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rir) <br /> POOPRECISION- <br /> ENVIRO TECH <br /> Analytical Laboratory CERTIFICATE OFANALYSIS <br /> + Monday, November 8, 2004 <br /> Attention: Dave Welch <br /> Neil O. Anderson &Associate Report Page 3of4 <br /> 902 Industrial Way <br /> + Lodi, CA 95240 <br /> I <br /> Conventional Chemistry Parameters by APY A/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 AJ42811 -General Preparation <br /> j I Blank(AJ42811-BLKI) Prepared&Analyzed:28-Oct-04 <br /> Nitrate as N ND 0.200 mg/L <br /> Nitrate as NO3 ND 1.00 " <br /> LCS(AJ42811-BSI) Prepared&Analyzed:28-Oct-04 <br /> Nitrate as N 11.7 0.200 mg/L 11.3 104 80-120 <br /> Nitrate as NO3 52.0 1.00 50.0 104 80-120 <br /> F! Matrix Spike(AJ42811-MSI) Source:4102802-01 Prepared&Analyzed: 28-Oct-04 <br /> Nitrate as N 6.70 0.200 mg/L 5.64 2.09 82 75-125 <br /> Nitrate as NO3 29.7 1.00 25.0 9.26 82 75-125 <br /> Matrix Spike Dup(AJ42811-MSDI) Source: 4102802-01 Prepared&Analyzed:28-Oct-04 <br /> Nitrate as N 6.61 0.200 mg/L 5.64 2,09 80 75-125 1 20 <br /> Nitrate as NO3 29.3 1.00 25.0 9.26 80 75-125 1 20 <br /> 1 Reference(AJ42811-SRM1) Prepared&Analyzed:28-Oct-04 <br /> Nitrate as N 3.36 0.200 mg1L 3.45 97 80-110 <br /> Nitrate as NO3 14.9 1.00 15.3 97 80-110 <br /> F Reference(AJ42811-SRM2) Prepared&Analyzed:28-Oct-04 <br /> Nitrate as N 3.16 0.200 mg/L 3.54 89 0-200 <br /> Nitrate as NO3 14.0 1.00 15.7 89 0-200 <br /> i .' <br /> Pt1 <br /> P <br /> 1 <br /> i mg/L=milligrams per Liter-ppm DI R-Detection Limit far Purpose of Reporting. <br /> ugE=micrograms per Liter=ppb Exceptional sample matrices or interferences may <br /> + result in higher detection limits. <br /> I RESPECTFULLY SUBMITTED, <br /> I (�j lelre� <br /> Jonathan Le,Laboratory Director <br /> 7743 N. West Lane . Suite B2 Stockton CA. 95210 phone: (209) 477-8105 Fax: (209) 477-8148 <br />