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www.energylab.com Helena, IF 677- 472 -0711 • Billings, MT 600 - 735 -4489 • Casper, WY 888 -235 -0515 <br />n &Cohm Rk# 1152 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 />02/06/13 <br />Project: Schwartz GW 1/22/13 SSTF: S26783 <br />Work Order: <br />C13010694 <br />Analyte <br />Count Result <br />Units <br />RL %REC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: E900.0 <br />Batch: GrAB -1451 <br />Sample ID: Th230 -GrAB -1451 <br />Laboratory Control <br />Sample <br />Run: G542M_130128A <br />01/31/13 16:57 <br />Gross Alpha <br />109 <br />pCi /L <br />107 80 120 <br />Sample ID: Sr90 -GrAB -1451 <br />Laboratory Control <br />Sample <br />Run: G542M_130128A <br />01/31/13 16:57 <br />Gross Beta <br />165 <br />pCi /L <br />90 80 120 <br />Sample ID: MB -GrAB -1451 <br />6 Method Blank <br />Run: G542M_130128A <br />01/31/13 16:57 <br />Gross Alpha <br />0.1 <br />pCi /L <br />U <br />Gross Alpha precision ( ±) <br />0.7 <br />pCi /L <br />Gross Alpha MDC <br />1 <br />pCi /L <br />Gross Beta <br />-0.5 <br />pCi /L <br />U <br />Gross Beta precision ( ±) <br />1 <br />pCi /L <br />Gross Beta MDC <br />3 <br />pCi /L <br />Sample ID: C13010691 -003BDUP <br />6 Sample Duplicate <br />Run: G542M_130128A <br />01/31/13 16:57 <br />Gross Alpha <br />1.04 <br />pCi /L <br />190 <br />304.4 U <br />Gross Alpha precision ( ±) <br />1.09 <br />pCi /L <br />Gross Alpha MDC <br />1.74 <br />pCi /L <br />Gross Beta <br />2.71 <br />pCi /L <br />54 <br />156.6 <br />Gross Beta precision ( ±) <br />1.60 <br />pCi /L <br />Gross Beta MDC <br />2.60 <br />pCi /L <br />Sample ID: C13010707 -004AMS <br />Gross Alpha <br />Sample ID: C13010707 -004AMSD <br />Gross Alpha <br />Sample ID: C13010707- 004AMS <br />Gross Beta <br />Sample ID: C13010707 -004AMSD <br />Gross Beta <br />Sample Matrix Spike <br />101 pCi /L <br />Sample Matrix Spike Duplicate <br />113 pCi /L <br />Sample Matrix Spike <br />179 pCi /L <br />Sample Matrix Spike Duplicate <br />192 pCi /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Run: G542M 130128A 01/31/13 16:58 <br />85 70 130 <br />Run: G542M_130128A 01/31/13 16:58 <br />96 70 130 12 17.1 <br />Run: G542M 130128A 01/31/13 16:58 <br />90 70 130 <br />Run: G542M_130128A 01/31/13 16:58 <br />96 70 130 6.8 14.1 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 15 of 19 <br />