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Et\ERGY <br />t-1BORATORiES <br />Client: ' Cotter Corporation <br />Project: Schwartz SW 7/13/11 S25884- S25886 <br />Analyte Count <br />Method: E903.0 <br />Sample ID: 011070647 -001 BMS <br />Radium 226 <br />Sample ID: C11070647 -001 BMSD <br />Radium 226 <br />Sample ID: MB -RA226 -5520 <br />Radium 226 <br />Radium 226 precision ( ±) <br />Radium 226 MDC <br />Sample ID: LCS -RA226 -5520 <br />Radium 226 <br />Method: E903.0 <br />Sample ID: 011070456- 006CMS <br />Radium 226 <br />Sample ID: 011070456- 006CMSD <br />Radium 226 <br />Sample ID: MB -RA226 -5515 <br />Radium 226 <br />Radium 226 precision ( ±) <br />Radium 226 MDC <br />Sample ID: LCS -RA226 -5515 <br />Radium 226 <br />www.energylab.com <br />Analytical Exalt= Slaee 1952 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Result Units <br />Sample Matrix Spike <br />11 pCi /L <br />Sample Matrix Spike Duplicate <br />12 pCi /L <br />3 Method Blank <br />-0.04 <br />0.07 <br />0.2 <br />pCi /L <br />pCi /L <br />pCi /L <br />Laboratory Control Sample <br />12 pCi /L <br />Sample Matrix Spike <br />27 pCi /L <br />Sample Matrix Spike Duplicate <br />27 pCi /L <br />3 Method Blank <br />0.02 <br />0.1 <br />0.2 <br />pCi /L <br />pCi /L <br />pCi /L <br />Laboratory Control Sample <br />14 pCi /L <br />Helena, MT 877- 412 -0711 o Billings, MT 800 - 735 -4489 9 Casper, WY 888- 235 -0515 <br />Gillette, WY 866-686-717,50 Rapid City, SD 888 -612 -1225 0 College Station, TX 888- 690 -2218 <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Run: BERTHOLD 770- 2_110720A <br />89 70 130 <br />Run: BERTHOLD 770- 2_110720A 07/26/11 22:15 <br />94 70 130 5.9 21.4 <br />Run: BERTHOLD 770- 2_110720A <br />Run: BERTHOLD 770- 2_110720A <br />97 85 115 <br />Run: G5000W_110719A <br />107 70 130 <br />Run: G5000W 110719A <br />106 70 130 <br />Run: G5000W 110719A <br />Run: 05000W_110719A <br />111 85 115 <br />Report Date: 08/10/11 <br />Work Order: C11070522 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Batch: RA226 -5520 <br />07/26/11 22:15 <br />Page 21 of 28 <br />07/26/11 23:59 <br />U <br />07/26/11 23:59 <br />Batch: RA226 -5515 <br />08/01/11 12:10 <br />08/01/11 12:10 <br />1.6 21.4 <br />08/01/11 13:44 <br />U <br />08/01/11 13:44 <br />