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PRECISION4-0' *moo <br /> ENVIRO-TECH <br /> Analytical Laboratory CERTIFICATE OFANAL YSIS <br /> Tuesday,December 21, 2004 <br /> Attention: Becky Haskett <br /> Neil O. Anderson &Associate Report Page 3 of <br /> 902 Industrial Way <br /> Lod!, CA95240 <br /> EDB and DBCP by EPA Method 504.1 -Quality Control <br /> Precision Enviro-Tech <br /> Reporting Spike Source a/mREC RPD <br /> Analyte Result Limit Units Level Result °/d2EC Limits RPD Limit Notes <br /> Batch AL41610-Solvent Extraction <br /> Blank(AL41610-BLKI) Prepared&Analyzed: 16-Dec-04 <br /> ` 1,2-Dibromo-3-chlompropme ND 0.0200 u9/1 <br /> 1,2-Dibromoethsne(EDB) ND 0.0100 " <br /> r LCS(AL41610-BSI) Prepared&Analyzed: 16-Dec-04 <br /> 1,2-1)ibromo-3chkimpmpme 0.277 0.0200 119/1 0.294 94 75-125 <br /> 1,2-Dibromoethme(EDB) 0.246 0.0100 " 0.294 84 75-125 <br /> r Matrix Spike(AL41610-MS1) Source:4120711-01 Prepared&Analyzed: 16-Dec-04 <br /> 1,2-Dibromo-3-chlompropme 0.255 0.0200 ug/1 0.294 ND 87 75-125 <br /> 1,2-Dibromcethme(EDB) 0.236 0.0100 0.294 ND 80 75-125 <br /> ` Matrix Spike Dup(AL41610-MSDI) Source:4120711-01 Prepared&Analyzed: 16-Dec-04 <br /> 1,2-Dibromo-3-chloropropme 0.301 0.0200 ugil 0.294 ND 102 75-125 17 20 <br /> - 1,2-Dibmmoethme(EDB) 0.247 0.0100 0.294 ND 84 75-125 5 20 <br /> t. <br /> I_ <br /> 6a <br /> L <br /> L <br /> L <br /> m&L=milligrmnsper Liter—pPm DLR=Detection LimaforPurposeofReporting. <br /> ugE=mimscrograperLiter=ppb Exceptional simple matrices or interferences may <br /> 6. <br /> result m higher detection limas. <br /> - RESPECTFULLY SUBMITTED, <br /> L <br /> Jonathan Le,Laboratory Director <br /> 7743 N. West Lane . Suite B2 Stockton CA. 95210 Dhone: (209) 477-8105 Fax: (209) 477-8148 <br />