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CD <br /> W <br /> CERTIFICATE OFANAL.YSIS <br /> Analytical Laboratory <br /> Tuesday,March l2,2002 m <br /> CD <br /> TO: William tittle w <br /> Advanced Geo Environmental <br /> 837 Shaw Road <br /> Stockton CA 95215 0 <br /> Total POh'OlelJnl in Gasoline <br /> N <br /> Sample Itybrmation LD <br /> A <br /> Sample ID: 14494-03B Sample Type: Grab <br /> Sample Description: Tank 1#2 North End Project Name: 4040 E.Main ST. <br /> DateITime Sampled: 3/6/2002 3:40:00 PM Sample Matrix.: Soil °D <br /> .�..�.� slNALYTICALRES ULT ,..�, �.....n.=...a.,� QA/QC REPORT <br /> ......:...�......��.,». _ Date LCS Spike MS Spike <br /> Test Parameter Method DLR Unit Result Analyzed Blank Conc. LCS% Conc. MS% MSD RSD <br /> TPH-Gas EPA W15MlLUFT 100 ugikg 160 08-Mar-D2 ND 500 96.0% 500 97.6% 102.096 1A% <br /> orgil.=milligrur,rs Pei-Lim-=ppm RSD-repreSenr 1-e rlfl w percew differrnt(NPD)behreen dapticares spike ofsarnpies <br /> uQtL=ueirrogrnms per!_iter=py(t or Duplicrtte of&imple <br /> RE 4CF ULM ED, r IVAfSO-rnuesure.of fbe perceaf recovery eJ�ciencies wifhin the mruri.� D <br /> C=Composite G_Grab m <br /> LCS-measure of the percent reromy of the Laboratorr�Control Spike(LCS) <br /> co <br /> DLit-Dereeioa Lkniefor the Purpose ofRepoilirrg. E.reepriwral sample <br /> fOl tttlitfil ffQ0 <br /> V. <br /> Le,LctbOratOry DITSL'tOr moricev or interfer eneces tiny-result in higher detection thins 0 <br /> O <br /> Z <br /> D <br /> M <br /> ' A <br /> EP4-F�vtron,r:er tal Protection.,tgency.dlefhorL Shf-S'tunetarct dlrthartfor F.xarxiaation of lf'r�ter_Ff'ostrwaler 1 Sth l cf. Pag •1 of I <br /> dR F (.1PvA1snd St. Smite A Stockton. CA 95204 Tel,, f209) 462-0892 Fax- 12091 482-7836 <br />