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^ www.ene mbb.com <br />Aea&"Endir eShwalily <br />Helena, W 871472 -0711 • Billings, W 800 - 7354489 • Casper, WY 888- 235 -0515 <br />Gillette, WY 866 -686 -7175 • Rapid City, SO 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 />10/22/13 <br />Project: Schwartz GW 9/23/13 S27095 <br />Work Order: <br />C13090867 <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 -1631 <br />Sample ID: Th230 -GrAB -1631 <br />Laboratory Control Sample <br />Run: G5000W_130928A <br />09/30/13 18:55 <br />Gross Alpha <br />111 pCi /L <br />107 <br />80 120 <br />Sample ID: Sr90 -GrAB -1631 <br />Laboratory Control Sample <br />Run: G5000W_130928A <br />09/30/13 18:55 <br />Gross Beta <br />171 pCi /L <br />95 <br />80 120 <br />Sample ID: MB -GrAB -1631 <br />6 Method Blank <br />Run: G5000W_130928A <br />09/30/13 18:55 <br />Gross Alpha <br />-1 pCi /L <br />U <br />Gross Alpha precision ( ±) <br />0.7 pCi /L <br />Gross Alpha MDC <br />1 pCi /L <br />Gross Beta <br />-1 pCi /L <br />U <br />Gross Beta precision ( ±) <br />2 pCi /L <br />Gross Beta MDC <br />3 pCi /L <br />Sample ID: C13090821- 001GDUP <br />6 Sample Duplicate <br />Run: G5000W_130928A <br />09/30/13 18:55 <br />Gross Alpha <br />4260 pCi /L <br />0.1 <br />11.9 <br />Gross Alpha precision ( ±) <br />41.0 pCi /L <br />Gross Alpha MDC <br />5.58 pCi /L <br />Gross Beta <br />431 pCi /L <br />35 <br />16.3 <br />Gross Beta precision ( ±) <br />13.6 pCi /L <br />Gross Beta MDC <br />8.55 pCi /L <br />Sample ID: 013090842 -001 DMS <br />Sample Matrix Spike <br />Run: G5000W_130928A <br />09/30/13 18:55 <br />Gross Alpha <br />80.3 pCi /L <br />50 <br />70 130 <br />S <br />- Spike response is outside of the acceptance range for this analysis Since the LCS <br />and the RPD for the MS MSD pair are acceptable, the response <br />is considered to be <br />matrix related The batch is approved <br />Sample ID: C13090842 -001 DMSD <br />Sample Matrix Spike Duplicate <br />Run: G5000W_130928A <br />09/30/13 18:55 <br />Gross Alpha <br />86.9 pCi /L <br />55 <br />70 130 8.0 <br />20.4 S <br />- Spike response is outside of the acceptance range for this analysis Since the LCS <br />and the RPD for the MS MSD pair are acceptable, the response <br />is considered to be <br />matrix related. The batch is approved. <br />Sample ID: C13090842 -001 DMS <br />Sample Matrix Spike <br />Run: G5000W_130928A <br />09/30/13 18:55 <br />Gross Beta <br />226 pCi /L <br />100 <br />70 130 <br />Sample ID: C13090842 -001 DMSD Sample Matrix Spike Duplicate <br />Gross Beta 221 pCi /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />U - Not detected at minimum detectable concentration <br />Run: G5000W_130928A 09/30/13 18:55 <br />97 70 130 2.2 14 <br />ND - Not detected at the reporting limit. <br />S - Spike recovery outside of advisory limits. <br />Page 17 of 21 <br />