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www.energylab.com r Helena, MT 877- 472 -0711 • Billings, MT 800 -735 -4469 • Casper, WY 888 -235 -0515 <br />n <br />AaWM 6=011ma V= IZ2 i Gillette, WY 866 -686 -7175 • Rapid City, SD 880- 672 -1225 • College Station, T% 888- 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Report Date: <br />06/06/13 <br />Project: Schwartz SW 05/08/13 S26872 <br />Work Order: <br />C13050363 <br />Analyte <br />Count Result <br />Units <br />RL <br />° /.REC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: A2320 B <br />Batch: R173467 <br />Sample ID: MBLK <br />2 Method Blank <br />Run: MANTECH 130510C <br />05/10/13 14:50 <br />Alkalinity, Total as CaCO3 <br />ND <br />mg /L <br />2 <br />Bicarbonate as HCO3 <br />ND <br />mg /L <br />1 <br />Sample ID: LCS_130315 <br />Laboratory Control Sample <br />Run: MANTECH_130510C <br />05/10/13 15:05 <br />Alkalinity, Total as CaCO3 <br />255 <br />mg /L <br />5.0 <br />102 90 110 <br />Sample lD: C13050359- 001AMS <br />Sample Matrix Spike <br />Run: MANTECH_130510C <br />05/10/13 15:37 <br />Alkalinity, Total as CaCO3 <br />442 <br />mg /L <br />5.0 <br />101 80 120 <br />Sample ID: C13050363- 001BDUP <br />2 Sample Duplicate <br />Run: MANTECH_130510C <br />05/10/13 17:12 <br />Alkalinity, Total as CaCO3 <br />36.1 <br />mg /L <br />5.0 <br />0.0 <br />10 <br />Bicarbonate as HCO3 <br />44.1 <br />mg /L <br />5.0 <br />0.0 <br />10 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 5 of 26 <br />