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- www.ptergylab.Com Helena, MST 877-472 -0711 • Billings, MR 800- 735 -4489 • Casper, WY 888 - 235 -0515 <br />ANWW "'Q' f�2 Gillette, WY 866486 -7175 • Rapid City, SD 888 -672 -1225 • College station, TX 888 -690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Report Date: <br />03/10/15 <br />Project: Schwartz -GW 01 -30 -15 S28127, S28129 <br />Work Order: <br />C15020026 <br />Analyte <br />Count Result Units <br />RL %REC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: E900.0 <br />Batch: GrAB -1951 <br />Lab ID: Th230 -GrAB -1951 <br />Laboratory Control Sample <br />Run: TENNELEC- 3_150210A <br />02/12/15 01:39 <br />Gross Alpha <br />141 pCi /L <br />104 80 120 <br />Lab ID: Sr90 -GrAB -1951 <br />Laboratory Control Sample <br />Run: TENNELEC- 3_150210A <br />02/12/15 01:39 <br />Gross Beta <br />158 pCi /L <br />80 80 120 <br />Lab ID: MB -GrAB -1951 <br />6 Method Blank <br />Run: TENNELEC -3 150210A <br />02/12/15 01:39 <br />Gross Alpha <br />2 pCi /L <br />Gross Alpha precision ( ±) <br />1.0 pCi /L <br />Gross Alpha MDC <br />1 pCi /L <br />Gross Beta <br />-0.4 pCi /L <br />U <br />Gross Beta precision ( ±) <br />1 pCi /L <br />Gross Beta MDC <br />2 pCi /L <br />Lab ID: C15010807- 001DDUP <br />6 Sample Duplicate <br />Run: TENNELEC- 3_150210A <br />02/12/15 01:39 <br />Gross Alpha <br />4.83 pCi /L <br />16 <br />66.3 <br />Gross Alpha precision ( ±) <br />1.37 pCi /L <br />Gross Alpha MDC <br />1.44 pCi /L <br />Gross Beta <br />8.98 pCi /L <br />4.1 <br />55.6 <br />Gross Beta precision ( ±) <br />2.14 pCi /L <br />Gross Beta MDC <br />2.71 pCi /L <br />Lab ID: C15020026- 002EMS <br />Sample Matrix Spike <br />Run: TENNELEC- 3_150210A <br />02/12/15 01:40 <br />Gross Alpha <br />322 pCi /L <br />58 70 130 <br />S <br />- Spike response is outside of the acceptance range for this analysis. Since the LCS and the Duplicate RPD are acceptable the batch is approved. <br />Lab ID: C15020026- 002EMS <br />Sample Matrix Spike <br />Run: TENNELEC- 3_150210A <br />02/12/15 01:40 <br />Gross Beta <br />246 pCi /L <br />109 70 130 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />U - Not detected at minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />S - Spike recovery outside of advisory limits. <br />Page 12 of 18 <br />