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CERTIFICATE 4F ANALYSIS <br /> . Ana/y.Lica/ Laboratory Trrestlay,March12, 2002 <br /> 1'O: William Little <br /> Advanced GeoEnvironmental <br /> 837 Shaw Road <br /> Stockton CA 95215 <br /> Total Petroleum in Gasoline <br /> Sample Illfornration <br /> Sample ID: 14494-061 Sample Type: Grab <br /> Sample Description: Tank#3 South End Project Name: 4040 E.Main ST. <br /> DawTime Sampled: 3/6/2002 3:10:00 PM Sample Matrix: Soil <br /> ANALYTICAL RESULT QAIQCREPORT <br /> - � Date LCS Spike MS Spike <br /> ETestParameter Method DLR Unit Result ;Analyzed Blank Cone. LCS% MS% MSD <br /> _ __ g... .. ._ ,_ '..-:�. , : ., : .:..,:. A , ._ ,..o_:.�. Cont. - :.... ° - °:. RSD <br /> M/ <br /> TPH-Gas EPA 8015LUFT 100 ug/kg <br /> /°86000 08-Mar-02 NU 500 96.0% 500 97.6% 102.0%. <br /> rnglf.=rnilligranrs per Luer-ppm RS'L} represent r elatir'e percew different{RPD)between duplicates Spike of samples <br /> or o Du little Sam le <br /> ugll,=micrograms per Liter—ppbAWVp 1' p <br /> E TFC/ B TTED, A't Si%VSD-mertsare offhe percent recovety€Ticiencies within the rnairr'x <br /> r <br /> C=Cnmpns'ite G=Grab ' <br /> LCS-meosure of the percent recover),of the Laboratory Control Spike(LCS) <br /> JMat DLR-Detection Lirnit jar the Patpose of Reporting. flxceptiottal sm <br /> aple <br /> alt Hao �r.Le,Laboratory Director matrices or fnterf mvnere�s ram result in higher detection lirnils <br /> 6 <br /> F <br /> LPA-Environmental Protraction`igency Afethod. SH-Standard.Method firr f:'rrrrnirartion of Obiter 1Pustewencr 18th Ed. Page I of 1 <br /> 545 E. Cleveland St. Suite A Stockton, CA 95204 Tel.: (209) 462-0892 Fax: (209) 462-7935 <br />