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Trust our People. Trust our Data. Billings, MT 800.735.4489 • Casper, WY 888.235.0515 <br />College Station, TX 888.690.2218 • Gillette. WY 866.686.7175 • Helena, MT 877.472.0711 <br />QA/QC Summary Report <br />Prepared by Casper WY Branch <br />Method: E903.0 <br />Lab ID: MB-RA226-7616 <br />Radium 226 <br />Radium 226 precision (t) <br />Radium 226 MDC <br />Lab ID: LCS-RA226-7616 <br />Radium 226 <br />Lab ID: C15040264-002DMS <br />Radium 226 <br />Lab ID: C15040264-002DMSD <br />Radium 226 <br />3 Method Blank <br />0.1 pCi/L <br />0.1 pCi/L <br />0.2 pCi/L <br />Laboratory Control Sample <br />9.2 pCi/L <br />Sample Matrix Spike <br />17 pCi/L <br />Sample Matrix Spike Duplicate <br />20 pCi/L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Batch: RA226-7616 <br />Run: G5000W_150413A 04/21/15 07:06 <br />U <br />Run: G5000W 150413A 04/21/15 07:06 <br />88 80 120 <br />Run: G5000W 150413A 04/21/15 07:07 <br />81 70 130 <br />Run: G5000W 150413A 04/21/15 07:07 <br />95 70 130 15 49.4 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 18 of 24 <br />Revised Date: 05/26/15 <br />Client: Cotter Corporation <br />Report Date: <br />04/27/15 <br />Project: Schwartz SW 4/4/15 S27845 & S27846 <br />Work Order: <br />C15040264 <br />Analyte Count Result Units <br />RL %REC <br />Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: E903.0 <br />Batch: RA226-7615 <br />Lab ID: MB-RA226-7615 <br />3 Method Blank <br />Run: BERTHOLD 770-1150410A <br />04/20/15 08:05 <br />Radium 226 <br />0.3 pCi/L <br />Radium 226 precision (t) <br />0.1 pCi/L <br />Radium 226 MDC <br />0.1 pCi/L <br />Lab ID: LCS-RA226-7615 <br />Laboratory Control Sample <br />Run: BERTHOLD 770-1_150410A <br />04/20/15 08:05 <br />Radium 226 <br />8.8 pCi/L <br />83 <br />80 120 <br />Lab ID: C15040293-001DMS <br />Sample Matrix Spike <br />Run: BERTHOLD 770-1_150410A <br />04/20/15 09:39 <br />Radium 226 <br />19 pCi/L <br />92 <br />70 130 <br />Lab ID: C15040293-001DMSD <br />Sample Matrix Spike Duplicate <br />Run: BERTHOLD 770-1_150410A <br />04/20/15 09:39 <br />Radium 226 <br />17 pCi/L <br />84 <br />70 130 9.3 <br />49.2 <br />Method: E903.0 <br />Lab ID: MB-RA226-7616 <br />Radium 226 <br />Radium 226 precision (t) <br />Radium 226 MDC <br />Lab ID: LCS-RA226-7616 <br />Radium 226 <br />Lab ID: C15040264-002DMS <br />Radium 226 <br />Lab ID: C15040264-002DMSD <br />Radium 226 <br />3 Method Blank <br />0.1 pCi/L <br />0.1 pCi/L <br />0.2 pCi/L <br />Laboratory Control Sample <br />9.2 pCi/L <br />Sample Matrix Spike <br />17 pCi/L <br />Sample Matrix Spike Duplicate <br />20 pCi/L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Batch: RA226-7616 <br />Run: G5000W_150413A 04/21/15 07:06 <br />U <br />Run: G5000W 150413A 04/21/15 07:06 <br />88 80 120 <br />Run: G5000W 150413A 04/21/15 07:07 <br />81 70 130 <br />Run: G5000W 150413A 04/21/15 07:07 <br />95 70 130 15 49.4 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 18 of 24 <br />