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Trust our People. Trust our Data. ( Billings. MT 800.735.4489 • Caspet. 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 />Client: Cotter Corporation <br />Project: Schwartz -SW 4/02/15 S27828 <br />i <br />Analyte Count Result Units <br />Method: E900.0 <br />Lab ID: Th230-GrAB-1995 <br />Laboratory Control <br />Sample <br />Gross Alpha <br />124 <br />pCi/L <br />Lab ID: Sr90-GrAB-1995 <br />Laboratory Control Sample <br />Gross Beta <br />197 <br />pCi/L <br />Lab ID: MB-GrAB-1995 <br />6 Method Blank <br />Gross Alpha <br />3 <br />pCi/L <br />Gross Alpha precision (t) <br />1 <br />pCi/L <br />Gross Alpha MDC <br />0.9 <br />pCi/L <br />Gross Beta <br />-2 <br />pCi/L <br />Gross Beta precision (t) <br />1 <br />pCi/L <br />Gross Beta MDC <br />2 <br />pCi/L <br />Lab ID: 015040091-002ADUP <br />6 Sample Duplicate <br />Gross Alpha <br />6.55 <br />pCi/L <br />Gross Alpha precision (t) <br />1.95 <br />pCi/L <br />Gross Alpha MDC <br />1.44 <br />pCi/L <br />Gross Beta <br />1.42 <br />pCi/L <br />Gross Beta precision (t) <br />1.27 <br />pCi/L <br />Gross Beta MDC <br />2.56 <br />pCi/L <br />Lab ID: C15040126-001 DMS <br />Sample Matrix Spike <br />Gross Alpha <br />115 <br />pCi/L <br />Lab ID: C15040126-001 DMS <br />Sample Matrix Spike <br />Gross Beta <br />227 <br />pCi/L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Report Date: 04/23/15 <br />Work Order: 015040126 <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Batch: GrAB-1995 <br />Run: TENNELEC-3_150409A 04/11/15 06:21 <br />90 80 120 <br />Run: TENNELEC-3_150409A 04/11/15 06:21 <br />101 80 120 <br />Run: TENNELEC-3 150409A 04/11/15 06:21 <br />U <br />Run: TENNELEC-3_150409A 04/11/15 06:21 <br />2.7 69.3 <br />89 115.1 U <br />Run: TENNELEC-3_150409A <br />82 70 130 <br />Run: TENNELEC-3_150409A <br />115 70 130 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />04/11/15 06:20 <br />04/11/15 06:20 <br />Page 17 of 23 <br />