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' 110 Second A),cnue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Telephone 1925-798-1620 Fax 925-798-1622 <br /> ' http//w%N%k mccampbell coni E-mail main@mccampbell com - <br /> rt <br /> ' I Date Sampled 04/03/98 <br /> Advanced GeoEnvironmental Client Project ID Chapin Brothels <br /> 4005 North Wilson Way ; Date Received 04/07/98 <br /> ' Stockton,CA 95205 Client Contact Bill Little Date Extracted 04108-04109198 1 <br /> Client P 0 Date Analyzed 04108-04109198 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,m ith MethA I tert-Butyl Ether*&BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California R%k QC B(SF BaN R4-'U'1011)mtlhod G(FID(5030) <br /> ' Lab ID Client ID Matrix TPH(g)+ Ethvlben- %Recovery MTBE Benzene Toluene iene Xylenes Surrogate <br /> 87856 MW7/4-3-98 W ND --- ND ND ND ND 98 <br /> I <br /> I <br /> 1 <br /> I <br /> ' Reporting Limit unless Air 50 ug/L 5 0 05 {)5 05 05 <br /> other%%Ise stated,ND <br /> means not detected above <br /> the reporting limit 3 1 0 mg/kg 005 0005 0 110 U(illi 0 005 <br /> '«ater and vapor samples are reported in ug/L,wipe samples in u,.M Ipe soil and.ludL e,ample,In mg.1ke and all TCLP and SPLP extracts <br /> in ug/L <br /> ' cluttered chromatogram,sample peak eoelutes with surrogate peak <br /> 'The tollouing desmpuons of the TPH chromatogram are uuso4y m 11,14114- and M4-(an1ph4-11 Analytical is not responsible for their <br /> merprotation a) unmodified or weakly modified gasoline Is slemiicant b) Ilea+lel ,1.111114- range compounds ams4gmlicanl(aged <br /> gasolaie'I) c) 11ghter gasoline range compounds (the most mobile tra4-0011) 01c vgniticant (1) gasoline range compounds having broad <br /> chromatographic peaks are significant biologically altered gasoline I e)TPH paticl n that do4-s not appear to be derived from gasoline(9) t) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range Lompmunds aI4- signllicant h)lighter than Aater immiscible <br /> been Is present i)liquid sample that contains greaterthan--5%ol 1%sediment 1)no Ieuhnvahle pattern <br /> DHS Certification No 1644 // Edward Hamilton,Lab Director <br />