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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 /> 64http//wwwmcc.amocitco E-mail main@mccampbell com <br />' Advanced GeoEnvironmental Client Project 1D Flag City Date Sampled 07/13/2000 <br /> 4005 North Wilson Way Date Received 07/14/2000 <br /> Stockton,CA 95205 Client Contact Tim Cuellar Date Extracted 07/14/2000 <br />' Client P O Date Analyzed 07/14/2000 <br /> Gasoline Range(C&M)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 Client ID Matrix TPH(g)} MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 42944 B T/07-13-00 W ND 440 ND ND ND ND 98 <br /> 1 <br /> 1 <br /> 1 <br />' Reporting Limit unless <br /> W SOug/L 50 OS 05 OS OS <br /> otherwise stated,ND means <br />' not reeptected orting above the 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 mg/kg,and all TCLP and SPLP extracts <br />' m ug/L II <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 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 gasoline? e)TPH pattern that does not appear to be derived from gasoline <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 j)no rccognizable patter <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br /> I <br />