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• www.eaergylab.com Helena,MT 877-472-0711 •Billings,MIT 800-735-4489•Casper,WY 888-235-0515 <br /> - smcs less 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: 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: E200.8 Analytical Run: ICPMS2-C_140604A <br /> Lab ID: ICV 4 Initial Calibration Verification Standard 06/04/14 15:07 <br /> Antimony 0.0491 mg/L 0.0010 98 90 110 <br /> Arsenic 0.0502 mg/L 0.0010 100 90 110 <br /> Copper 0.0507 mg/L 0.0010 101 90 110 <br /> Lead 0.0509 mg/L 0.0010 102 90 110 <br /> Method: E200.8 Batch:41495 <br /> Lab ID: MB-41495 4 Method Blank Run: ICPMS2-C 140604A 06/04/14 20:48 <br /> Antimony 0.0003 mg/L 0.0002 <br /> Arsenic ND mg/L 0.0003 <br /> Copper ND mg/L 0.0004 <br /> Lead 3E-05 mg/L 3E-05 <br /> Lab ID: LCS3-41495 4 Laboratory Control Sample Run: ICPMS2-C_140604A 06/04/14 20:51 <br /> Antimony 0.518 mg/L 0.0010 104 85 115 <br /> Arsenic 0.492 mg/L 0.0010 98 85 115 <br /> Copper 0.485 mg/L 0.0050 97 85 115 <br /> Lead 0.511 mg/L 0.0010 102 85 115 <br /> Lab ID: C14050738-001 BMS3 4 Sample Matrix Spike Run: ICPMS2-C_140604A 06/04/14 21:00 <br /> Antimony 0.501 mg/L 0.0010 100 70 130 <br /> Arsenic 0.482 mg/L 0.0010 96 70 130 <br /> Copper 0.478 mg/L 0.0050 92 70 130 <br /> Lead 0.531 mg/L 0.0010 106 70 130 <br /> Lab ID: C14050738-001BMS11) 4 Sample Matrix Spike Duplicate Run: ICPMS2-C_140604A 06/04/14 21:02 <br /> Antimony 0.508 mg/L 0.0010 101 70 130 1.4 20 <br /> Arsenic 0.478 mg/L 0.0010 95 70 130 0.8 20 <br /> Copper 0.474 mg/L 0.0050 91 70 130 0.7 20 <br /> Lead 0.527 mg/L 0.0010 105 70 130 0.7 20 <br /> Method: E200.8 Analytical Run: ICPMS4-C_140606B <br /> Lab ID: ICV Initial Calibration Verification Standard 06/06/14 14:11 <br /> Silver 0.0196 mg/L 0.0010 98 90 110 <br /> Method: E200.8 Batch:41495 <br /> Lab ID: MB-41495 Method Blank Run: ICPMS4-C 140606B 06/06/14 23:05 <br /> Silver ND mg/L 0.0002 <br /> Lab ID: LCS3-41495 Laboratory Control Sample Run: ICPMS4-C_140606B 06/06/14 23:09 <br /> Silver 0.0490 mg/L 0.0010 98 85 115 <br /> Lab ID: C14050738-001BMS3 Sample Matrix Spike Run: ICPMS4-C_140606B 06/06/14 23:29 <br /> Silver 0.0370 mg/L 0.0010 74 70 130 <br /> Lab ID: C14050738-001BMSD Sample Matrix Spike Duplicate Run: ICPMS4-C_140606B 06/06/14 23:50 <br /> Silver 0.0390 mg/L 0.0010 78 70 130 5.2 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 12 of 24 <br />