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CERTIFICATE OF ANALYSIS <br /> Ana/ytica/ Laboratory <br /> !'sir/ay, July 02, /999 <br /> Advanced Geo Environmental <br /> 4005 N. Wilson Way <br /> Stockton, CA. 95205 <br /> Sample Information <br /> Sample ID: PE5411-02 Sample TjNe: Grab <br /> Sample Description: B-2 @ 30 Project Name: Mareno Trust <br /> Date/Time Smtlpleth 6/18/99 10:43:00 AM Sample Matrix: Soil • <br /> u <br /> ANALYTICAL RESULT QA/QCREPORT <br /> .-11.------1--------- <br /> Date LCS Spike MS Spike <br /> ;Test Parameter Method DLR Unit Resuh Dilution Analyzed Blank Cona LCS% Cone. MS% MSD RSD <br /> L—,,>,:,::..,.: .....,:::, ....:...... <br /> TPH-Gasoline - EPA 8015M/DHS 1 mg/Kg ND 1 18-Jun-99 ND 1 95.0°.6 1 89.0% 92.09/6 0.8% a <br /> Benzene EPA 8020 5 ug/Kg ND 1 18-Jun-99 ND 5 9200% 5 92.0°/6 94.0°.6 05% S <br /> m.....,...,:�«.u»,w,,.,,,.,�..o...... ..:.:....:...:,.. ...... <br /> Toluene EPA 8020 5 ug/Kg ND 1 18-Jun-99 ND 5 96.0% 5 102.0% 96.0% 1.5%Ina <br /> § <br /> Ethylbenzene .V:,.,:.._........,...,.«.V. ...: . EPA 8020 :.«.,..,.,. 5 ug/Kg :.�. ND 1 .«^^ 18-Jun-99 ND „^ 5 .:.«(:. 98.09% 5 104.0% 96.0°%- 2.0°% E <br /> a+r' Xylenes Total EPA 8020 5 ug/Kg ND 1 18-Jun-99 ND 10 960°% 10 1000% 11009% 240/6 <br /> ' Methyl-t-Butyl Ether(MtBE) EPA8020 5 ug/Kg ND 1 ; 15-Jun-99 ND 5 900% 5 900% 980% 21% i <br /> Diisopropyl ether(DIPE) EPA8260 5 ug/Kg ND 1 18-Jun-99 ND 20 90.0% 20 95.0% 90.0°% 1.4% g <br /> Ethyl-t-butyl ether(ETBE) EPA8260 5 ug/Kg ND 1 } 18-Jun-99 ND 20 87.5% 20 89.0°% 90.0°% 9/60.3 <br /> :: <br /> ?Tertamyl.methyl ether(TA ME)'.«.....:...:..:..:.:.,EPA82BJ,«....«.:,.::.,«..S«Mw.«.:..«.ug/Kg <br /> ND,.:..., «.«.1 18-Jun39:.:..«ND.«..«.«.«:p 92.5% 20 <br /> � 97.5% 99.0°%...,.,:,.«0.4°%::.« <br /> t-Butanol(TBA) EPA8260 50 ug/Kg ND 1 18-Jun-99 ND 100 92.0°/6 100 900% 890% 0.3% <br /> mg,L=milligrmns per Liter=ppm DLR Detection Limit for the Purpose of RSD-represent relative percent different(RPD)between duplicates spike ofsantples <br /> ug/L=micrograms perLiter=ppb Reporting. E.viceplional sample natrices or or Duplicate ofSmnple <br /> interferences nay result in higher detection MSIMED-measure of the percetu recovery efficiencies within the matrix <br /> C=Composite G=Grub limits <br /> LCS-measure ojlhe percent recmrry ojlhe Laboratory Cnmra!Spike(LCS) <br /> RESFUL YTED, <br /> Jonathan Hao V Le, Laboratory Director <br /> EPA-Environmental Protection Agency Alelmd Page I of I <br /> SAfStandardMethodforE.ramiiimiondSWBcEq"04"eitfw,6t. Suite A Stockton, CA 95204 Tel.: (209) 462-0892 Fax: (209) 462-7935 <br />