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www.energylab.com Helena, liar 871472 -0711 • Billings, MY 800 - 7354489 • Casper, WY 888- 235 -0515 <br />- Auf,41W &a&W RM 1931 Gillette, WY 866 -686 -7175 • Rapid City, SD 886 -672 -1225 • College Station, TX 888 -690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz -GW 9/4/14 S27662 <br />Analyte Count Result Units <br />Method: E903.0 <br />Lab ID: C14090228- 001EMS <br />Sample Matrix Spike <br />Radium 226 <br />220 pCi /L <br />Lab ID: 014090228- 001EMSD <br />Sample Matrix Spike Duplicate <br />Radium 226 <br />220 pCi /L <br />Lab ID: MB -RA226 -7359 <br />3 Method Blank <br />Radium 226 <br />0.2 pCi /L <br />Radium 226 precision ( ±) <br />0.1 pCi /L <br />Radium 226 MDC <br />0.1 pCi /L <br />Lab ID: LCS -RA226 -7359 <br />Laboratory Control Sample <br />Radium 226 <br />12 pCi /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Report Date: 09/24/14 <br />Work Order: C14090228 <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Batch: RA226 -7359 <br />Run: TENNELEC- 3_140909F 09/22/14 13:26 <br />89 70 130 <br />Run: TENNELEC- 3_140909F 09/22/14 13:26 <br />89 70 130 0.0 13.3 <br />Run: TENNELEC -3 140909F 09/22/14 13:25 <br />Run: TENNELEC- 3_140909F 09/22/14 13:25 <br />104 80 120 <br />ND - Not detected at the reporting limit. <br />Page 10 of 14 <br />