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CERTIFICATE OF ANALYSIS
<br /> Ana/ytica/ Laboratory
<br /> Tuesday, July 27, 1999
<br /> Advanced Geo Environmental
<br /> 4005 N. Wilson Way
<br /> Stockton, CA. 95205
<br /> Sample Information
<br /> Sample ID: PE5528-01 Sample Type: Grab
<br /> Sample Description: IE @ 13TT Project Name: Lodi Airport
<br /> Date,Time Sampled.- 7/9/99 2:50:00 PM Sample Matrix: Soil
<br /> ANALYTICAL RESULT OAIQC REPORT
<br /> Date LCS Spike MS Spike
<br /> =Test Parameter Method DLR Unit Result Dilution :Analyzed Blank Conc. LCS% Cona MS% MSD RSD
<br /> �Lead(Pb)
<br /> EPA 6020 1 mg/Kg 131 10 14-Jul-99 ND 0.02 100.0°% 0.025 96.0°/6 104.01/6 2.0%
<br /> .TPH-Gasoline EPA 8015M/DHS 1 mg/Kg 2.86 1 13-Jul-99 ND 0.98 99.0°.6 0.98 110.2% 111.2% 0.2%
<br /> Benzene EPA 8020 5 ug/Kg ND 1 13-Jul-99 ND 20 95.5% 20 115.00% 110.0% 1.1% s
<br /> ... ..... ..... ..D. ..
<br /> Toluene EPA 8020 5 ug/Kg 7 1 13-Jul-99 ND 20 101.0% 20 105.0°% 113.5°% 1.9%
<br /> ...::::._.....�....:..... ,.,:..:...:.......... ,.:,:.......,..,,.,...,......,. .. . .. .. :.�,..,...,._.,:. .....,,.M,,.,,:,�.,,,........,
<br /> Ethylbenzene EPA 8020 5 ug/Kg 218 1 13-Jul-99 ND 20 9950..........20 ,1125%" 105.0°/6 „` 1.7%"
<br /> >
<br /> -111
<br /> i Xylenes,Total EPA 8020 5 ug/Kg 638 13-Ju1-99 ND 20 98.0°% p 110.0°% 108.5% 0.3°%
<br /> Methyl-t-Butyl Ether(MtBE) EPA 8020 5 ug/Kg 27 1 s 13-Ju1-99 ND 20 105.0°% 20 109.5°% 115.0% 1.2°% a
<br /> a...,,..,..:....>.,..,..,.:::...,:..:..,...:,,:,....„.,,...:.,_:.,.::::::....,..::.. .m.:...,..,..,.....�..,.::....: .:. .. ......,:
<br /> .:.,:..,,:,�....�.�,....:,.,.....#
<br /> mgJL=milligrams per Liter=ppm DLR-Defection Limit for the Purpose of RSD-represent relative percent different(RPD)between duplicates spike ofsomples
<br /> ug/L=microgramaperLiter=ppb Reporting. Exceptional sample nmtrices or or Duplicate of Sample
<br /> interferences percent recover
<br /> 'f P y efficiencies may result in higher detection MS�fSD-measure o the within the matrix is
<br /> :=Composite G=Grab fimits
<br /> LCS-measure ofthe percent recovery ofthe Laboratory Control Spike(LCS)
<br /> RESPE T� TTED,
<br /> Jonathan Hao Y. Le, Laboratory Director
<br /> EPA-Environmemai Protection AgmmyMethod. � W Page l of I
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