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�ywww.er*r&ab.com Helena, MT 877 - 472 -0711 • Billings, MT 800 -735 -4489 • Casper, WY 888- 235 -0515 <br />Ans"MEx ahwe Man !85? Gillette, WY 866 -666 -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 />Project: Schwartz GW 1/24/13 S26788 <br />Analyte Count Result <br />Units <br />Method: E900.0 <br />02/01/13 16:48 <br />80 <br />Sample ID: Th230 -GrAB -1453 <br />Laboratory Control <br />Sample <br />Gross Alpha <br />125 <br />pCi /L <br />Sample ID: Sr90 -GrAB -1453 <br />Laboratory Control <br />Sample <br />Gross Beta <br />173 <br />pCi /L <br />Sample ID: MB -GrAB -1453 <br />6 Method Blank <br />02/01/13 16:48 <br />Gross Alpha <br />0.4 <br />pCi /L <br />Gross Alpha precision ( ±) <br />0.7 <br />pCi /L <br />Gross Alpha MDC <br />1 <br />pCi /L <br />Gross Beta <br />0.2 <br />pCi /L <br />Gross Beta precision ( ±) <br />2 <br />pCi /L <br />Gross Beta MDC <br />3 <br />pCi /L <br />Sample ID: C13010778- 001AMS <br />Sample Matrix <br />Spike <br />Gross Alpha <br />132 <br />pCi /L <br />Sample ID: C13010778- 001AMSD <br />Sample Matrix <br />Spike Duplicate <br />Gross Alpha <br />134 <br />pCi /L <br />Sample ID: C13010778- 001AMS <br />Sample Matrix <br />Spike <br />Gross Beta <br />202 <br />pCi /L <br />Sample ID: 013010778- 001AMSD <br />Sample Matrix <br />Spike Duplicate <br />Gross Beta <br />206 <br />pCi /L <br />Sample ID: C13010782- 003ADUP <br />6 Sample Duplicate <br />Gross Alpha <br />19.1 <br />pCi /L <br />Gross Alpha precision ( ±) <br />1.86 <br />pCi /L <br />Gross Alpha MDC <br />1.83 <br />pCi /L <br />Gross Beta <br />3.31 <br />pCi /L <br />Gross Beta precision ( ±) <br />1.69 <br />pCi /L <br />Gross Beta MDC <br />2.69 <br />pCi /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Report Date: 02/13/13 <br />Work Order: C13010781 <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Batch: GrAB -1453 <br />Run: G5000W 130131A 02/01/13 16:48 <br />118 80 120 <br />Run: G5000W 130131A 02/01/13 16:48 <br />94 80 120 <br />Run: G5000W_130131A 02/01/13 16:48 <br />U <br />U <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 20 of 24 <br />Run: G5000W 130131A <br />02/01/13 16:48 <br />80 <br />70 130 <br />Run: G5000W_130131A <br />02/01/13 16:48 <br />82 <br />70 130 <br />1.9 <br />16.4 <br />Run: G5000W 130131A <br />02/01/13 16:48 <br />100 <br />70 130 <br />Run: G5000W_130131A <br />02/01/13 16:48 <br />101 <br />70 130 <br />1.7 <br />14 <br />Run: G5000W_130131A <br />02/02/13 05:09 <br />24 <br />30.9 <br />61 <br />78 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 20 of 24 <br />