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• www.enerulab.com Helena,MT 877-472-0711 •Billings,MT B 448 00-735- 9•Casper,WY 888-235-8515 <br /> �- AU"WExrwpErAc.A.IN2 Gillette,WY 866-686-7175•Rapid City,SD BBB-672-1225•College Station,TX 888-600-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 06/17/14 <br /> Project: Schwartz GW 5/22/14 S27512, S27513 Work Order: C14050752 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: A2320 B Batch: R186936 <br /> Lab ID: MBLK 2 Method Blank Run: MANTECH 140527C 05/27/14 14:01 <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_140527C 05/27/14 14:15 <br /> Alkalinity,Total as CaCO3 258 mg/L 5.0 103 90 110 <br /> Lab ID: C14050722-001BMS Sample Matrix Spike Run:MANTECH_140527C 05/27/14 18:47 <br /> Alkalinity,Total as CaCO3 426 mg/L 5.0 98 80 120 <br /> Lab ID: C14050754-001ADUP 2 Sample Duplicate Run:MANTECH_140527C 05/27/14 19:59 <br /> Alkalinity,Total as CaCO3 245 mg/L 5.0 0.3 10 <br /> Bicarbonate as HCO3 299 mg/L 5.0 0.3 10 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 6 of 24 <br />