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110 2nd Avenue South,#177,Pacheco,CA 94553-5560 <br /> 4MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' hqp//www mccampbell co m E-mail main@mccampbell com <br /> i <br />' Advanced GeoEnvironmental Client Project 1D CAL Fuels Date Sampled 01/24/01 <br /> 4005 North Wilson Way Date Received 01/25/01 <br />' Stockton, CA 95205 Client Contact Tim Cuellar Date Extracted 01125-01/26/01 <br /> Client P O Date Analyzed 01/25-01/26/01 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasohne*,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 1D Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethyl Xylenes %Recovery <br /> benzene Surrogate <br /> 58687 Influent Air 1400,b0 - ND 23 3 8 110 107 <br />' 58688 Effluent Air 370,b j --- ND 5 1 1 2 28 99 <br /> t <br /> 1 <br />' Reporting Limit unless Air 50 ug/L 50 0 5 05 0 5 0 5 <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 mglkg,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 cignificant(aged <br /> gasolmO), c) lighter gasoline range compounds (the most mobile fraction) are significant d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasolmel e)TPH pattern that does not appear to be derived from gasoline(9),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 /> sheen is present,i)liquid sample that contains greater than 5 vo] %sediment,1)no recognizable pattern <br /> 1 <br /> DHS Certification No 1644 Edward Harmlton,Lab Director <br />