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rim www.ere rvab.com ( Helena, MT 977- 472 -0711 • Billings, MT 888 - 735 -4489 • Casper, WY 888 - 235 -0515 <br />fltaz Gillette, WY 808 -080 -7175 • Rapid City, SD 888 -872 -1225 • College Station, TX 888 -990 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Report Date: <br />02/03/14 <br />Project: Schwartz GW 12/23/13 S27306 <br />Work Order: <br />013120854 <br />Analyte <br />Count Result Units <br />RL 01AEC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: E903.0 <br />Batch: RA226 -7009 <br />Sample ID: C13120866- 001AMS <br />Sample Matrix Spike <br />Run: BERTHOLD 770- 2_131227A <br />01/07/14 12:49 <br />Radium 226 <br />21 pCi /L <br />92 70 130 <br />Sample ID: C13120866- 001AMSD <br />Sample Matrix Spike Duplicate <br />Run: BERTHOLD 770- 2_131227A <br />01/07/14 12:49 <br />Radium 226 <br />21 pCi /L <br />92 70 130 0.1 <br />22 <br />Sample ID: MB- RA226 -7009 <br />Radium 226 <br />Radium 226 precision ( ±) <br />Radium 226 MDC <br />Sample ID: LCS- RA226 -7009 <br />Radium 226 <br />Method: E903.0 <br />Sample ID: C13120854- 002EMS <br />Radium 226 <br />Sample ID: C13120854- 002EMSD <br />Radium 226 <br />Sample ID: MB -RA226 -7021 <br />Radium 226 <br />Radium 226 precision ( ±) <br />Radium 226 MDC <br />Sample ID: LCS - RA226 -7021 <br />Radium 226 <br />3 Method Blank <br />-0.1 pCi /L <br />0.1 pCi /L <br />0.3 pCi /L <br />Laboratory Control Sample <br />11 pCi /L <br />Sample Matrix Spike <br />23 pCi /L <br />Sample Matrix Spike Duplicate <br />21 pCi /L <br />3 Method Blank <br />0.1 pCi /L <br />0.2 pCi /L <br />0.2 pCi /L <br />Laboratory Control Sample <br />24 pCi /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Run: BERTHOLD 770-2131227A 01/07/14 12:49 <br />U <br />Run: BERTHOLD 770-2131227A 01/07/14 12:49 <br />102 80 120 <br />Batch: RA226 -7021 <br />Run: G5000W 140108A 01/14/14 10:29 <br />96 70 130 <br />Run: G5000W_140108A <br />89 70 130 <br />Run: G5000W_140108A <br />Run: G5000W 140108A <br />104 80 120 <br />01/14/14 10:29 <br />7.1 21.6 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />01/14/14 10:29 <br />U <br />01/14/14 10:29 <br />Page 25 of 31 <br />