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• www.mwdab.com Helena,W$77-472-0711 •Billings,SAT 600-735-4482•Casper,WY 888 235-0515 <br /> } Ae>ry FxarMrna stmc°fast Gillette,WY 866-686-7175•Rapid City,SG 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: 08/21/14 <br /> Project: Schwartz-GW 7/31/14 S27613 Work Order: C14080021 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: A2320 B Batch: R189404 <br /> Lab ID: MBLK 2 Method Blank Run: MANTECH 140801E 08/01/14 15:01 <br /> Alkalinity,Total as CaCO3 4 mg/L 0.6 <br /> Bicarbonate as HCO3 4 mg/L 1 <br /> Lab ID: LCS_140522 Laboratory Control Sample Run:MANTECH_140801 B 08/01/14 15:15 <br /> Alkalinity,Total as CaCO3 264 mg/L 5.0 104 90 110 <br /> Lab ID: C14080005-002ADUP 2 Sample Duplicate Run:MANTECH_140801B 08/01/14 15:32 <br /> Alkalinity,Total as CaCO3 892 mg/L 5.0 0.7 10 <br /> Bicarbonate as HCO3 1090 mg/L 5.0 0.7 10 <br /> Lab ID: C14080005-003AMS Sample Matrix Spike Run: MANTECH_140801 B 08/01/14 15:51 <br /> Alkalinity,Total as CaCO3 1070 mg/L 5.0 101 80 120 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 5 of 20 <br />