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www.mwgylab.com I Helena, MT 877- 472 -0711 - Billings, MT 808 -735 -4489 - Casper, WY 888- 235 -8515 <br />Ied/ticilFer,NaouSaOvc. f15s ,J Gillette, WY 866 -686 -7175 - Rapid City, SO 886- 672 -1225 - College Station, TX 888- 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Report Date: <br />07/05/13 <br />Project: Schwartz GW 06/12/13 S27034 <br />Work Order: <br />013060505 <br />[Analyte <br />Count Result Units <br />RL <br />%REC Low Limit High Limit RPD <br />l <br />RPDLimit Qual <br />Method: A2320 B <br />Batch: R174818 <br />Sample ID: MBLK <br />2 Method Blank <br />Run: MANTECH 130614B <br />06/14/13 15:01 <br />Alkalinity, Total as CaCO3 <br />ND mg /L <br />2 <br />Bicarbonate as HCO3 <br />ND mg /L <br />1 <br />Sample ID: LCS_130315 <br />Laboratory Control Sample <br />Run: MANTECH_130614B <br />06/14/13 15:16 <br />Alkalinity, Total as CaCO3 <br />257 mg /L <br />5.0 <br />103 90 110 <br />Sample ID: 013060503- 001ADUP <br />2 Sample Duplicate <br />Run: MANTECH_130614B <br />06/14/13 15:32 <br />Alkalinity, Total as CaCO3 <br />345 mg /L <br />5.0 <br />0.3 <br />10 <br />Bicarbonate as HCO3 <br />421 mg /L <br />5.0 <br />0.3 <br />10 <br />Sample ID: C13060505 -001 BMS <br />Sample Matrix Spike <br />Run: MANTECH_130614B <br />06/14/13 15:48 <br />Alkalinity, Total as CaCC3 <br />356 mg /L <br />5.0 <br />105 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 21 <br />