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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 /> http//www mccampbell com E-mail main@mccampbell coin <br />' Advanced GeoEnvironmental Client Project ID Newfield-Lodi Date Sampled 06/19/2000 <br /> Project' <br /> 4005 North Wilson Way Date Received 06/20/2000 <br /> Stockton, CA 95205 Client Contact Bill Little Date Extracted 06/20/2000 <br />' Client P O Date Analyzed 06/20/2000 <br /> Gasoline Range(C&C12)Volatile Hydrocarbons as Gasohne*,with Methyl tert-Butyl Ether*&BTEX* <br /> FPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br />' Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 40778 Pre-OX Air 12,000,c,a --- 25 86 45 280 -_" <br />' 40779 Post-OX Air 100,b --- ND-11ND ND 34 95 <br /> 1 <br /> li <br /> I <br /> I <br /> IReporting Limit unless <br /> Air 50 ug/L 50 OS OS OS OS <br /> otherwise stated,ND <br /> means not detected above S 1 0 m 005 0 005 0 005 0 005 0 005 <br /> the reporting limit �g <br /> *water and vapor samples are reported in ug/L,wipe samples in ugfmpe,soil and sludge samples in mg/kg,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 McCampliell 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 /> gasolme9), c) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline9,e)TPM pattern that does not appear to be derived from gasoline(?),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, )no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />