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APR 2 5 2008 <br />Hazen Research, Inc. <br />4601 Indiana Street <br />Golden, GO 80403 USA <br />Tel: (303) 279-4501 <br />Fax: (303) 278-1528 <br />Evergreen Analytical, Inc. <br />Carl Smits <br />4036 Youngfield <br />Wheat Ridge, CO 80033 <br />REPORT OF ANALYSIS <br />DATE April 24, 2008 <br />HRI PROJECT 009-93 <br />HRI SERIES NO C490/08 <br />DATE RECD, 3/28/2008 <br />GUST. P.O.# 7519 <br />SAMPLE NO. C490/08-2 <br />SAMPLE IDENTIFICATION: <br />PARAMETER <br />Gross Alpha (+-Precision*), pCi/I m <br />Gross Beta (+-Precision*), pCi/I (T) <br />Radium-226 (+-Precision*), pCi/1(T) <br />Radium-228 (+-Precision*), pCi/I m <br />Total Solids, m9/1 <br />ANALYSIS <br />DATE ANALYST <br />9.0(+-1.6) 1.3 SM 7110 B 4/10/2008 RPO <br /> 0721 <br /> 1.1 SM 7110 B 4/10/2008 RPO <br /> 0721 <br /> 0.2 SM 7500-Ra B 4115/2008 RPO <br /> 1000 <br />0.2(+-0.7) 0.7 EPA Ra-05 4/10/2008 AW <br /> @1410 <br />1940 10 EPA 160.3 411/2008 LH <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 232807-A; <br />NYELAP 11417; PADEP 68-00551; RI LA000284: WI 998376610 <br />Results reported herein relate only to discrete samples submitted by the client. Hazen Research, 6y; <br />Inc. does not warrant that the results are representative of anything other than the samples that Robert ROStad <br />were received in the laboratory. <br />Laboratory Manager <br />CODES: M = Total (D) = Dissolved (S) _ Suspended (R) = Total Recoverable <br />(PD) = Potentially Dissolved - = Less Than <br />Page Z of 4 <br />An Employee-Owned Company <br />08-1960-02A, B - sampled on 03/2512008 (aj 1300 <br />DETECTION <br />RESULT LIMIT METHOD <br />CD <br />00