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5 <br />' ~ <br />~ F41ZEN <br />Coors Energy Corp. <br />Donald W. MacDonald" <br />PO Box 467 <br />Golden, CO 80402-0467 <br />SAMPLE NO. F228/03-1 <br />SAMPLE IDENTIFICATION: <br />Hazen Fresearch, Inc. DATE July 18, 2003 <br />4601 Indiana Street HRI PROJECT 009-18 <br />Golden. CCa 80403 USA <br /> <br />Tel: (303) 279-4501 HRI SERIES NO. F228/03 <br />Fax: (303) 27g-1528 DATE RECD 06/10/2003 <br /> CUST. P.O.# None Recd <br />t <br />. ! <br />REPORT OF ANALYSIS <br />Boile,~ 5 -Fly Ash - 06/09/2003 <br />PARAMETER ~ <br />Gross Alpha (+-Precision`), pCi/g (T) ; <br />Gross BeSa (+_precision'), pCi/g m~ <br />.ice <br />L t <br /> DETECTION ANALYSIS <br />RESULT LIMIT METHOD DATE ANALYST <br />40(+-12) 4.7 EPA 900.0 (Modified) 07/15/2003 RPO <br /> 0915 <br />31(+-7) 3.7 EPA 900.0 (Modified) 07/15/2003 RPO <br /> @ 0915 <br /> <br />~~. <br />1 <br />'Variability of the radioactive decay process (counting error) tat the 95% confidence level, 1.96 sigma. <br />Certification ID's: CO/EPA - 0000008; CT - PH-0152; KY - 9L~076; KS - E-10265; NH - 232801-A; <br />NY ELAP - 11417; PA DEP 68551; WI - 998376610 <br />CODES: <br />m =Total (D) =Dissolved <br />(S) =Suspended (R) =Total Recoverable <br />(PD) =Potentially Dissolved <br />< =Less Than <br />An <br />'', <br />1 <br />\~ <br />~~/ <br />By: C~ <br />Robert Rostad <br />Laboratory Manager <br />Company <br />