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www.ener&ab.com 11 Helena, MT 877 -472 -0711 • Billings, W 800 -735 -4489 a Casper, WY 888 -235 -0515 <br />AaWW 1°' Sines t119 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 />09/05/13 <br />Project: Schwartz SW 8/6/13 <br />S27019 <br />Work Order: <br />C13080305 <br />[Analyte <br />Count Result Units <br />RL <br />° /aREC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: A2320 B <br />Batch: R176901 <br />Sample ID: MBLK <br />2 Method Blank <br />Run- MANTECH_130808B <br />08/08/13 14:54 <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_130618 <br />Laboratory Control Sample <br />Run: MANTECH_130808B <br />08/08/13 15:09 <br />Alkalinity, Total as CaCC3 <br />255 mg /L <br />5.0 <br />102 90 110 <br />Sample ID: C13080291- 001ADUP <br />2 Sample Duplicate <br />Run: MANTECH_130808B <br />08/08/13 18:52 <br />Alkalinity, Total as CaCC3 <br />1240 mg /L <br />5.0 <br />0.1 <br />10 <br />Bicarbonate as HCO3 <br />1510 mg /L <br />5.0 <br />0.1 <br />10 <br />Sample ID: 013080303 -001 BMS <br />Sample Matrix Spike <br />Run: MANTECH_130808B <br />08/08/13 19:18 <br />Alkalinity, Total as CaCO3 <br />324 mg /L <br />5.0 <br />102 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 25 <br />