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PRECISION 0 <br /> ENVIRO-TECH <br /> Analytical Lahoratory <br /> CERTIFICATE OFANAL YSIS <br /> Monday,December 5, 2005 <br /> j Attention: Brook Handel <br /> Dillon & Murphy <br /> P.O. BOX 2180 Report Page 2 of3 <br /> Lodi, CA 95241 <br /> Conventional Chemistry Parameters by APHA/EPA Methods-Quality Control <br /> Precision Enviro-Tech <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch AK51816-General P-r-eMaration-- - � . - _ _ _ _-_ <br /> Blank(AK51816-BLK1) Prepared&Analyzed: 18-Nov-05 <br /> Nitrate as NO3 ND 1.00 mg(L <br /> LCS(AK51816-BSI) Prepared&Analyzed: 18-Nov-05 <br /> Nitrate as NO3 53.3 1.00 mgfL, 50.0 107 70-120 <br /> Matrix Spike(AK51816-MSI) Source: 5111814-02 Prepared&Analyzed: 18-Nov-05 <br /> Nitrate as NO3 68.7 200 mg/1- 50.0 14.4 104 75-125 <br /> Matrix Spike Dup(AK51816-MSD1) Source:5111814-02 Prepared&Analyzed: 18-Nov-05 <br /> Nitrate as NO3 68.4 2.00 mg/L 50.0 14.4 108 75-125 0.4 20 <br /> 4 <br /> 1. is <br /> I <br /> If <br /> II <br /> 1 <br /> 1 <br /> mg/ <br /> L=milligrams per Liter=ppm DLR—Detection Limit for Purpose of Reporting. ! <br /> u /L—micro rams er Liter= b <br /> g S p PP F.xceptianal sample matrices or interferences may y <br /> result in higher detection limits. <br /> RESPECTFULLY SUBMITTED, <br /> ��j low� <br /> 4J <br /> Jonathan Le,Laboratory Director <br /> 7743 N. West Lane. Suite B2 Stockton CA. 95210 phone: (209) 477-8105 Fax: (209) 477-8148 <br />