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• wwwxerdab.com Helena,W 577-472-0711 •Billings,MT 600-735-4489•Casper,WY 888-235-0515 <br /> f <br /> Gillette,wY 866-606-7175•Rapid City,SD 888-672-1225•College Station,TX 888-68O-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 06/26/14 <br /> Project: Schwartz GW 06/05/14 S27539, S27540 Work Order: C14060251 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: A2320 B Batch: R187306 <br /> Lab ID: MBLK 2 Method Blank Run:MANTECH_140606B 06/06/14 15:59 <br /> Alkalinity,Total as CaCO3 ND mg/L 0.6 <br /> Bicarbonate as HCO3 ND mg/L 1 <br /> Lab ID: LCS_140522 Laboratory Control Sample Run: MANTECH_140606B 06/06/14 16:12 <br /> Alkalinity,Total as CaCO3 257 mg/L 5.0 103 90 110 <br /> Lab ID: C14060250-007ADUP 2 Sample Duplicate Run:MANTECH_140606B 06/06/14 20:21 <br /> Alkalinity,Total as CaCO3 173 mg/L 5.0 0.1 10 <br /> Bicarbonate as HCO3 161 mg/L 5.0 1.0 10 <br /> Lab ID: C14060251-001 BMS Sample Matrix Spike Run:MANTECH_140606B 06/06/14 20:45 <br /> Alkalinity,Total as CaCO3 325 mg/L 5.0 103 80 120 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 7 of 24 <br />