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• - www.mwdab.com Helena,W 877-472-0711 •Billings,UT 800-735-4489 a Casper,WY 888-235-0515 <br /> Gillette,WY 866-686-7175•Rapid City,So 888-672-1225•college Station,TX 888-690-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 07/14/14 <br /> Project: Schwartz-GW 6/25/14 S27546, S27547 Work Order: C14060931 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E200.7 Analytical Run: ICP2-C_140630A <br /> Lab ID: ICV Initial Calibration Verification Standard 06/30/14 12:08 <br /> Iron 5.21 mg/L 0.030 104 95 105 <br /> Lab ID: ICSA Interference Check Sample A 06/30/14 12:40 <br /> Iron 193 mg/L 0.030 97 80 120 <br /> Lab ID: ICSAB Interference Check Sample AB 06/30/14 12:44 <br /> Iron 193 mg/L 0.030 97 80 120 <br /> Method: E200.7 Batch:41806 <br /> Lab ID: MB-41806 Method Blank Run: ICP2-C_140630A 06/30/14 16:41 <br /> Iron ND mg/L 0.005 <br /> Lab ID: LCS3-41806 Laboratory Control Sample Run: ICP2-C_140630A 06/30/14 16:45 <br /> Iron 2.47 mg/L 0.030 99 85 115 <br /> Lab ID: C14060931-001DMS3 Sample Matrix Spike Run: ICP2-C_140630A 06/30/14 17:21 <br /> Iron 2.52 mg/L 0.030 100 70 130 <br /> Lab ID: C14060931-001 DMSD Sample Matrix Spike Duplicate Run: ICP2-C_140630A 06/30/14 17:25 <br /> Iron 2.55 mg/L 0.030 101 70 130 1.2 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 9 of 23 <br />