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© MHNIO XO`TMICH CERTIFICATE OFANALYSIS <br /> + Ana/ytica/ Laboratory <br /> Fridav, July 01, 1999 <br /> Advanced Geo Environmental <br /> 4005 N. Wilson Way <br /> Stockton, CA. 95205 <br /> Sample Information <br /> Sample ID: PE5379-01 Sample T}ye: Grab <br /> Sample Description: B 1 @ 10' Project Nante: MARENO TRUST <br /> Date/Time Sampled: 6/15/99 12:00:00 PM Sample Matrix: Soil <br /> ANALYTICAL RESULT QA/QCREPORT a <br /> Date LCS Spike MS Spike <br /> ;Test Parameter Method DLR Unit Result Dilution Analyzed Blank Cone. LCS% Cone- MS% MSD RSD <br /> ....... ....... ,. <br /> 1 r TPH-Gasoline EPA 8015M/DHS i mg/Kg ND 1 17-Jun-99 ND 2 975% 2 90.0% 875.6 0.7% # <br /> o ` <br /> . Benzene EPA 8020 5 ug/Kg ND 1 17-Jun-99 ND 5 84.0°% 5 80.0°% 82.0°% 06°% <br /> 43� 'Toluene " "" EPA 8020 5 ug/Kg ND 1 17-Jun-99 ND 5 980°% 5 980°% 102.00% 1.0% <br /> Elhylbenzene EPA 8020 5 ug/Kg ND 1 17-Jun-99 ND 5 1020°% 5800°% 92.00---35°% <br /> '( Xylenes,Total EPA 8020 5 ug/Kg ND 1 17-Jun-99 ND 10 920°% 10 91.09% 900% 0.3°% n <br /> f.1 ....:... ...,..r.... ... [::n:.er.,vv.v. .... ................ ....::. :::::: ...m.e,em -..:... -::..... e.v.nmm�'mymnroz., " <br /> s`Li ' Methyl-t-Butyl Ether(MtBE) EPA 8020 5 ug/Kg ND 1 17-Jun-99 ND 5 921M 5 84.0°% 86.0% 03. <br /> Dusopropyi ether(DIPE) EPA8260 5 ug/Kg ND 1 17-Jun-99 ND 20 900°% 20 95096 90.0°6 1.40A <br /> i Ethyl-t-butyl ether(ETBE) EPAS260 5 ug/Kg ND.::. 1 17-Jun-99 ND 20 85.0% 20 rc 90.0%w �85.09% 1.4% z <br /> M Tertamylmethylether(TAM E) EPA828D 5 ug/Kg ND 1 17-Jun-99 ND 2D 875°% 20 850°% 950% 28% <br /> tt-Butanol(TBA) EPA8260 50 ug/Kg ND 1 lq 17-Jun-99 ND 100 910°% 100 900% 9400% 11% <br /> mg/L=milligrmns per Liter=ppnr DLR-Detection Limit for the Purpose of %V)-represent relative percent different(RPD)benween duplicates.spike ofsomples <br /> ug/L=microgrmns per L(ler=ppb Reporting. L'.xceptional sample matrices or orDuplicale ojSample <br /> interferences nay resuh in higher detection MS/MSD-treasure ofthe percent recovery efficiencies ivithin are matrix <br /> C=Composite G=Grab limits <br /> LCS-measure ojehe percent recosrry oflhe Laboratory Cmnlro!Spike(ZCS) <br /> RES�FUL ED, <br /> Jonathan Hao V. Le, Laboratory Director <br /> _.: .... .:..,.......-... ...: <br /> ...._.._... . .:.„„._.. <br /> EPA-Environrrrenlal PmlectionAgencyMerhod. Page 1 of 1 <br /> SM-Standardblelhodfoi-Exnnrinaliori(gW(eE[vp}nileltt (Gt. Suite A Stockton, CA 95204 Tel.: (209) 462-0892 Fax: (209) 462-7935 <br />