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110 2nd Avenue South,#137,Pacheco, CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' http//www mccampbell com E-mail main@mccampbell cam <br />' Advanced GeoE.nvironinental Client Protect ID ChaseNan Buren Date Sampled 02/15/2001 <br /> 837 Shaw Road Date Received 02/16/2001 <br />' Stockton, CA 95215 Client Contact Tim Cuellar Date Extracted 02/16/2001 <br /> Client P O Date Analyzed 02/16/2001 <br /> IGasoline Range (C&C12) Volatile Hydrocarbons as Gasoline*,with Methyl tent-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 Toluene benzene Ethyl Xylenes %Recovery <br /> Surrogate <br /> 60298 INFLUENT Air ND ND ND ND ND ND 104 <br /> I <br /> i <br />' Reporting Limit unless Air 50 ug/L 50 05 05 05 05 <br /> otherwise 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 /> *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 their <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 are significant,biologically altered gasolmO,e)TPH pattern that does not appear to be derived from gasoline(h),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 i)liquid sample that contains greater than—5 vol %sediment j)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton Lab Director <br />