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Accutest Mountain States <br />Tiffany Pham <br />4036 Youngfield <br />Wheat Ridge, CO 80033 <br />SAMPLE NO D234/11 -4 <br />SAMPLE IDENTIFICATION. <br />PARAMETER <br />NMI <br />HAZEN <br />Gross Alpha ( +- Precision *), pCi/I (T) <br />Gross Beta ( +- Precision *), pCi /I (T) <br />Radium -226 ( +- Precision *), pCi /I (T) <br />Radium -228 ( +- Precision *), pCi /i (T) <br />Total Solids, mg /I <br />Hazen Research, Inc. <br />4601 Indiana Street <br />Golden, CO 80403 USA <br />Tel: (303) 279 -4501 <br />Fax: (303) 278 -1528 <br />REPORT OF ANALYSIS <br />D22645X -4 - Drinking Water - Sampled on 04/13/2011 @ 2400 <br />RESULT <br />91( + -6) 3.6 <br />41( + -4) 3.9 <br />5.6( + -1.4) 0.3 <br />2.5( + -0 9) 0.7 <br />4800 10 <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 nerem relate only to discrete samples submitted by the client Hazen Research <br />Inc. does not warrant that the results are representative of anything other tnan the samples tnat <br />were received in the laboratory <br />CODES (T) = Total (D) = Dissolved (S) = Suspenced (R) = To Recoverable <br />(PD) = Potential)/ Dissolved < = Less Than <br />DETECTION <br />LIMIT METHOD <br />By: <br />An Employee - Owned Company <br />SM 7110 B <br />SM7110B <br />SM 7500 -Ra B <br />EPA Ra -05 <br />EPA 160.3 <br />DATE <br />HRI PROJECT <br />HRI SERIES NO <br />DATE REC'D. <br />OUST. P.0 # <br />Robert Rostad <br />Laboratory Manager <br />May 10, 2011 <br />009 -93 <br />D234/11 <br />4/14/2011 <br />D22645X <br />ANALYSIS <br />DATE <br />5/6/2011 AN <br />@ 0746 <br />5/6/2011 AN <br />@ 0746 <br />4/28/2011 AN <br />@ 1009 <br />4/29/2011 SB <br />@ 0455 <br />4/21/2011 LH <br />Page 4 of 4 <br />ANALYST <br />