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® rwaCc oSooN <br /> r-Hw9 O- ITEC ll CERTIFICATE OF ANALYSIS <br /> Analytical Laboratory <br /> Tuesday, July 27, 1999 <br /> Advanced Geo Environmental <br /> 4005 N. Wilson Way <br /> Stockton, CA. 95205 <br /> Saneple Information <br /> Sample ID: PE5412-02 Sample Type: Grab <br /> Sample Description: P-2 Project Name: Lodi Airport . <br /> Date/Time Sampled• 6/18/99 2:02:00 PM SampleMatrix: Soil <br /> ANALYTICAL RESULT QAIQCREPORT <br /> Date LCS Spike MS Spike <br /> -Test Parameter Method DLR Unit Result Dilution 'Analyzed Blank Conc. GCS% Conc. MS% MSD RSD <br /> a <br /> ; Lead .. .(Pbl.�,�m.•mc .•'.--•,.a« w EPA 6020. .1... mg/Kg 3.2 ..._ 15 _. .24-Jun-99 ND ,.,.. 0.025 96.0% .,..0.025 98.4°% ..: 96.0% o.6% g <br /> ba.... ...e:...., vee.. .>.. >....... :..:. ....... .... .... .. ........ :..:ore.eaeae»eemm,+amnuwm:g <br /> TPH Gasoline EPA 8015M/DHS 1 mg/Kg ND 1 21-Jun-99 ND 1 95.0% 1 89.0% 92.0°.6 0.6% <br /> ?Benzene EPA 8020 5 ug/Kg ND 1 21 Jun-99 ND 5 920°/6 5 92.0/ 94.0% 0.5% p <br /> Toluene EPA 8020 5 ug/Kg ND .. 1 o 21-Jun-99 ND 5 960/ 5 1020% 96.0% 1.5% z <br /> Ethylbenzene EPA 8020 5 ug/Kg ND 1 21-Jun-99 ND S 980% 5 104.0% 960% 2.09/6 <br /> Xylenes,Total EPA 8020 5 ugMg ND 1 21-Jun-99 ND 10 96.0% 10 106.0% 110.096 2.4% 7 <br /> Methyl4-Butyl Ether)MtBE) EPA 8020 5 ug/Kg ND 1 21-Jun-99 ND 5 90.0% 5 90.0% 98.0°/62.1% <br /> mg/L milligrmnsperLiter=ppnn DLR-Detection Lituitfor the Purpose of RSU represent relative percent different(RPD)benreen duplicates spike ofsamples � �� � � • <br /> vgIL=micrograms per Liter—ppb Reporting. Exceptional sample matrices or or Duplicate of Sample <br /> interferences mov result in higher detection ;ySereem recovery MSD-measure o the ciencies within the matrix <br /> C=Composite G=Grab limits f P ry affi <br /> LCS-measure ofthe percent recovery ofthe laboratory Control Spike(LCS) <br /> RESPE TFUL YY U�TED, <br /> Jonathan Hao V. Le,Laboratory Director <br /> g I <br /> ,___ Page o I <br />