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® Trust our People.Trust our Data. Billings,MT 800.735.4489•Casper,WY$88.235.0515 <br /> ry www.energylab.com College Station,Tx 888.690.2218•Gillette,WY 066.686.7175•Helena,MT 877.472.0711 <br /> QA/QC Summary Report <br /> Prepared by Casper,WY Branch <br /> Client: Cotter Corporation Report Date: 08/25/16 <br /> Project: Schwartz-GW 7/29/16 S29118 Work Order: C16080013 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E900.0 Batch:GrAB-2255 <br /> Lab ID: Th230-GrAB-2255 Laboratory Control Sample Run:G542M_160822A 08/24/16 00:19 <br /> Gross Alpha 87.7 pCi/L 88 80 120 <br /> Lab ID: Sr90-GrAB-2255 Laboratory Control Sample Run:G542M_160822A 08/24/16 00:19 <br /> Gross Beta 168 pCi/L 88 80 120 <br /> Lab ID: MB-GrAB-2255 6 Method Blank Run:G542M_160822A 08/24/16 00:19 <br /> Gross Alpha -0.5 pCi/L U <br /> Gross Alpha precision(t) 0.8 pCi/L <br /> Gross Alpha MDC 1 pCi/L <br /> Gross Beta -0.7 pCi/L U <br /> Gross Beta precision(t) 2 pCi/L <br /> Gross Beta MDC 3 pCi/L <br /> Lab ID: C16080514-002EMS Sample Matrix Spike Run:G542M_160822A 08/24/16 00:19 <br /> Gross Alpha 93.9 pCi/L 89 70 130 <br /> Lab ID: C16080514-002EMSD Sample Matrix Spike Duplicate Run:G542M_160822A 08/24/16 00:19 <br /> Gross Alpha 102 pCi/L 97 70 130 7.9 50.2 <br /> Lab ID: C16080514-002EMS Sample Matrix Spike Run:G542M_160822A 08/24/16 00:19 <br /> Gross Beta 213 pCi/L 106 70 130 <br /> Lab ID: C16080514-002EMSD Sample Matrix Spike Duplicate Run:G542M_160822A 08/24/16 00:19 <br /> Gross Beta 214 pCi/L 106 70 130 0.5 30.6 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration U-Not detected at minimum detectable concentration <br /> Page 10 of 14 <br />