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_ Hazen Research,lnc. DATE February 2,2004 <br /> <br />~'~ <br />~N 4601 Indiana Street <br />ld <br />CO 80403 USA <br />G HRI PROJECT 009-18 <br />. en, <br />o <br />Tel: (303) 279-4501 HRI SERIES NO. L321/03 <br />• Fax: (303) 278-1528 DATE RECD 12/19/2003 <br /> COST. P.O.# None Recd <br />Coors Energy Corp. <br />Donald W. MacDonald <br />PO Box 467 <br />Golden, CO 80402-0467 <br /> REPORT OF ANALYSIS <br />SAMPLE NO. L321/03-1 <br />SAMPLE IDENTIFICATION: BLR 4 Bottom Ash 12/10/2003 <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 />37(+-11) 4.4 EPA 900.0 (Modified) 01/21/2004 SLM <br />@ 1925 <br />28(+_7) 5.5 EPA 900.0 (Modified) 01/21/2004 SLM <br />1925 <br />'Variability of the radioactive decay process (counting error) at the 95% confidence level, 1.96 sigma. <br />Certification ID's: CO/EPA - 0000008; CT - PH-0152; KY - 90076; KS - E-10265; NH - 232803-A; <br />NY ELAP - t t417; PA DEP 68551; 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 />Robert Rostad <br />Laboratory Manager <br />AHR-2003 -92- <br />An Employee-Owned Company <br />