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• www.efwulab.com Helena,Atf 877-472-0711 •Billings,MT 800-735-4489•Casper,WY 888-235-0515 <br /> A"'&*M E=Sft=Siam 1952 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: 05/21/14 <br /> Project: Schwartz-SW 5/1/14 S27466 Work Order: C14050047 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E200.7 Analytical Run: ICP2-C_140515A <br /> Lab ID: ICV Initial Calibration Verification Standard 05/15/14 10:32 <br /> Zinc 1.00 mg/L 0.010 100 95 105 <br /> Lab ID: ICSA Interference Check Sample A 05/15/14 11:00 <br /> Zinc -0.0130 mg/L 0.010 <br /> Lab ID: ICSAB Interference Check Sample AB 05/15/14 11:04 <br /> Zinc 0.993 mg/L 0.010 99 80 120 <br /> Method: E200.7 Batch:41297 <br /> Lab ID: MB-41297 Method Blank Run: ICP2-C_140515A 05/15/14 17:03 <br /> Zinc ND mg/L 0.002 <br /> Lab ID: LCS3-41297 Laboratory Control Sample Run: ICP2-C_140515A 05/15/14 17:07 <br /> Zinc 0.474 mg/L 0.010 95 85 115 <br /> Lab ID: C14050047-001DMS3 Sample Matrix Spike Run: ICP2-C_140515A 05/15/14 17:19 <br /> Zinc 0.476 mg/L 0.010 95 70 130 <br /> Lab ID: C14050047-001 DMSD Sample Matrix Spike Duplicate Run: ICP2-C_140515A 05/15/14 17:23 <br /> Zinc 0.480 mg/L 0.010 96 70 130 0.8 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 11 of 27 <br />