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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br />' McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> 14 http//www mccampbell corn E-mail main@mccampbell cora <br /> Advanced GeoEnvironmental Client Project 1D Lodi Theater Date Sampled 01/23/01 <br /> 4005 North Wilson Way Date Received 01/24/01 <br /> Stockton,CA 95205 Client Contact Bill Little Date Extracted 01/24/01 <br />' Client P O Date Analyzed 01/24/01 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl Cert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,Califomia RWQCB(SF Bay Region)method GCFID(5030) <br />' Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethyl Xylenes %Recovery <br /> benzene Surrogate <br /> 58604 Inlet Air 15,000,a --- 34 140 77 470 119 <br />' 58605 Outlet Air 61,b --- ND ND ND 3 2 103 <br /> I <br /> I <br /> t <br />' Reporting Limit unless Air 50 ug/L 50 0 5 0 5 0 5 0 5 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit S 10 mg/kg 0 05 0 005 0 005 0 005 0 005 <br /> 'water and vapor samples are reported in ug/L,wipe samples to ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> in 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 /> gasoline?), c) lighter gasoline range compounds (the most mobile fraction)are significant, d) gasoline range compounds having broad ie <br /> chromatographic peaks are significant,biologically altered gasoline?,e)TPH pattern that does not appear to be derived from gasoline(v),f) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water immiscible <br /> Isheen is present,t)liquid sample that contains greater than�5 vol %sediment,I)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />