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CERTIFICATE OF ANALYSIS <br /> Ana/ytica/ Laboratory <br /> Tuesday, Juty 27, 1999 <br /> Advanced GeoEnvironmental <br /> 4005 N. Wilson Way <br /> Stockton, CA. 95205 <br /> Sample Information <br /> Sample ID: PE5412-04 Sample T}pe: Grab <br /> Sample Description: P-4 Project Name. Lodi Airport • <br /> DateJTime Sampled: 6/18/99 2:20:00 PM Sample Matrix: Soil <br /> ANALYTICAL RESULT QA/QC REPORT <br /> Date LCS Spike MS Spike <br /> Test Parameter Method DLR Unit Result Dilution Analyzed Blank Colic. LCS% Conc. MS% MSD RSD <br /> Lead(Pb) EPA 6020 1 mg/Kg 61.0 15 24-Jun-99 ND 0025 960% 0.025 98.4% 960% 06% <br /> iTPH-Gasoline EPA 8015M/DHS 1 mg/Kg 6400 1 21-Jun-99 ND 1 950% 1 890% 920% 08% ,! <br /> :Benzene EPA 8020 5 ug/Kg ND 1 21-Jun-99 ND 5 92.0% 5 9209% 94.00% 0.5% <br /> Toluene EPA 8020 5 ug/Kg ND 1 21-Jun-99 ND 5 . 5 102.0% 96.00/6 15% <br /> �Elhylbenzene EPA 8020 5 ug/Kg 600 1 21-Jun-99 ND 5 _ 980/ 5 1040% 960/ 20% <br /> Xylenes,Total EPA 8020 5 ug/Kg 4360 1 21-Jun-99 No 10 960/ 10 1000/ 110.0% 24% <br /> Methyl-t-Butyl Ether)MtBE) EPA 8020 5 ug/Kg ND 1 j 21-Jun-99 ND 5 900% 5 90.0916 98.0°h 21% <br /> nrg,/L milligramsperLiter ppm DLR-Detection Linitfor the Purpose q/ RSD-represent relative percent different(RPD)benreen duplicates spike ofsamples • <br /> Reporting. Ince tioral sample matrices or or Duplicate of Sample <br /> vg/L micrograms perLrter ppb P g P P <br /> inlerfereneces n+av result in higher detection MSMSD-measure ojthe percent recovery efficiencies within the matrix <br /> C=Composite G=Grab limits <br /> LCS-measure o(!he percent recovery ojthe Labormory Control Spike(LCS) <br /> RESPEC F��D, <br /> Jonathan Hao Y. Le, Laboratory Director <br /> EPA-EnvironmentutProtection Ager¢yMethad. Page 1 of I <br /> elf Vt....4-4A/e,L..,if.O......b•.ri,...aTN��rrPA.IA.-..r-..i,M..A'.f�• l\..:�.. A 'A 1111 A T.,r /n I\I1\ ACEI ^Olin C,,... //VVI\ ACn %()OC <br />