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www.e wmAab.00m Helena,MT 877472-0711 -Billings,MT 800-7354489-Casper,WY 888-235-0515 <br /> �'�a01 itaa tit Gillette.WY 866-686-7175-Rapid City,SO 886-672-1225-College Station,TX 888-690-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 06/24/14 <br /> Project: Schwartz-SW 6/2/14 S27527 TH S27533 Work Order: C14060071 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E903.0 Batch: RA226-7211 <br /> Lab ID: C14060032-001HMS Sample Matrix Spike Run:BERTHOLD 770-1_140604C 06/16/14 07:52 <br /> Radium 226 20 pCi/L 87 70 130 <br /> Lab ID: C14060032-001HMSD Sample Matrix Spike Duplicate Run:BERTHOLD 770-1_140604C 06/16/14 09:35 <br /> Radium 226 21 pCi/L 94 70 130 8.1 21.8 <br /> Lab ID: MB-RA226-7211 3 Method Blank Run: BERTHOLD 770-1 140604C 06/16/14 09:35 <br /> Radium 226 0.02 pCi/L U <br /> Radium 226 precision (±) 0.10 pCi/L <br /> Radium 226 MDC 0.2 pCi/L <br /> Lab ID: LCS-RA226-7211 Laboratory Control Sample Run:BERTHOLD 770-1_140604C 06/16/14 16:31 <br /> Radium 226 11 pCi/L 94 80 120 <br /> Method: E903.0 Batch: RA226-7214 <br /> Lab ID: C14060071-001EMS Sample Matrix Spike Run:G5000W_140605B 06/11/14 06:10 <br /> Radium 226 23 pCi/L 99 70 130 <br /> Lab ID: C14060071-001EMSD Sample Matrix Spike Duplicate Run:G5000W_140605B 06/11/14 06:10 <br /> Radium 226 24 pCi/L 104 70 130 5.2 18 <br /> Lab ID: MB-RA226-7214 3 Method Blank Run:G5000W 140605B 06/11/14 09:26 <br /> Radium 226 0.1 pCi/L <br /> Radium 226 precision(±) 0.09 pCi/L <br /> Radium 226 MDC 0.1 pCi/L <br /> Lab ID: LCS-RA226-7214 Laboratory Control Sample Run:G5000W_140605B 06/11/14 09:26 <br /> Radium 226 13 pCi/L 111 80 120 <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 28 of 38 <br />