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Hazen Research,lnc. <br />• <br />Coors Energy Corp. <br />Donald W. MacDonald <br />PO Box 467 <br />Golden, CO 80402-0467 <br />4601 Indiana Street DATE January 24, 2006 <br />Golden. CO 80403 USA HRI PROJECT 009-18 <br />Tel: (3031 279-x501 HRI SERIES NO A064/O6 <br />Fax: (303) 278-1528 DATE RECD. 1/5/2006 <br /> COST. P.O.# None Recd <br />REPORT OF ANALYSIS <br />SAMPLE NO. A064/06-1 <br />SAMPLE IDENTIFICATION: <br />Boiler 4 Bottom Ash 12/20/2005 <br />PARAMETER <br />Gross Alpha (+_precision'), pCi/g (T) <br />Gross Beta (+_precision'), pCi/g m <br /> <br />DETECTION ANALYSIS <br />RESULT LIMIT METHOD DATE ANALYST <br />7,g(+-6.6) 4.2 EPA 900.0 (Modified) 1/12/2006 qW <br />1052 <br />11(+-6) 5.4 EPA 900.0 (Modified) 1/12/2006 AW <br />1052 <br />'Variability of the radioactive decay process (counting error) at the 95% confidence level, 1-96 sigma. <br />Certifcation ID's: CO/EPA 0000008; CT PH-0152; KY 90076; KS E-10265; NH 232805-A; <br />NYELAP 11417; PADEP 68-00551; RI LA000284; WI 998376610 <br />CODES: <br />(T) =Total (D) =Dissolved <br />(S) =Suspended (R) =Total Recoverable <br />• (PD) =Potentially Dissolved <br />< =Less Than <br />By: <br />Ro ert Rostad <br />Laboratory Manager <br />Page 1 of 2 <br />-96- <br />An Employee-Owned Company <br />