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� www.eiwdab.com Helena,MT 877 472-0711 •Billings,MT 801-735-4482•Casper,WY 888-235-0515 <br /> - Asry�ra/ExcedubMa saga rssr Gillette,WY 866-686-7175•Rapid City,SD 886-672-1225•College Station,TX 888-600-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 06/02/14 <br /> Project: Schwartz-SW 5/1/14 S27472 thru S27475 and S27467 Work Order: C14050155 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Dual <br /> Method: E903.0 Batch: RA226-7180 <br /> Lab ID: C14050046-001GMS Sample Matrix Spike Run:G542M_140507A 05/19/14 07:12 <br /> Radium 226 23 pCi/L 103 70 130 <br /> Lab ID: C14050046-001GMSD Sample Matrix Spike Duplicate Run:G542M_140507A 05/19/14 07:12 <br /> Radium 226 24 pCi/L 103 70 130 0.3 20.8 <br /> Lab ID: MB-RA226-7180 3 Method Blank Run:G542M 140507A 05/19/14 08:53 <br /> Radium 226 0.05 pCi/L U <br /> Radium 226 precision(±) 0.1 pCi/L <br /> Radium 226 MDC 0.2 pCi/L <br /> Lab ID: LCS-RA226-7180 Laboratory Control Sample Run:G542M_140507A 05/19/14 08:53 <br /> Radium 226 12 pCi/L 103 80 120 <br /> Method: E903.0 Batch: RA226-7189 <br /> Lab ID: C14030242-001BDUP 3 Sample Duplicate Run:TENNELEC-3_140513C 05/20/14 05:42 <br /> Radium 226 38 pCi/L 13 20.3 <br /> Radium 226 precision(±) 2.0 pCi/L <br /> Radium 226 MDC 0.38 pCi/L <br /> Lab ID: C14030242-002BDUP 3 Sample Duplicate Run:TENNELEC-3_140513C 05/20/14 05:42 <br /> Radium 226 40 pCi/L 3.7 20.2 <br /> Radium 226 precision(±) 2.1 pCi/L <br /> Radium 226 MDC 0.38 pCi/L <br /> Lab ID: C14050155-005EMS Sample Matrix Spike Run:TENNELEC-3_140513C 05/20/14 05:42 <br /> Radium 226 19 pCi/L 83 70 130 <br /> Lab ID: LCS-RA226-7189 Laboratory Control Sample Run:TENNELEC-3_140513C 05/20/14 07:18 <br /> Radium 226 10 pCi/L 90 80 120 <br /> Lab ID: MB-RA226-7189 3 Method Blank Run:TENNELEC-3_140513C 05/20/14 07:18 <br /> Radium 226 0.07 pCi/L U <br /> Radium 226 precision(±) 0.08 pCi/L <br /> Radium 226 MDC 0.1 pCi/L <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 27 of 35 <br />