2014-10-23_HYDROLOGY - M1977300 (3)

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9=0- www.enerdab.com f Helena,W 877-472-0711 •Billings,MT 800-735-4489•Casper,WY 888-235-0515 A te°102 Gillette,WY 866-666-7175•Rapid City,SO 886-672-1225•College Station,TX 188-690-2218 QA/QC Summary Report Prepared by Casper, WY Branch Client: Cotter Corporation Report Date: 08/13/14 Project: Schwartz-GW 7/23/14 S27590,S27594 Work Order: C14070848 Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual Method: E200.8 Analytical Run: ICPMS4-C_140731A Lab ID: ICV 4 Initial Calibration Verification Standard 07/31/14 11:31 Antimony 0.0489 mg/L 0.0010 98 90 110 Arsenic 0.0524 mg/L 0.0010 105 90 110 Thallium 0.0498 mg/L 0.0010 100 90 110 Uranium 0.0488 mg/L 0.00030 98 90 110 Method: E200.8 Batch: R189327 Lab ID: LRB 4 Method Blank Run: ICPMS4-C 140731A 07/31/14 12:06 Antimony 0.0002 mg/L 0.0001 Arsenic ND mg/L 5E-05 Thallium ND mg/L 6E-05 Uranium 1 E-05 mg/L 9E-06 Lab ID: LFB 4 Laboratory Fortified Blank Run: ICPMS4-C_140731A 07/31/14 12:11 Antimony 0.0538 mg/L 0.0010 107 85 115 Arsenic 0.0514 mg/L 0.0010 103 85 115 Thallium 0.0523 mg/L 0.0010 105 85 115 Uranium 0.0509 mg/L 0.00030 102 85 115 Lab ID: C14070848-002CMS4 4 Sample Matrix Spike Run: ICPMS4-C_140731A 07/31/14 20:31 Antimony 0.0567 mg/L 0.0010 113 70 130 Arsenic 0.0543 mg/L 0.0010 108 70 130 Thallium 0.0528 mg/L 0.00050 106 70 130 Uranium 1.65 mg/L 0.00030 70 130 A Lab ID: C14070848-002CMSD 4 Sample Matrix Spike Duplicate Run: ICPMS4-C_140731A 07/31/14 20:53 Antimony 0.0570 mg/L 0.0010 114 70 130 0.6 20 Arsenic 0.0543 mg/L 0.0010 108 70 130 0.0 20 Thallium 0.0531 mg/L 0.00050 106 70 130 0.7 20 Uranium 1.64 mg/L 0.00030 70 130 0.9 20 A Qualifiers: RL-Analyte reporting limit. A-The analyte level was greater than four times the spike level. In accordance with the method%recovery is not calculated. ND-Not detected at the reporting limit. MDC-Minimum detectable concentration Page 14 of 25