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NIIIZEN <br />• <br />Coors Energy Corp. <br />Donald W. MacDonald <br />PO Box 467 <br />Golden. CO 80402-0467 <br />Hazen Research, Inc. <br />4601 Indiana Street • Golden, CO 80403 <br />TeP (303)279-4501 <br />Fax: (303)278-1528 <br />DATE January 7, 2000 <br />HRI PROJECT 009.18 <br />HRI SERIES NO. L141/99 <br />DATE RECD 12/09/1999 <br />CUST. P.O.p None Recd <br />REPORT OF ANALYSIS <br />SAMPLE NO. L141/99-1 <br />SAMPLE IDENTIFICATION: Bottom Ash <br />PARAMETER RESULT <br />Gross Alpha (+-Precision'), pCi/g (T) 34(+.10) <br />Gross Beta (+-Precision'), pCi/g (T) 30(+.7) <br />u <br />DETECTION ANALYSIS <br />LIMIT METHOD DATE ANALYST <br />3 EPA 900.0 (Modified) 12!2911999 EDF <br /> @ 0830 <br />5 EPA 900.0 (Modified) 12/29/1999 EDF <br /> @ 0830 <br />'Variability of the radioactive decay process (counting error) at the 95% confidence level, 1.96 sigma. <br />Certification ID's: CO/U.S EPA Region VIII - XM, CT - PH-0152; KY - 90076; KS - E-10265; NH - 232899-A; <br />NY ELAP - 11417; PA DEP 68551. WI-998376610 <br />CODES: By <br />(T) =Total (D) =Dissolved Robert Rostad <br />(S) =Suspended (R)=Total Recoverable Laboratory Manager <br />(PD) =Potentially Dissolved <br />. < =Less Than <br />An EmIi1~7yCe~Ov.-nrtl Crnnhany <br />AHR-1999 -87- <br />