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Trust our People.Tiust our Data. <br />ii Ilni;, MT 800.735.4489 e Cas,er, i"iY 888.235.0515 <br />College Staten TX 888.690.2218 d GiPolte iJY 866.686.7175 e Helena MT 811.472.0111 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz - GW 11/24/15 S28753, S28755 <br />Report Date: 12/08/15 <br />Work Order: C151 10756 <br />Analyte <br />Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E900.0 <br />Lab ID: Th230-GrAB-2182 <br />Gross Alpha <br />Laboratory Control Sample <br />99.5 pCi/L <br />Lab ID: Sr90-GrAB-2182 Laboratory Control Sample <br />Gross Beta <br />Lab ID: MB-GrAB-2182 <br />Gross Alpha <br />Gross Alpha precision (±) <br />Gross Alpha MDC <br />Gross Beta <br />Gross Beta precision (±) <br />Gross Beta MDC <br />183 pCi/L <br />6 Method Blank <br />-0.8 pCi/L <br />0.7 pCi/L <br />1 pCi/L <br />-0.7 pCi/L <br />2 pCi/L <br />3 pCi/L <br />Run: G542M_151204A <br />94 80 120 <br />Run. G542M_151204A <br />94 80 120 <br />Run. G542M_151204A <br />Lab ID: C15110747-001FDUP 6 Sample Duplicate Run: G542M_151204A <br />Gross Alpha 1 65 pCi/L <br />Gross Alpha precision (±) 1.37 pCi/L <br />Gross Alpha MDC 1.61 pCi/L <br />Gross Beta 1.27 pCi/L <br />Gross Beta precision (±) 1.44 pCi/L <br />Gross Beta MDC 2.73 pCi/L <br />- Duplicate Beta RPD is outside of the acceptance range for this analysis However, the RER of 1.7 is less than the limit of 2 0 This batch is approved <br />Batch GrAB-2182 <br />12/07/15 19.48 <br />12/07/15 19:48 <br />12/07/15 19:48 <br />U <br />U <br />12/07/15 19:48 <br />2.3 170 4 <br />730 327.2 UR <br />Lab ID: C15110747-002FMS Sample Matrix Spike <br />Run: G542M_151204A 12/07/15 19:48 <br />Gross Alpha 92.6 pCi/L 87 70 130 <br />Lab ID: C15110747-002FMS Sample Matrix Spike <br />Run. G542M_151204A 12/07/15 19:48 <br />Gross Beta 196 pCi/L 100 70 130 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />U - Not detected at minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />R - RPD exceeds advisory limit. <br />Page 12 of 20 <br />