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I <br /> 110 2nd Avenue South,#137, Pacheco,CA 94553-5560 <br /> 4 !McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> htto/lwww mccatripbell com E-mail main@mccampbell cam <br /> • <br />' Advanced GeoEnvtronmental Client Project ID Flag City Chevron Date Sampled 11/16/00 <br /> 4005 North Wilson Way Date Received 11/17/00 <br />' Stockton,CA 95205 Client Contact Tim Cuellar Date Extracted 11/20-11/21/00 <br /> Client P O Date Analyzed 11/20-11/21/00 <br />' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,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 ID ClLent ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 53613 Influent W 62,f --- ND ND ND ND 104 <br /> f53614 Effluent W ND --- ND ND ND ND 95 <br /> II <br /> I <br /> I <br /> 1 <br />' Reporting Limit unless W 50 ug/L 50 0 5 05 0 5 0 5 <br /> otheiwise stated ND <br />' means not detected above <br /> the reportuig 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,sod and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/f, <br />' z cluttered chromatogram,sample peak coelutes with surrogate peak <br /> 'The following descriptions of the TPH chromatogram are cursory to 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 <br /> chromatographic peaks are significant biologically altered gasolme9 e)TPH pattern that does not appear to be derived from gasolene(9) f) <br /> onL to a tew isolated peaks present,g)strongly aged gasoline or diesel Lange compounds are significant,h)lighter than water immiscible <br />' sheen is present i)liquid sample that cvntams greater than�5 vol %sediment t)no recognizable pattern <br /> DHS Certification No 1644 - Edward Hamilton, Lab Director <br /> 1 <br />