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• - www.miulab.com Helena,MR 077-472-0711 •Billings,MT 800-735-4482•Casper,WY 888-235-0515 <br /> 91-Ism 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: 04/22/14 <br /> Project: Schwartz-GW 4/8/14 S27456 Work Order: C14040300 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual 11 <br /> Method: E200.7 Analytical Run: ICP2-C_140414A <br /> Lab ID: ICV 2 Initial Calibration Verification Standard 04/14/14 11:50 <br /> Aluminum 4.73 mg/L 0.10 95 95 105 <br /> Iron 5.08 mg/L 0.030 102 95 105 <br /> Lab ID: ICSA 2 Interference Check Sample A 04/14/14 12:18 <br /> Aluminum 484 mg/L 0.10 97 80 120 <br /> Iron 187 mg/L 0.030 94 80 120 <br /> Lab ID: ICSAB 2 Interference Check Sample AB 04/14/14 12:22 <br /> Aluminum 484 mg/L 0.10 97 80 120 <br /> Iron 188 mg/L 0.030 94 80 120 <br /> Method: E200.7 Batch:41085 <br /> Lab ID: MB-41085 2 Method Blank Run: ICP2-C 140414A 04/14/14 18:53 <br /> Aluminum ND mg/L 0.009 <br /> Iron ND mg/L 0.005 <br /> Lab ID: LCS3-41085 2 Laboratory Control Sample Run: ICP2-C_140414A 04/14/14 18:57 <br /> Aluminum 2.35 mg/L 0.030 94 85 115 <br /> Iron 2.47 mg/L 0.030 99 85 115 <br /> Lab ID: C14040301-009CMS3 2 Sample Matrix Spike Run: ICP2-C_140414A 04/14/14 19:30 <br /> Aluminum 2.41 mg/L 0.030 94 70 130 <br /> Iron 2.51 mg/L 0.030 98 70 130 <br /> Lab ID: C14040301-009CMSD 2 Sample Matrix Spike Duplicate Run: ICP2-C_140414A 04/14/14 19:34 <br /> Aluminum 2.50 mg/L 0.030 98 70 130 3.8 20 <br /> Iron 2.59 mg/L 0.030 101 70 130 3.0 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 7 of 23 <br />