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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 com <br /> Advanced GeoEnvironrnental Client Project ID Three B's Track Plaza Date Sampled 08/30/00 <br /> 4005 North Wilson Way Date Received 08/31/00 <br /> IStockton,CA 95205 Client Contact Tire Cuallar Date Extracted 08/31-09101100 <br /> Client P O Date Analyzed 08/31-09/01/00 <br /> Gasoline Range(C&C12)Volatile Hydrocarbons as Gasolene*,with Methyl Cert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Say Region)method GCFID(5030) <br /> I Lab 1D Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> I <br /> 46429 MW-00 08 <br /> 30-0W 3500,a ND<10 1400 8 8 34 30 108 <br /> 46430 MW-2108 W 5100,a ND<400 1500 76 31 96 105 <br /> 30-00 <br /> 46431 MW-3/08- W 8100,a ND<250 1700 58 79 160 109 <br /> I 30-00 <br /> 46432 MW-4/0$ W ND 17 ND ND ND ND 104 <br /> 30-00 <br /> 46433 MW- W 170,a ND 1 7 094 ND ND 114 <br /> 30-000 08 <br /> 46434 MW-6/08- W 6700,a ND<150 1000 39 43 55 109 <br /> 30-00 <br /> I • <br /> I <br /> IReporting Limit unless W 50 ug/L 5 0 0 5 05 0 5 0 5 <br /> otherwise stated,ND <br /> means not detected above S 1 0 m <br /> the reporting limit $ 0 OS 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 /> I0 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 /> I 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 <br /> . chromatographic peaks are significant,biologically altered gasolmc:9,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 vol %sediment,I)no recognizable pattern <br /> 1 <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />