15:33 <br /> Antimony 0.0494 mg/L 0.0010 99 85 115 <br /> Lab ID: C14040321-007BMS4 Sample Matrix Spike Run: ICPMS2-C_140425A 04/25/14 22:54 <br /> Antimony 0.0582 mg/L 0.0010 116 70 130 <br /> Lab ID: C14040321-007BMSD Sample Matrix Spike Duplicate Run: ICPMS2-C_140425A 04/25/14 22:57 <br /> Antimony 0.0583 mg/L 0.0010 117 70 130 0.2 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 14 of 26 <br />