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Accutest Mountain States <br />Tiffany Pham <br />4036 Youngfield <br />Wheat Ridge, CO 80033 <br />Hazen Research, Inc. <br />``rr <br />4601 Indiana Street <br />H ���' GLEN Golden, CO 80403 USA <br />NM Tel: (303) 279 -4501 <br />Fax: (303) 278 -1528 <br />SAMPLE NO. D234111 -1 <br />SAMPLE IDENTIFICATION: D22645X -1 - Drinking Water - Sampled on 04/13/2011 @ 1100 <br />DETECTION ANALYSIS <br />PARAMETER RESULT LIMIT METHOD DATE <br />Gross Alpha ( +- Precision *). pCi /I (T) 110( + -10) 1 8 SM 7110 B 5/6/2011 AN <br />@ 0740 <br />Gross Beta ( +- Precision *), pCi/l (T) 56( + -3) 2.7 SM 7110 8 5/6/2011 AN <br />@ 0740 <br />Radium -226 ( +- Precision *), pCi /l (T) 3.4( + -1.1) 0.3 SM 7500 -Ra B 4/27/2011 AN <br />@ 0915 <br />Radium -228 ( +- Precision *), pCi /I (T) 3.9( + -1.0) 0.7 EPA Ra -05 4/29/2011 SB <br />0452 <br />Total Solids, mg /I 4850 10 EPA 160.3 4/21/2011 LH <br />*Variability of the radioactive decay process (counting error) at the 95% confidence level 1.96 sigma. <br />Certification ID's: CO /EPA C000008; CT PH -0152; KS E- 10265; NH 232809; <br />NYELAP 11417; PADEP 68- 00551; RI LA000284; WI 998376610 <br />Results reported neretn relate only to discrete samples submitted by the client Hazen Research <br />Inc does not warrant that the results are representative of anytnmg 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 />REPORT OF ANALYSIS <br />An Employee - Owned Company <br />DATE May 10, 2011 <br />HRI PROJECT 009 -93 <br />HRI SERIES NO 0234/11 <br />DATE RECD, 4/14/2011 <br />OUST. P.O.# D22645X <br />By: <br />Robert Rostad <br />Laboratory Manager <br />Page 1 of 4 <br />ANALYST <br />