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I , <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> • http//www mccamnbell cam E-mail mam@mccampbell cotta <br />' Advanced GeoEnvaronmental Client Project ID Flag City Chevron Date Sampled. 08/01101 <br />' 837 Shaw Road Date Received.08/02/01 <br /> Stockton, CA 95215 Client Contact Tim Cuellar Date Extracted 08/03/01 <br />' Client P O Date Analyzed 08/03/01 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether*&BTEX* <br />' EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br /> Lab ID Client ID Matrix TPH(g}� MTBE Benzene TolueneEthyl-benzene Surrogate <br /> %Recovery <br /> Surrogate <br /> 74021 Influent W ND 23 ND ND ND ND 102 <br /> 74022 Effluent W ND ND ND ND ND ND 99 <br /> Reporting Lumt unless W 50 ug/L 5 0 05 0 5 0 5 0 5 <br /> otherwise stated,ND <br /> meane re g <br /> P g detected lia�above S 10 mg/kg 0 05 0 005 0 005 0 005 0 005 <br /> Te <br /> 'water and vapor samples are reported in ug/L,wipe samples rn ug/mpe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> N cluttered chromatogram,sande 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 /> mterpretation a) unmodified or weakly modified gasoline is significant, b) heavier gasoline range compounds are signaficant(aged <br /> gasoline?), c) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> Chromatographic peaks are significant,biologically altered gasoline?,e)TPH pattern that does not appear to be derived from gasoline(?),t) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water immiscible <br /> sheen is present,u)liquid sample that contains greater than�5 vol %sediment,a)no rcwgnizable pattem <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />