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• www.ew&ab.com Helena,MT 877-472-0711 •Billings,MT 800-735-4489•Casper,WY 888-235-0515 <br /> LCJ n AaWaE=mw=SbxsJ85? <br /> Gillette,WY 866-666-7175•Rapid City,SD$86-672-1225•College Station,TX 888-690-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 06/13/14 <br /> Project: Schwartz-GW 5/21/14 S27511 Work Order: C14050681 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E200.8 Analytical Run: ICPMS4-C_140609A <br /> Lab ID: ICV 4 Initial Calibration Verification Standard 06/09/14 13:46 <br /> Antimony 0.0494 mg/L 0.0010 99 90 110 <br /> Copper 0.0506 mg/L 0.0010 101 90 110 <br /> Thallium 0.0503 mg/L 0.0010 101 90 110 <br /> Uranium 0.0495 mg/L 0.00030 99 90 110 <br /> Method: E200.8 Batch:41477 <br /> Lab ID: MB-41477 4 Method Blank Run: ICPMS4-C_140609A 06/10/14 00:56 <br /> Antimony 0.0002 mg/L 0.0002 <br /> Copper ND mg/L 0.0002 <br /> Lead ND mg/L 4E-05 <br /> Thallium ND mg/L 6E-05 <br /> Lab ID: LCS3-41477 4 Laboratory Control Sample Run: ICPMS4-C_140609A 06/10/14 01:00 <br /> Antimony 0.522 mg/L 0.0010 104 85 115 <br /> Copper 0.491 mg/L 0.0050 98 85 115 <br /> Lead 0.494 mg/L 0.0010 99 85 115 <br /> Thallium 0.428 mg/L 0.00050 86 85 115 <br /> Lab ID: C14050653-003CMS3 4 Sample Matrix Spike Run: ICPMS4-C_140609A 06/10/14 01:12 <br /> Antimony 0.528 mg/L 0.0010 106 70 130 <br /> Copper 0.482 mg/L 0.0050 96 70 130 <br /> Lead 0.506 mg/L 0.0010 101 70 130 <br /> Thallium 0.454 mg/L 0.00050 91 70 130 <br /> Lab ID: C14050653-003CMSD 4 Sample Matrix Spike Duplicate Run: ICPMS4-C_140609A 06/10/14 01:15 <br /> Antimony 0.534 mg/L 0.0010 107 70 130 1.1 20 <br /> Copper 0.480 mg/L 0.0050 96 70 130 0.5 20 <br /> Lead 0.506 mg/L 0.0010 101 70 130 0.0 20 <br /> Thallium 0.456 mg/L 0.00050 91 70 130 0.5 20 <br /> Method: E200.8 Batch: R187366 <br /> Lab ID: LRB 4 Method Blank Run: ICPMS4-C_140609A 06/09/14 14:20 <br /> Antimony 0.0004 mg/L 0.0001 <br /> Copper ND mg/L 3E-05 <br /> Thallium ND mg/L 6E-05 <br /> Uranium 9E-06 mg/L 9E-06 <br /> Lab ID: LFB-FILTERED 4 Laboratory Fortified Blank Run: ICPMS4-C_140609A 06/09/14 14:24 <br /> Antimony 0.0514 mg/L 0.0010 102 85 115 <br /> Copper 0.0518 mg/L 0.0010 104 85 115 <br /> Thallium 0.0516 mg/L 0.0010 103 85 115 <br /> Uranium 0.0493 mg/L 0.00030 99 85 115 <br /> Lab ID: C14050681-001CMS4 4 Sample Matrix Spike Run: ICPMS4-C_140609A 06/10/14 01:49 <br /> Antimony 0.0571 mg/L 0.0010 114 70 130 <br /> Copper 0.0502 mg/L 0.0050 100 70 130 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 11 of 21 <br />