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• www.werg0ab.com Helena,btf 877-472-0711 •Billings,MIT 600-7354489•Casper,WY 888-235-0515 <br /> l Gillette,WY 866-686-7175•Rapid City,SD 888-672-1225•College Station,YX 888-690-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper,WY Branch <br /> Client: Cotter Corporation Report Date: 06/13/14 <br /> Project: Schwartz-GW 5/21/14 S27511 Work Order: C14050681 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E900.0 Batch:GrAB-1749 <br /> Lab ID: Th230-GrAB-1749 Laboratory Control Sample Run:G5000W_140528A 05/29/14 12:49 <br /> Gross Alpha 124 pCi/L 108 80 120 <br /> Lab ID: Sr90-GrAB-1749 Laboratory Control Sample Run:G5000W_140528A 05/29/14 12:49 <br /> Gross Beta 195 pCi/L 97 80 120 <br /> Lab ID: MB-GrAB-1749 6 Method Blank Run:G5000W_140528A 05/29/14 12:49 <br /> Gross Alpha 0.1 pCi/L U <br /> Gross Alpha precision(±) 0.8 pCi/L <br /> Gross Alpha MDC 1 pCi/L <br /> Gross Beta -1 pCi/L U <br /> Gross Beta precision(±) 2 pCi/L <br /> Gross Beta MDC 3 pCi/L <br /> Lab ID: C14050607-002ADUP 6 Sample Duplicate Run:G5000W_140528A 05/29/14 12:49 <br /> Gross Alpha 4.65 pCi/L 14 68.3 <br /> Gross Alpha precision(±) 1.34 pCi/L <br /> Gross Alpha MDC 1.86 pCi/L <br /> Gross Beta 1.98 pCi/L 64 156.6 U <br /> Gross Beta precision(±) 1.78 pCi/L <br /> Gross Beta MDC 2.91 pCi/L <br /> Lab ID: C14050681-001FMS Sample Matrix Spike Run:G5000W_140528A 05/29/14 12:49 <br /> Gross Alpha 605 pCi/L -32 70 130 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 the <br /> MS/MSD pair are acceptable;this batch is approved. <br /> Lab ID: C14050681-001FMSD Sample Matrix Spike Duplicate Run:G5000W_140528A 05/29/14 12:49 <br /> Gross Alpha 628 pCi/L -12 70 130 3.7 12.9 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 the <br /> MS/MSD pair are acceptable;this batch is approved. <br /> Lab ID: C14050681-001FMS Sample Matrix Spike Run:G5000W_140528A 05/29/14 12:49 <br /> Gross Beta 275 pCi/L 100 70 130 <br /> Lab ID: C14050681-001FMSD Sample Matrix Spike Duplicate Run:G5000W_140528A 05/29/14 12:49 <br /> Gross Beta 229 pCi/L 77 70 130 18 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration S-Spike recovery outside of advisory limits. <br /> U-Not detected at minimum detectable concentration <br /> Page 17 of 21 <br />