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® Hazen Research, Inc. DATE June 1, 2010 <br />4601 Indiana Street HRI PROJECT 009-93 <br />`'A w, <br />KAZEN Golden, CO 80403 USA HRI SERIES NO E056/10 <br />® Tel: (303) 279-4501 DATE RECD. 5/3/2010 <br />Fax: (303) 278-1528 CUST. P.O.# D12932 <br />Accutest Mountain States <br />Tiffany Pham <br />4036 Youngfield <br />Wheat Ridge, CO 80033 <br />REPORT OF ANALYSIS <br />SAMPLE NO. E056/10-2 <br />SAMPLE IDENTIFICATION: D12932-2 - Aqueous - Sampled on 04/30/2010 @ 1030 <br /> DETECTION ANALYSIS <br />PARAMETER RESULT LIMIT METHOD DATE ANALYST <br />Gross Alpha (+-Precision*), pCi/I (T) 77(+-5) 2.4 SM 7110 B 5/20/2010 AN <br /> @ 0822 <br />Gross Beta (+-Precision*), pCi/I (T) 46(+-3) 2.6 SM 7110 B 5/20/2010 AN <br /> @ 0822 <br />Radium-226 (+-Precision`), pCi/I (T) 4.1(+-1.2) 0.3 SM 7500-Ra B 5/20/2010 AN <br /> @ 0953 <br />Radium-228 (+-Precision`), pCi/I (T) 1.9(+-0.8) 0.7 EPA Ra-05 5/12/2010 SB <br /> @ 0926 <br />Total Solids, mg/I 4620 10 EPA 160.3 5/11/2010 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; KS E-10265; NH 232809; <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, <br />Inc. does not warrant that the results are representative of anything other than the samples that <br />were received in the laboratory. <br />CODES: (T) = Total (D) = Dissolved (S) = Suspended (R) = Total Recoverable <br />(PD) = Potentially Dissolved < = Less Than <br />By. <br />R rt Rostad <br />,_ V_2??^? <br />Laboratory Manager <br />Page 2 of 4 <br />An Employee-Owned Company °6 ft