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' I 10 Second Ax enuc South #D7, Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Telephone *)10-798-1620 Fax 510-798-1622 <br /> http Uwww mccam bell con E-mail main@mccampbell com <br /> Advanced GeoEnvironmental Client Project ID Chapin Biotheis Date Sampled 01/22/98 <br /> 4005 North Wilson Way Date Received 01/23/98 <br /> ' Stockton, CA 95205 Client Contact Bill Little Date Extracted 01/23/98 <br /> Client P 0 Date Analyzed 01/23/98 <br /> Gasoline Range(C6-Cl2)Volatile Hydrocarbons as Gasohne* with NlethNI tert-But31 Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602 California RWQCB(SF Baa Region)111cthod GCFiD(5030) <br /> Lab ID Client ID Matrix TPH(g)' MTBE Benzene Toluene Eihylben- Xylenes %Recovery <br /> zene Surrogate <br /> 85199 Pre Cat—OX Air 1600,1 --- N D 6 6 5 7 48 1191, <br /> ' 85200 Well VW1 Air 5900,1 -- ND 14 36 300 1341 <br /> i <br /> ' Reporting Limit unless Air 50 ug/L 5 0 0 i 03 0 i 0 5 <br /> otherwise stated ND means <br /> not detected above the <br /> ' reporting limit S 1 0 mg/kg 0 Oi 0 005 0 005 0 005 0 005 <br /> *tN ater and vapor samples are reported in ug/L,wipe samples Iii UUN ipe snit ind sludge samples ui me11,2 and all TCLP and SPLP extracts <br /> in ug1L <br /> 'cluttered chromatogram sample peak coelutes with surrogate peak <br /> 'The following descriptions of the TPH chromatogram are cursory in nature and ME-Campbell Anahtical is not responsible for their <br /> ' interpretation a) unmodified or weakly modified gasoline is significant b) heaiier g.sulme range compounds are significant(aged <br /> gasoline') c) lighter gasoline range compounds (the most mobile fraction) aie aLniticant d) gasoline range compounds haying broad <br /> chromatographic peals are significant,biologically altered gasoline' e)TPIJ pattern that doe.not appear to be derived from gasoline(') i) <br /> one to a few isolated peaks present g)strongly aged gasoline or diesel i inut Lompoiuids sit �ignsticain h)lighter than water immiscible <br /> sheen is present i)liquid sample that contains greater than—5 N of '% sed:mull J)nn ruogniiablL patten) <br /> DHS Certification No 1644 / Edward Hamilton,Lab Director <br />