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MOT _ www.mwoab.com j Helena, MT 877 -472 -0711 • Billings, MT 808- 735 -4489 • Casper, WY 888 -235 -1515 <br />AWWWEWA6= 11s4 J Gillette, WY 866- 686 -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 <br />Report Date: <br />07/16/13 <br />Project: Schwartz GW 6/23/13 <br />S26948 <br />Work Order: <br />C13060891 <br />�Analyte <br />Count Result <br />Units <br />RL <br />° /.REC Low Limit High Limit RPD <br />RPDLimit Quay <br />Method: A2320 B <br />Batch: R175198 <br />Sample ID: MBLK <br />2 Method Blank <br />Run: MANTECH_130625A <br />06/25/13 14.58 <br />Alkalinity, Total as CaCC3 <br />ND <br />mg /L <br />2 <br />Bicarbonate as HCO3 <br />1 <br />mg /L <br />1 <br />Sample ID: LCS_130616 <br />Laboratory Control Sample <br />Run: MANTECH_130625A <br />06/25/13 15:13 <br />Alkalinity, Total as CaCO3 <br />258 <br />mg /L <br />5.0 <br />103 90 110 <br />Sample ID: C13060845- 001ADUP <br />2 Sample Duplicate <br />Run: MANTECH_130625A <br />06/25/13 15:30 <br />Alkalinity, Total as CaCO3 <br />203 <br />mg /L <br />5.0 <br />0.3 <br />10 <br />Bicarbonate as HCO3 <br />248 <br />mg /L <br />5.0 <br />0.3 <br />10 <br />Sample ID: C13060845- 002AMS <br />Sample Matrix Spike <br />Run: MANTECH_130625A <br />06/25/13 15:48 <br />Alkalinity, Total as CaCC3 <br />499 <br />mg /L <br />5.0 <br />106 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 />