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<br /> HW -TEC l CERTIFICATE OF ANALYSIS
<br /> Ana/YMCcal LaboJ-atory
<br /> Friday,July 02, 1999
<br /> Advanced Geo Environmental
<br /> 4005 N. Wilson Way
<br /> Stockton, CA. 95205
<br /> Sample Information
<br /> Saniple ID: PF5411-01 Sample T}pe: Grab
<br /> Sample Description: B-2 @ 20' Project Name: Mareno Trust
<br /> Date/Time Sample& 6/18/99 10:18:00 AM Sample Matrix: Soil •
<br /> wN >
<br /> ANALYTICAL RESULT QA/QCREPORT
<br /> Date LCS Spike MS Spike
<br /> ;Test Parameter Method DLR Unit Result Dilution Analyzed Blank Conc. LCS% Conc MS% MSD RSD
<br /> €TPH-Gasoline EPA 801 SM/DHS 1 mg/Kg ND 1 18-Jun-99 ND 1 95.0% 1 89.0% 92.00% 0.8%
<br /> r,,...,.»
<br /> Benzene EPA 8020 5 ug/Kg ND 1 18-Jun-99 ND 5 920°% 5 920°% 9400% 05%
<br /> Toluene EPA 8020 5 uglKg ND 1 18-Jun-99 ND 5 96.00% 5 102.0% 96.00% 1.5°% g
<br /> Ethylbenzene :....:...:...:...::::...:::::EPA 8020,....,.». :.,.:::.:5ug/Kg
<br /> ...,.:.,..»:ND,.,.,::.r,....,.::..'w....�.: 18-Jun-99:.. »:.ND::::..::,.,.,,5 X98.0°%:,... 5:,:,.....,104.0% »� 96.0% 2.0°%,»,:..gE
<br /> Xylenes,Total
<br /> :»..:.,.:::.,,.::.».».,.:::...,,,»:.:..::.:.:..:::......EPA 8020,..,..,.M....»:.».,:5.....»...:::.:.:ug/Kg
<br /> :::.:.:..,.:.N.D::.,.:.,..».».,».w,.1.,:....:::..»::...:.:...:18-Jun-99:.»......ND....:.»:,w.»10 X96.0°% 10,..,.:.-..100.0% W 110.0%~..:., 2.4°%
<br /> 'Methyl-t-Butyl Ether(MtBE) EPA 8020 5 ug/Kg ND 1 18-Jun-99 ND 5 90.0'% 5 900°% 9800% 2.1%
<br /> '. Hsopropyl ether(DIPE) EPA8260 5 ug/Kg ND 1 18-Jun-99 ND 20 90.0°% 20 95.09% 90.0°% 1.18-Jun-99 3
<br /> Ethyl-t-butyl ether(ETBE) EPA8260 5 ug/Kg ND 1 18-Jun-99 ND 20 87.50/ 20 89.0% 90.0% 0.3% &
<br /> Tertamyl m ethyl ether(TAM E) EPAS260 5 ug/Kg ND 1 18-Jun-99 ND 20 925% 20 9759% 990°% 04% `
<br /> 1 t Butanol(TBA) EPA8280 50 ug/Kg ND 1 18-Jun-99 ND 100 920% 100 900°% 890% 03%�
<br /> i, mg/L milligrarrrsperLiter ppm DLR-Detection Lunitfor the Purpose of ASD-rep resent relative percent diereat(/tPD)between duplicates.spike of samples
<br /> ug/f,=micrograms per Liter=ppb Reporting. Exceptional sample matrices or or Duplicate of Sample
<br /> / interferences nmy result in higher detection MSMSD-measure ofthe percent recovery efficiencies within the nnmrix
<br /> C=Composite G=Grab limits
<br /> LCS-measure ojNie percent recospry ojlhe Laboratory Control Spike(LCS)
<br /> A(
<br /> RESPE T��t--TED,
<br /> Jonathan Hao Y. Le, Laboratory Director
<br /> EPA-Environmental Protection Agency.blelhod. Page I of I
<br /> SAIStandardMethodforExanninNioitagl(tge.Eip,C14P"'Ht4d-d5t. Suite A Stockton. CA 95204 Tel.: (209) 462-0892 Fax: (209) 462-7935
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