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1 <br /> 110 2nd Avenue South,#137,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' httn/fwww mccampbell corn E-mail rnatn@mccampbell com <br />' Advanced GeoEnvironmental Client Project ID Flag City Chevron Date Sampled 01/03/01 <br /> 4005 North Wilson Way Date Received 01/04/01 <br />' Stockton, CA 95205 Client Contact Tim Cuellar Date Extracted 01/04/01 <br />' Client P D Date Analyzed 01/04/01 <br /> Gasoline Range(C6-02)Volatile Hydrocarbons as Gasoline*,with Methyl Cert-Butyl Ether*&BTEX* <br /> FPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br />' Lab ID CIient ID Matrix TPH(g)+ MTBE Benzene Toluene Et zeyn� _ Xylenes °Surrogatey <br /> 57225 Influent W ND 210 ND ND ND ND 104 <br /> r57226 Effluent W ND ND ND ND ND ND 104 <br /> 57227 GAC-1 W ND 74 ND ND ND ND 105 <br /> r57228 GAC-2 W ND ND ND ND ND ND 104 <br /> r <br /> r • <br /> r <br /> r <br /> r <br /> rReportmg Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting built S 1 0 mgfkg 005 0 005 0 005 0 005 0 005 <br /> "water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> "cluttered chromatogram,sample peak coelutes with surrogate peak <br /> 'The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for then- <br /> interpretation a) unmodified or weakly modified gasoline is significant, b) heavier gasoline range compounds are significant(aged <br /> gasolme9), c) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> chromatographic peaks axe significant,biologically altered gasolme9,e)TPH pattern that does not appear to be denved from gasoline(h),f) <br /> . one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water ininnscible <br /> sheen is present,i}liquid sample that contatns greater than 5 vol %sediment,l)no recognizable pattern <br /> DHS Certification No 1644 ,r`g., Edward Hamilton,Lab Director <br />