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1 - - <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' http//www mccamnbell com E-mail main@mccampbell com <br />' <br /> Advanced Geo)âś“nviranmental Client Project ID Flag City Date Sampled 07/19/00 <br />' 4005 North Wilson Way Date Received 07/20/00 <br /> Stockton, CA 95205 Client Contact Tim Cuellar Date Extracted 07/20/00 <br />' Client P O Date Analyzed 07/20/00 <br /> Gasoline Range(C&C12) Volatile Hydrocarbons as Gasoline*, with Methyl tent-Butyl Ether* & BTEX* <br />' EPA methods 5030 modified 8015,and 8020 or 602 California RW CB SF Bay Region)method GCFID 5030 <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Ethylben- %Recovery <br /> zene Benzene Toluene Xylenes Surrogate <br />' 43326 Baker W ND 260 ND ND ND ND 93 <br /> Tank/07-19-00 <br /> 1 <br /> lie <br /> 1 <br /> i <br /> i <br /> Reporting Limit unless W 50 ug/L 5 0 0 5 0 5 0 5 05 <br />' otherwise stated,ND means <br /> not detected above the <br /> reporting limitS 10 mg/kg 0 05 0 005 0 005 0 005 0 005 <br /> i *water and vapor samples are reported in ug/L,wipe samples in ug/wtpe,soil and sludge samples to mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> 0 cluttered chromatogram sample peak coelutes with surrogate peak <br />' -Flic tollowmg 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 sigmficant(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 gasoline?,e)TPH pattern that does not appear to be derived from gasoline(?) t) <br /> i 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 t)liquid sample that contains greater than--5 vol %sediment, )no reco izable pattern <br /> DHS Certification No 1644 'Edward Hamilton, Lab Director <br /> i <br />