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�--) Trust our People. Trust our Data. Billings, MT 800.735.4489 • Caspet, WY 888.235.0515 <br />l College Station, TX 888.690.2218 • Gillette. WY 866.686.7175 • Helena, MT 877.472.0711 <br />QA/QC Summary Report <br />Pranarari by C..acnar WY Branch <br />�..----•--------------• ray <br />Client: Cotter Corporation <br />Project: Schwartz SW 4/4/15 S27845 & S27846 <br />Analyte Count Result <br />Units <br />Method: RA -05 <br />Lab ID: LCS-228-RA226-7616 <br />Laboratory Control Sample <br />Radium 228 <br />6.8 <br />pCi/L <br />Lab ID: MB-RA226-7616 <br />3 Method Blank <br />Radium 228 <br />0.2 <br />pCi/L <br />Radium 228 precision (t) <br />0.8 <br />pCi/L <br />Radium 228 MDC <br />1 <br />pCi/L <br />Lab ID: C15040269-001CMS <br />Sample Matrix Spike <br />Radium 228 <br />17 <br />pCi/L <br />Lab ID: C15040269-001CMSD <br />Sample Matrix Spike Duplicate <br />Radium 228 <br />16 <br />pCi/L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Revised Date: 05/26/15 <br />Report Date: 04/27/15 <br />Work Order: C15040264 <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Batch: RA228-4910 <br />Run: TENNELEC-3_150413D 04/16/15 12:39 <br />104 80 120 <br />Run: TENNELEC-3 150413D 04/16/15 12:39 <br />U <br />Run: TENNELEC-3_150413D 04/16/15 12:39 <br />124 70 130 <br />Run: TENNELEC-3_150413D 04/16/15 12:39 <br />121 70 130 2.4 52.4 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 19 of 24 <br />