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www.ewdab.com Helena,W$77472-0711 •Billings,MT 800-7354482•Casper,WY 888-235-0515 <br /> Is f as <br /> AWWW E.*.Sbae I 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: 07/03/14 <br /> Project: Schwartz-GW 6/19/14 S27586, S27587 Work Order: C14060762 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E200.7 Analytical Run: ICP2-C_140627A <br /> Lab ID: ICV Initial Calibration Verification Standard 06/27/14 12:30 <br /> Iron 5.12 mg/L 0.030 102 95 105 <br /> Lab ID: ICSA Interference Check Sample A 06/27/14 13:02 <br /> Iron 184 mg/L 0.030 92 80 120 <br /> Lab ID: ICSAB Interference Check Sample AB 06/27/14 13:06 <br /> Iron 192 mg/L 0.030 96 80 120 <br /> Method: E200.7 Batch:R188067 <br /> Lab ID: MB-140627A Method Blank Run: ICP2-C 140627A 06/27/14 13:30 <br /> Iron ND mg/L 0.002 <br /> Lab ID: LFB-140627A Laboratory Fortified Blank Run: ICP2-C_140627A 06/27/14 13:34 <br /> Iron 1.00 mg/L 0.030 100 85 115 <br /> Lab ID: C14060506-003BMS2 Sample Matrix Spike Run: ICP2-C_140627A 06/28/14 01:33 <br /> Iron 1.91 mg/L 0.030 94 70 130 <br /> Lab ID: C14060506-003BMSD Sample Matrix Spike Duplicate Run: ICP2-C_140627A 06/28/14 01:37 <br /> Iron 1.92 mg/L 0.030 94 70 130 0.5 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 9 of 29 <br />