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• Trust our People. Trust our Data. Billings, MT 800.735.4489 • Casper. WY 888.135.0515 <br />l G 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 />Report Date: <br />04/10/15 <br />Project: Schwartz -GW 3/25/15 S28144,S28145 <br />Work Order: <br />C15030828 <br />Analyte <br />Count Result Units <br />RL %REC <br />Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: E900.0 <br />Batch: GrAB-1989 <br />Lab ID: Th230-GrAB-1989 <br />Laboratory Control Sample <br />Run: TENNELEC-3_150330B <br />04/03/15 01:01 <br />Gross Alpha <br />135 pCi/L <br />100 <br />80 120 <br />Lab ID: MB-GrAB-1989 <br />3 Method Blank <br />Run: TENNELEC-3_150330B <br />04/03/15 01:01 <br />Gross Alpha <br />-0.1 pCi/L <br />U <br />Gross Alpha precision (±) <br />0.7 pCi/L <br />Gross Alpha MDC <br />1 pCi/L <br />Lab ID: C15030828-001CDUP <br />3 Sample Duplicate <br />Run: TENNELEC-3_150330B <br />04/03/15 01:01 <br />Gross Alpha <br />29.7 pCi/L <br />18 <br />52.5 <br />Gross Alpha precision (±) <br />6.33 pCi/L <br />Gross Alpha MDC <br />1.49 pCi/L <br />Lab ID: C15030838-002AMS <br />Sample Matrix Spike <br />Run: TENNELEC-3_150330B <br />04/03/15 01:01 <br />Gross Alpha <br />116 pCi/L <br />84 <br />70 130 <br />Method: E900.0 <br />Batch: GrAB-1993 <br />Lab ID: Sr9D-GrAB-1993 <br />Laboratory Control Sample <br />Run: TENNELEC-3_150406A <br />04/08/15 05:21 <br />Gross Beta <br />203 pCi/L <br />103 <br />80 120 <br />Lab ID: MB-GrAB-1993 <br />3 Method Blank <br />Run: TENNELEC-3_150406A <br />04/08/15 05:21 <br />Gross Beta <br />-0.2 pCi/L <br />U <br />Gross Beta precision (±) <br />1 pCi/L <br />Gross Beta MDC <br />2 pCi/L <br />Lab ID: C15040089-001ADUP <br />3 Sample Duplicate <br />Run: TENNELEC-3_150406A <br />04/08/15 05:21 <br />Gross Beta <br />23.4 pCi/L <br />3.6 <br />59.6 <br />Gross Beta precision (±) <br />5.53 pCi/L <br />Gross Beta MDC <br />8.67 pCi/L <br />Lab ID: C15040089-002AMS <br />Sample Matrix Spike <br />Run: TENNELEC-3_150406A <br />04/08/15 05:21 <br />Gross Beta <br />275 pCi/L <br />111 <br />70 130 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 10 of 15 <br />