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fiat t WWW* V8b.cam 377472-0711 • Billings, MT 890-735-4499 • Casper, WY 888-235-D515 <br />9 ,A QcdFxuoYsaSYop 1911 75 a %a c ty 3D 08472-1225•.• W11898 station, YX 888-610-2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 04/08/11 <br />Project: Schwartz SW 03/08/11 S25677-S25684 Work Order: C11030280 <br />Analyte Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: RA-05 <br />Sample ID: LCS-228-RA226-5233 Laboratory Control Sample <br />Radium 228 6.5 pCi/L <br />Sample ID: MB-RA226-5233 Method Blank <br />Radium 228 0.091 pCi/L <br />Radium 228 precision (±? 0.62 pCi/L <br />Radium 228 MDC 0.64 pCi/L <br />Sample ID: C11030205-001GMS Sample Matrix Spike <br />Radium 228 13 pCi/L <br />Sample ID: C11030205-001GMSD Sample Matrix Spike Duplicate <br />Radium 228 12 pCi/L <br />Batch: RA228-3633 <br />Run: TENNELEC-3_110315A 03/21/11 12:58 <br />91 80 120 <br />Run: TENNELEC-3_110315A 03/21/11 12:58 <br />U <br />Run: TENNELEC-3_110315A 03/21/11 12:58 <br />89 70 130 <br />Run: TENNELEC-3_110315A 03/21/11 12:58 <br />83 70 130 7.6 35.1 <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 26 of 36