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• www.enereab.com � Helena, MT 677- 472 -0711 • Billings, MT 800- 735 -4489 • Casper, WY 888 - 235 -0515 <br />} balytfaalFiucdll = Am 1832 Gillette, WY 866 -686 -7175 • Rapid City, SD 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 />09/24/14 <br />Project: Schwartz -SW 9/3/14 S27624 <br />Work Order: <br />C14090144 <br />Analyte Count <br />Result Units <br />RL %REC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: E903.0 <br />Batch: RA226 -7357 <br />Lab ID: C14090144- 001EMS <br />Sample Matrix Spike <br />Run: BERTHOLD 770- 2_140908A <br />09/15/14 09:55 <br />Radium 226 <br />24 pCi /L <br />107 70 130 <br />Lab ID: C14090144 -001 EMSD <br />Sample Matrix Spike Duplicate <br />Run: BERTHOLD 770- 2_140908A <br />09/15/14 09:55 <br />Radium 226 <br />24 pCi /L <br />107 70 130 0.1 <br />21 <br />Lab ID: LCS -RA226 -7357 <br />Laboratory Control Sample <br />Run: BERTHOLD 770- 2_140908A <br />09/15/14 11:32 <br />Radium 226 <br />13 pCi /L <br />111 80 120 <br />Lab ID: MB -RA226 -7357 <br />3 Method Blank <br />Run: BERTHOLD 770-2140908A <br />09/15/14 11:32 <br />Radium 226 <br />0.003 pCi /L <br />U <br />Radium 226 precision ( ±) <br />0.09 pCi /L <br />Radium 226 MDC <br />0.2 pCi /L <br />Method: E903.0 <br />Lab ID: 014090144 -001 FMS <br />Radium 226 <br />Lab ID: 014090144- 001FMSD <br />Radium 226 <br />Lab ID: MB -RA226 -7352 <br />Radium 226 <br />Radium 226 precision ( ±) <br />Radium 226 MDC <br />Lab ID: LCS -RA226 -7352 <br />Radium 226 <br />Sample Matrix Spike <br />22 pCi /L <br />Sample Matrix Spike Duplicate <br />24 pCi /L <br />3 Method Blank <br />1.0 pCi /L <br />0.3 pCi /L <br />0.2 pCi /L <br />Laboratory Control Sample <br />12 pCi /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Batch: RA226 -7352 <br />Run: TENNELEC -3 140908B 09/22/14 11:39 <br />97 70 130 <br />Run: TENNELEC -3 140908B 09/22/14 11:39 <br />108 70 130 10.0 20.8 <br />Run: TENNELEC -3 140908B 09/22/14 11:39 <br />Run: TENNELEC -3 140908B 09/22/14 11:39 <br />98 80 120 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 20 of 24 <br />