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www.erwgylab.com j Helena, MT 811472 -0711 • Billings, MT 900 - 7354489 • Casper, WY 888- 235 -0515 <br />Awly" &WW IM ) Gillette, WY 866 -686 -7175 • Rapid City, SD 886- 672 -1225 • College Station, TX 868- 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz -SW 9/3/14 S27625 and S27660 <br />Analyte Count Result Units <br />Method: E900.0 <br />Run: TENNELEC- 3_140910A <br />Lab ID: Th230 -GrAB -1843 <br />Laboratory Control Sample <br />Gross Alpha <br />138 pCi /L <br />Lab ID: Sr90 -GrAB -1843 <br />Laboratory Control Sample <br />Gross Beta <br />189 pCi /L <br />Lab ID: MB -GrAB -1843 <br />6 Method Blank <br />Gross Alpha <br />1 pCi /L <br />Gross Alpha precision ( ±) <br />0.7 pCi /L <br />Gross Alpha MDC <br />1 pCi /L <br />Gross Beta <br />-2 pCi /L <br />Gross Beta precision ( ±) <br />1 pCi /L <br />Gross Beta MDC <br />2 pCi /L <br />Lab ID: C14090030- 001DDUP <br />6 Sample Duplicate <br />Gross Alpha <br />7.79 pCi /L <br />Gross Alpha precision ( ±) <br />1.25 pCi /L <br />Gross Alpha MDC <br />1.26 pCi /L <br />Gross Beta <br />3.86 pCi /L <br />Gross Beta precision ( ±) <br />1.63 pCi /L <br />Gross Beta MDC <br />2.58 pCi /L <br />Lab ID: C14090147- 001FMS <br />Sample Matrix Spike <br />Gross Alpha <br />136 pCi /L <br />Lab ID: C14090147 -001 FMSD <br />Sample Matrix Spike Duplicate <br />Gross Alpha <br />133 pCi /L <br />Lab ID: 014090147 -001 FMS <br />Sample Matrix Spike <br />Gross Beta <br />218 pCi /L <br />Lab ID: 014090147- 001FMSD <br />Sample Matrix Spike Duplicate <br />Gross Beta <br />225 pCi /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Report Date: 09/26/14 <br />Work Order: C14090147 <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Batch: GrAB -1843 <br />Run: TENNELEC- 3_140910A 09/12/14 06:15 <br />119 80 120 <br />Run: TENNELEC- 3_140910A 09/12/14 06:15 <br />95 80 120 <br />Run: TENNELEC -3 140910A 09/12/14 06:15 <br />U <br />Run: TENNELEC- 3_140910A 09/12/14 06:15 <br />4.7 42.4 <br />18 97.6 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 22 of 29 <br />Run: TENNELEC- 3_140910A <br />09/12/14 06:14 <br />103 <br />70 130 <br />Run: TENNELEC- 3_140910A <br />09/12/14 06:15 <br />100 <br />70 130 2.1 <br />16.7 <br />Run: TENNELEC- 3_140910A <br />09/12/14 06:15 <br />107 <br />70 130 <br />Run: TENNELEC- 3_140910A <br />09/12/14 06:15 <br />111 <br />70 130 3.2 <br />13.6 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 22 of 29 <br />