2014-10-23_HYDROLOGY - M1977300 (2)

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• - W--enerdab.com Helena,lilt$77472-0711 •Billings,MT 800-7354489•Casper,WY 888-23"515 Gillette,WY 86"66-7175•Rapid City,SD 888-672-1225•College Station,TX OWSOO-2218 QA/QC Summary Report Prepared by Casper, WY Branch Client: Cotter Corporation Report Date: 07/30/14 Project: Schwartz -GW 07/10/14 S27633 and S27634 Work Order: C14070445 Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qua[ Method: E200.8 Analytical Run: ICPMS4-C_140716A Lab ID: ICV 5 Initial Calibration Verification Standard 07/16/14 13:41 Antimony 0.0487 mg/L 0.0010 97 90 110 Arsenic 0.0494 mg/L 0.0010 99 90 110 Copper 0.0491 mg/L 0.0010 98 90 110 Lead 0.0508 mg/L 0.0010 101 90 110 Thallium 0.0499 mg/L 0.0010 100 90 110 Method: E200.8 Batch:41945 Lab ID: MB-41945 5 Method Blank Run: ICPMS4-C_140716A 07/16/14 23:06 Antimony 0.0004 mg/L 0.0002 Arsenic ND mg/L 0.0004 Copper 0.003 mg/L 0.0002 Lead ND mg/L 4E-05 Thallium ND mg/L 6E-05 Lab ID: LCS3-41945 5 Laboratory Control Sample Run: ICPMS4-C_140716A 07/16/14 23:10 Antimony 0.571 mg/L 0.0010 114 85 115 Arsenic 0.516 mg/L 0.0010 103 85 115 Copper 0.528 mg/L 0.0050 105 85 115 Lead 0.538 mg/L 0.0010 108 85 115 Thallium 0.468 mg/L 0.00050 94 85 115 Lab ID: C14070457-008AMS3 5 Sample Matrix Spike Run: ICPMS4-C_140716A 07/16/14 23:40 Antimony 0.485 mg/L 0.0010 97 70 130 Arsenic 0.473 mg/L 0.0010 93 70 130 Copper 0.506 mg/L 0.0050 96 70 130 Lead 0.601 mg/L 0.0010 115 70 130 Thallium 0.559 mg/L 0.00050 112 70 130 Lab ID: C14070457-008AMSD 5 Sample Matrix Spike Duplicate Run: ICPMS4-C_140716A 07/17/14 00:07 Antimony 0.488 mg/L 0.0010 97 70 130 0.6 20 Arsenic 0.467 mg/L 0.0010 92 70 130 1.2 20 Copper 0.492 mg/L 0.0050 93 70 130 2.8 20 Lead 0.592 mg/L 0.0010 113 70 130 1.5 20 Thallium 0.550 mg/L 0.00050 110 70 130 1.6 20 Qualifiers: RL-Analyte reporting limit. ND-Not detected at the reporting limit. MDC-Minimum detectable concentration Page 13 of 25