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- www.peergoab.com Helena, W 877- 472 -0711 • Billings, W 808- 735 -4489 • Casper, WY 888 - 235 -8515 <br />l 'Q' A6aa Im 1 Gillette, WY 886 -686 -7175 • Rapid City, SO 886- 672 -1225 * College Station, T% 868 - 690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz GW 12/23/13 S27306 <br />Report Date: <br />Work Order: <br />02/03/14 <br />C13120854 <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: R182085 <br />Sample ID: MBLK <br />2 Method Blank <br />Run: MANTECH_131227B <br />12/27/13 16:01 <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_131219 <br />Laboratory Control Sample <br />Run: MANTECH_131227B <br />12/27/13 16:15 <br />Alkalinity, Total as CaCO3 <br />257 <br />mg /L <br />5.0 <br />103 90 110 <br />Sample ID: C13120854- 002BDUP <br />2 Sample Duplicate <br />Run: MANTECH_131227B <br />12/27/13 16:31 <br />Alkalinity, Total as CaCO3 <br />221 <br />mg /L <br />5.0 <br />0.1 <br />10 <br />Bicarbonate as HCO3 <br />269 <br />mg /L <br />5.0 <br />0.1 <br />10 <br />Sample ID: 013120920- 002AMS Sample Matrix Spike Run: MANTECH_131227B 12/27/13 17:45 <br />Alkalinity, Total as CaCO3 486 mg /L 5.0 101 80 120 <br />Method: A2320 B <br />Sample ID: MBLK <br />Alkalinity, Total as CaCO3 <br />Bicarbonate as HCO3 <br />Sample ID: LCS_131219 <br />Alkalinity, Total as CaCC3 <br />Sample ID: C14010292- 001BDUP <br />Alkalinity, Total as CaCO3 <br />Bicarbonate as HCO3 <br />Sample ID: C14010292- 002BMS <br />Alkalinity, Total as CaCC3 <br />2 Method Blank <br />1 mg /L <br />1 mg /L <br />Laboratory Control Sample <br />257 mg /L <br />2 Sample Duplicate <br />91.9 mg /L <br />112 mg /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Sample Matrix Spike <br />327 mg /L <br />Batch: R182552 <br />Run: MANTECH_140113C 01/13/14 14:18 <br />0.6 <br />1 <br />Run: MANTECH_140113C 01/13/14 14:32 <br />5.0 102 90 110 <br />Run: MANTECH_140113C 01/13/14 14:48 <br />5.0 0.9 10 <br />5.0 0.9 10 <br />Run: MANTECH_140113C 01/13/14 15:04 <br />5.0 101 80 120 <br />ND - Not detected at the reporting limit. <br />Page 7 of 31 <br />