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• - www.ewgylob.com Helena,MT$77-472-0711 •Billings,MT 600-735-4489•Casper,WY 888-235-0515 <br /> Gillette,wY 866-666-7175•Rapid City,SD 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: 07/03/14 <br /> Project: Schwartz GW 06/06/14 S27541 Work Order: C14060289 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: A2320 B Batch: R187358 <br /> Lab ID: MBLK 2 Method Blank Run:MANTECH 140609C 06/09/14 15:33 <br /> Alkalinity,Total as CaCO3 0.6 mg/L 0.6 <br /> Bicarbonate as HCO3 ND mg/L 1 <br /> Lab ID: LCS_140522 Laboratory Control Sample Run:MANTECH-140609C 06/09/14 15:46 <br /> Alkalinity,Total as CaCO3 255 mg/L 5.0 102 90 110 <br /> Lab ID: C14060272-011BDUP 2 Sample Duplicate Run:MANTECH_140609C 06/09/14 19:48 <br /> Alkalinity,Total as CaCO3 371 mg/L 5.0 0.5 10 <br /> Bicarbonate as HCO3 452 mg/L 5.0 0.5 10 <br /> Lab ID: C14060272-012BMS Sample Matrix Spike Run: MANTECH_140609C 06/09/14 20:04 <br /> Alkalinity,Total as CaCO3 506 mg/L 5.0 87 80 120 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 6 of 29 <br />