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FVIZEN <br />~ a <br />Coors Energy Corp. <br />Donald W. MacDonald <br />PO Box 467 <br />Golden, CO 80402-0467 <br />SAMPLE NO. L226/98-1 <br />SAMPLE IDENTIFICATION: <br />Hazen Research, Inc. <br />4601 Indiana SI. • Golden, CO 80403 <br />Tel: (303) 279-4501 <br />Fax: (303)278-1528 <br />REPORT OF ANALYSIS <br />Bottom Ash 12/07/98 <br />Gross Alpha (+-precision'), pCi/g (T) <br />Gross Beta (+-Precision'), pCi/g (T) <br />• <br />RESULT <br />39(+-11) <br />20(+-7) <br />DATE January 5, 1999 <br />HRI PROJECT 009-18 <br />HRI SERIES NO L226/98 <br />DATE RECD 12/11/98 <br />COST P O n None Recd <br />DETECTION ANALYSIS <br />LIMIT METHOD DATE ANALYST <br />4 EPA 900.0 (Modified) 12/23/98 EDF <br /> 0830 <br />6 EPA 900 0 (Modifed) 12/23/98 EDF <br /> 0830 <br />'Variability of the radioactive decay process (counting error) at the 95% confidence level, 1.96 sigma. <br />Certification Authority Lab ID's: CO/U.S. EPA Region VIII - XM; CT - PH-0152; KY - 90076, KS - E-10265, <br />NH - 232897-A; NY ELAP - 11417; PA DEP 68551 <br />CODES: <br />(T) =Total (D) =Dissolved <br />(S) =Suspended (R) =Total Recoverable <br />• (PD) = Potentially Dissolved <br />= Less Than <br />A H R-1998 <br />~~]""' <br />By: <br />Robed Rostad <br />Laboratory Manager <br />-97- <br />