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www.ene eab.com Helena, MT 877472 -0711 • Billings, MT 800 - 7354489 • Casper, WY 888 -235 -8515 <br />*WEavh=SkwII52 f Gillette, WY 866- 886 -7175 • Rapid City, SD 886- 672 -1225 • College Station, TX 888 -680 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Report Date: <br />10/15/13 <br />Project: Schwartz SW 9/10/13 S27157 <br />Work Order: <br />C13090392 <br />Analyte <br />Count Result Units <br />RL <br />%REC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: A2320 B <br />Batch: R178209 <br />Sample ID: MBLK <br />2 Method Blank <br />Run: MANTECH 130912B <br />09/12/13 15:42 <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_130912B <br />09/12/13 15:59 <br />Alkalinity, Total as CaCO3 <br />262 mg /L <br />5.0 <br />105 90 110 <br />Sample ID: C13090392 -001 BDUP <br />2 Sample Duplicate <br />Run: MANTECH_130912B <br />09/12/13 16:14 <br />Alkalinity, Total as CaCO3 <br />63.9 mg /L <br />5.0 <br />1.1 <br />10 <br />Bicarbonate as HCO3 <br />78.0 mg /L <br />50 <br />1.1 <br />10 <br />Sample lD: C13090392 -001 BMS <br />Sample Matrix Spike <br />Run: MANTECH_130912B <br />09/12/13 16:29 <br />Alkalinity, Total as CaCO3 <br />321 mg /L <br />5.0 <br />103 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 26 <br />