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www.emilylab.com Helena, MT 877- 472 -0711 - Billings, MT 808 -735 -4469 - Casper, WY 888- 235 -0515 <br />E=dW V= rdst J Gillette, WY 866- 606 -7175 *Rapid City, SD 886 -672 -1225 *College Station, T% 888 -690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz -GW 7/10/13 S27017 <br />Report Date: <br />Work Order: <br />08/08/13 <br />013070431 <br />FAnalyte <br />Count Result Units <br />RL ° /.REC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: E900.0 <br />Batch: GrAB -1581 <br />Sample ID: Th230 -GrAB -1581 <br />Laboratory Control Sample <br />Run: G542M_130716A <br />07/19/13 17:20 <br />Gross Alpha <br />108 pCi /L <br />103 80 120 <br />Sample ID: Sr9t1 -GrAB -1581 <br />Laboratory Control Sample <br />Run: G542M_130716A <br />07/19/13 17:20 <br />Gross Beta <br />166 pCi /L <br />92 80 120 <br />Sample ID: MB -GrAB -1581 <br />6 Method Blank <br />Run: G542M_130716A <br />07/19/13 17:20 <br />Gross Alpha <br />-0.4 pCi /L <br />U <br />Gross Alpha precision ( ±) <br />0.6 pCi /L <br />Gross Alpha MDC <br />1 pCi /L <br />Gross Beta <br />0.09 pCi /L <br />U <br />Gross Beta precision ( ±) <br />1 pCi /L <br />Gross Beta MDC <br />2 pCi /L <br />Sample ID: C13070379- 003FDUP <br />6 Sample Duplicate <br />Run: G542M_130716A <br />07/19/13 17:20 <br />Gross Alpha <br />20.1 pCi /L <br />11 <br />32.7 <br />Gross Alpha precision ( ±) <br />2.23 pCi /L <br />Gross Alpha MDC <br />2.44 pCi /L <br />Gross Beta <br />4.16 pCi /L <br />18 <br />98.8 <br />Gross Beta precision ( ±) <br />2.02 pCi /L <br />Gross Beta MDC <br />3.21 pCi /L <br />Sample 10: C13070448- 002EMS <br />Gross Alpha <br />Sample ID: C13070448- 002EMSD <br />Gross Alpha <br />Sample ID: C13070448- 002EMS <br />Gross Beta <br />Sample ID: C13070448- 002EMSD <br />Gross Beta <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Sample Matrix Spike <br />113 pCi /L <br />Sample Matrix Spike Duplicate <br />108 pCi /L <br />Sample Matrix Spike <br />199 pCi /L <br />Sample Matrix Spike Duplicate <br />200 pCi /L <br />Run: G542M_130716A 07/20/13 06:46 <br />90 70 130 <br />Run: G542M_130716A 07/20/13 06.46 <br />85 70 130 4.5 16.6 <br />Run: G542M_130716A 07/20/13 06:46 <br />104 70 130 <br />Run: G542M_130716A 07/20/13 06:46 <br />105 70 130 0.5 13.8 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 16 of 20 <br />