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1 <br /> 110 Second Avenue South,#D7, Pacheco,CA 94553-5560 <br /> 4 MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//wwwrnccaml2beIlcorn E-mail main@mccampbell cam <br /> Advanced GeoEnvironmentat Client p Project 1D Chapin Date Sampled 06/04/9$ <br /> J <br />' 4005 North Wilson Way Date Received 06/04/98 <br /> Stockton,CA 95205 Client Contact Bill Little Date Extracted 06/04-06/05/98 <br />' Client P O Date Analyzed 06104-06/05/98 <br /> Gasoline Range(C6-Cl2) Volatile Hydrocarbons as Gasoline*, with Methyl tert-Butyl Etlier* &BTEX* <br />' EPA methods 5030,modified 8015,and 8020 or 602,Calitomra RWQC fi(Id-Bay Region)method GC ID(5030) <br /> Lab ID Client ID Matrix TPH(g)` MTBE Bencene Toluene Ethylben- Xylenes %Recovery <br /> Gene Surrogate <br /> 90055 Pre Cat Air 52,c --- ND ND ND ND 106 <br /> 1 <br /> Reporting Limit unless Air 50 ug/L 5 0 05 05 05 05 <br /> other wise stated ND <br /> means not detected above <br /> the reporting limit S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <br /> *«atcr and vapor samples are reported in ug/L,wipe samples m uglwrpc boil and sludge samples in mg/kg and all TCLP and SPLP extracts <br /> in ug/L <br /> elutteied chromatogram sample peak coe[utes with surrogate peak <br />' 'T}u following descriptions of the TPF{ chromatogram are cursory in ndture and McCampbcll Analytical r] not responsible for their <br /> inteipretahon a) unmodified or weakly modified gasoline is signil5cant b) heavier gasoline range compounds are significant(aged <br /> gasoline') c) lighter gasoline range compounds (the most mobile hacnon) are significant d) gasoline range compounds having broad <br /> chiomatogrdphic peaks are significant biologically altered gasolure' c) ]PH pAW111 that docs not appear to be dei rved from gasoline(9) f) <br /> one, Loi few isolated peaks present,g)strongly aged gaSO1111c,of diesel range,compounds are significant h) lighter than water immiscible <br /> sheen is present i)liquid sample that contains greater than—5 vol %„u.dmn.nt J)no iecognrzabk pattern <br /> DHS Certification No 1644 /,"Z Edward Hamilton, Lab Director <br />