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• - www.ene dab.com Helena,MT$77-472-0711 •Billings,MT 800-735-4489•Casper,WY 888-235-0515 <br /> HOC't Gillette,WY 866-686-7175•Rapid City,SO 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: 07/11/14 <br /> Project: Schwartz-GW 6/16/14 S27576 Work Order: C14060740 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E200.8 Analytical Run: ICPMS4-C_140626A <br /> Lab ID: ICV 6 Initial Calibration Verification Standard 06/25/14 15:42 <br /> Arsenic 0.0494 mg/L 0.0010 99 90 110 <br /> Barium 0.0477 mg/L 0.0010 95 90 110 <br /> Iron 0.982 mg/L 0.0010 98 90 110 <br /> Manganese 0.0492 mg/L 0.0010 98 90 110 <br /> Molybdenum 0.0485 mg/L 0.0010 97 90 110 <br /> Uranium 0.0490 mg/L 0.00030 98 90 110 <br /> Method: E200.8 Batch:41762 <br /> Lab ID: MB-41762 6 Method Blank Run: ICPMS4-C 140626A 06/26/14 02:42 <br /> Arsenic 0.001 mg/L 0.0004 <br /> Barium ND mg/L 4E-05 <br /> Iron ND mg/L 0.004 <br /> Manganese 0.0007 mg/L 0.0001 <br /> Molybdenum ND mg/L 0.0002 <br /> Uranium ND mg/L 4E-05 <br /> Lab ID: LCS3-41762 6 Laboratory Control Sample Run: ICPMS4-C_140626A 06/26/14 02:46 <br /> Arsenic 0.496 mg/L 0.0010 99 85 115 <br /> Barium 0.495 mg/L 0.050 99 85 115 <br /> Iron 2.40 mg/L 0.030 96 85 115 <br /> Manganese 2.48 mg/L 0.0010 99 85 115 <br /> Molybdenum 0.496 mg/L 0.0010 99 85 115 <br /> Uranium 0.509 mg/L 0.00030 102 85 115 <br /> Lab ID: C14060759-001 EMS3 6 Sample Matrix Spike Run: ICPMS4-C_140626A 06/26/14 03:45 <br /> Arsenic 0.495 mg/L 0.0010 98 70 130 <br /> Barium 0.518 mg/L 0.050 99 70 130 <br /> Iron 2.39 mg/L 0.030 94 70 130 <br /> Manganese 2.49 mg/L 0.0010 99 70 130 <br /> Molybdenum 0.505 mg/L 0.0010 100 70 130 <br /> Uranium 0.543 mg/L 0.00030 108 70 130 <br /> Lab ID: C14060759-001EMSD 6 Sample Matrix Spike Duplicate Run: ICPMS4-C_140626A 06/26/14 03:48 <br /> Arsenic 0.496 mg/L 0.0010 98 70 130 0.1 20 <br /> Barium 0.520 mg/L 0.050 99 70 130 0.5 20 <br /> Iron 2.44 mg/L 0.030 95 70 130 1.9 20 <br /> Manganese 2.50 mg/L 0.0010 99 70 130 0.1 20 <br /> Molybdenum 0.524 mg/L 0.0010 104 70 130 3.7 20 <br /> Uranium 0.545 mg/L 0.00030 109 70 130 0.4 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 7 of 13 <br />