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PARAMETER <br />MEM <br />Fwzou <br />Accutest Mountain States <br />Tiffany Pham <br />4036 Youngfield <br />Wheat Ridge, CO 80033 <br />SAMPLE NO D234/11 -3 <br />SAMPLE IDENTIFICATION <br />Gross Alpha ( +- Precision"), pCi /l (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 /l <br />Hazen Research, Inc. <br />4601 indiana Street <br />Golden, CO 80403 USA <br />Tel: (303) 2794501 <br />Fax: (303) 278 -1528 <br />RESULT <br />120( + -10) 3.0 <br />44( + -3) 2.9 <br />2.5( + -1.0) 0.3 <br />3.6( + -1.0) 0.8 <br />4420 10 <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 herein re'ate only to discrete samples submitted by the c'ient. Hazer 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 />REPORT OF ANALYSIS <br />DETECTION <br />LIMIT METHOD <br />An Employee -Owned Company <br />SM 7110 <br />SM 7110 6 <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 />CUST P O # <br />D22645X -3 - Drinking Water - Sampled on 04/13/2011 C 1345 <br />By: <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 />0744 <br />5/6/2011 AN <br />@ 0744 <br />4/28/2011 AN <br />@ 0845 <br />4/29/2011 SB <br />@ 0454 <br />4/21/2011 LH <br />Page 3 of 4 <br />ANALYST <br />tb of f ( <br />