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• wwwewgylab.com � Helena, MT 877- 472 -0711 • Billings, W 800- 735 -4489 • Gasper, WY 888- 235 -0515 <br />ed <br />A/fia'1 mm" fig Gillette, WY 866 -686 -7175 • Rapid City, SO 888 -672 -1225 • College Station, TX 888 - 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />/14 <br />Client: Cotter Corporation <br />Project: Schwartz -SW 02/04/14 S27321 <br />Analyte <br />Count Result <br />Units <br />Method: A2320 B <br />Sample ID: MBLK <br />2 Method Blank <br />Alkalinity, Total as CaCO3 <br />0.6 <br />mg /L <br />Bicarbonate as HCO3 <br />ND <br />mg /L <br />Sample ID: LCS_131219 <br />Laboratory Control Sample <br />Alkalinity, Total as CaCO3 <br />262 <br />mg /L <br />Sample ID: C14020064- 001ADUP <br />2 Sample Duplicate <br />Alkalinity, Total as CaCO3 <br />607 <br />mg /L <br />Bicarbonate as HCO3 <br />740 <br />mg /L <br />Sample ID: C14020064- 001AMS <br />Sample Matrix Spike <br />Alkalinity, Total as CaCO3 <br />849 <br />mg /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Revised Date. 03/06 <br />Report Date: 02/24/14 <br />Work Order: C14020109 <br />RL ° /oREC Low Limit High Limit RPD RPDLimit Qual <br />Batch: R183359 <br />Run- MANTECH_140205A 02/05/14 14:39 <br />0.6 <br />1 <br />Run: MANTECH 140205A <br />5.0 104 90 110 <br />Run: MANTECH 140205A <br />5.0 <br />5.0 <br />Run: MANTECH_140205A <br />5.0 101 80 120 <br />ND - Not detected at the reporting limit. <br />02/05/14 14:52 <br />02/05/14 1516 <br />1.8 10 <br />1.8 10 <br />02/05/14 15:25 <br />Page 5 of 27 <br />