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- www.energylail com Helena, MT 811472 -0711 • Billings, MT 806- 7354489 • Casper, WY 888 -235 -0515 <br />AadWWEaaelr cask .IW J Gillette, WY UB -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 Report Date: 10/18/13 <br />Project: Schwartz GW 9/24/13 S27176 & S27177 Work Order: 013090929 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E900.0 Batch: GrAB -1632 <br />Sample ID: Th230 -GrA &1632 Laboratory Control Sample Run: G542M_130930A 10/02/13 18:23 <br />Gross Alpha 105 pCi /L 99 80 120 <br />Sample ID: Sr90 -GrAB -1632 <br />Gross Beta <br />Sample ID: MB -GrAB -1632 <br />Gross Alpha <br />Gross Alpha precision (±) <br />Gross Alpha MDC <br />Gross Beta <br />Gross Beta precision ( ±) <br />Gross Beta MDC <br />Sample ID: C13090929- 002FMS <br />Gross Alpha <br />Laboratory Control Sample <br />170 pCi /L <br />6 Method Blank <br />31.3 <br />2 <br />pCi /L <br />0.8 <br />pCi /L <br />1 <br />pCi /L <br />0.3 <br />pCi /L <br />1 <br />pCi /L <br />2 <br />pCi /L <br />Sample Matrix Spike <br />391 pCi /L <br />Run: G542M_130930A 10/02/13 18:23 <br />94 80 120 <br />Run: G542M_130930A 10/02/13 18:23 <br />U <br />Run: G542M_130930A 10/02/13 18.23 <br />75 70 130 <br />Sample ID: C13090929- 002FMSD Sample Matrix Spike Duplicate Run: G542M_130930A 10/02/13 18:23 <br />Gross Alpha 371 pCi /L 57 70 130 5.1 13.6 S <br />- Sample activity for this radionuclide is much larger than the spike activity added Therefore the matrix spike recovery could not be calculated The LCS and the RPD of th <br />MS /MSD pair are acceptable, this batch is approved <br />Sample ID: C13090929- 002FMS Sample Matrix Spike Run: G542M_130930A 10/02/13 18:23 <br />Gross Beta 213 pCi /L 100 70 130 <br />Sample ID: C13090929- 002FMSD <br />Gross Beta <br />Sample ID: C13090946- 003EDUP <br />Gross Alpha <br />Gross Alpha precision ( ±) <br />Gross Alpha MDC <br />Gross Beta <br />Gross Beta precision ( ±) <br />Gross Beta MDC <br />Sample Matrix Spike Duplicate <br />214 pCi /L <br />6 Sample Duplicate <br />31.3 <br />pCi /L <br />3.08 <br />pCi /L <br />3.27 <br />pCi /L <br />31.3 <br />pCi /L <br />2.66 <br />pCi /L <br />3.52 <br />pCi /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />U - Not detected at minimum detectable concentration <br />Run: G542M_130930A 10/02/13 18:23 <br />100 70 130 0.4 13.8 <br />Run: G542M_130930A 10/03/13 08:44 <br />5.3 29.9 <br />2.4 27.2 <br />ND - Not detected at the reporting limit. <br />S - Spike recovery outside of advisory limits. <br />Page 18 of 23 <br />