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ENERGY <br />L.AHORAT'ORIES <br />Analyte <br />Client: Cotter Corporation <br />Project: Schwartz GW 9/19/12 S26642 <br />Method: E900.0 <br />Sample ID: Th230 -GrAB -1366 <br />Gross Alpha <br />Sample ID: Sr90 -GrAB -1366 Laboratory Control Sample <br />Gross Beta 174 pCi /L 95 80 120 <br />Sample ID: MB -GrAB -1366 <br />Gross Alpha <br />Gross Alpha precision ( ±) <br />Gross Alpha MDC <br />Gross Beta <br />Gross Beta precision ( ±) <br />Gross Beta MDC <br />6 Method Blank <br />-0.3 pCi /L <br />0.6 pCi /L <br />1 pCi /L <br />-1.0 pCi /L <br />2 pCi /L <br />3 pCi /L <br />Sample ID: C12090715- 007DDUP 6 Sample Duplicate Run: G5000W_121008A <br />Gross Alpha -3.63 pCi /L <br />Gross Alpha precision ( ±) 3.17 pCi /L <br />Gross Alpha MDC 5.57 pCi /L <br />Gross Beta -1.40 pCi /L 870 336.8 UR <br />Gross Beta precision ( ±) 3.14 pCi /L <br />Gross Beta MDC 5.32 pCi /L <br />- The Sample and the Duplicate are both below the MDC, the Gross Beta RPD is acceptable. <br />Sample ID: C12090750 -003AMS Sample Matrix Spike Run: G5000W_121008A 10/09/12 17:04 <br />Gross Alpha 213 pCi /L 105 70 130 <br />Sample ID: 012090750 -003AMSD Sample Matrix Spike Duplicate Run: G5000W_121008A 10/10/12 05:06 <br />Gross Alpha 224 pCi /L 110 70 130 5.0 13.6 <br />Sample ID: C12090750 -003AMS Sample Matrix Spike Run: G5000W_121008A 10/10/12 05:06 <br />Gross Beta 166 pCi /L 91 70 130 <br />Sample ID: C12090750- 003AMSD Sample Matrix Spike Duplicate Run: G5000W_121008A 10/10/12 05:06 <br />Gross Beta 164 pCi /L 89 70 130 1.3 14.1 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />U - Not detected at minimum detectable concentration <br />www.energylab.com i Helena, MT 677- 412 -0711 • Billings, MT 800 - 735 - 4489 • Casper, WY 888 235 - 0515 <br />Analytical Excellence Sines 1052 J Gillette, WY 866 - 686 -7175 • Rapid City, SD 888 -612 -1225 • College Station, TX 888 - 690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Revised Date: 10/26/12 <br />Report Date: 10/1 7/1 2 <br />Work Order: 012090732 <br />Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Laboratory Control Sample <br />215 pCl /L <br />Run: G5000W_121008A <br />105 80 120 <br />Batch: GrAB -1366 <br />10/09/12 17:04 <br />Run: G5000W_121008A 10/09/12 17:04 <br />Run: G5000W_121008A <br />ND - Not detected at the reporting limit. <br />R - RPD exceeds advisory limit. <br />10/09/12 17:04 <br />U <br />U <br />10/09/12 17:04 <br />50 205.6 U <br />Page 16 of 21 <br />