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_ Hazen Research, Inc. DATE May 19, 2010 <br /> <br />HAZEN 4601 Indiana Street <br />ld <br />G <br />CO 8 HRI PROJECT 009-93 <br /> o <br />en, <br />0403 USA HRI SERIES NO E053/10 <br />_ Tel: (303) 279-4501 <br />Fax: (303)278.1528 DATE REC'D. 5/3/2010 <br /> COST. P.O.# D12928 <br />Accutest Mountain States <br />Tiffany Pham <br />4036 Youngfield <br />Wheat Ridge, CO 80033 <br /> REPORT OF ANALYSI S <br />SAMPLE NO. E053/1D-2 <br />SAMPLE IDENTIFICATION: D12928-2 - Sampled on 04/28/2010 @ 1200 - Reported on dry basi s <br /> DETECTION ANALYSIS <br />PARAMETER RESULT LIMIT METHOD DATE ANALYST <br />Gross Alpha (+-Precision'), pCi/g 20700(+-300) 3.6 SM 7110 B (Modified) 5/14/2010 AN <br /> 01342 <br />Gross Beta (+.Precision`), pCi/g 10300(+-100) 5.1 SM 7110 B (Modified) 5/142010 AN <br /> @ 1342 <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 LA000264; WI 998376610 <br /> d <br /> <br /> N <br /> ?D <br /> N <br />00 <br /> n <br /> <br /> Results reported herein relate only to discrete samples submitted by the talent. Hazen Research, B <br />y <br /> Inc. does not warrant that the results are representative of anything other than the samples that Robert Rostad <br /> ware received In the laboratory. <br /> <br />O <br />CODES: M = Total (D) = Dissolved (S) = Suspended (R) • Total Recoverable Laboratory Manager <br />p ® (PD) • Potentially Dissolved <= Less Then <br />w 7Q Page 2 of 3 <br /> <br /> <br /> e?f <br /> <br /> -4 t.-? An Employee-Owned Company <br /> <br />o 0 <br /> <br />