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110 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> 24 1 tip LIwww mccampbell com E-mail main@mccampbell com <br /> Advanced GeoEnvironmental Client Protect ID MBP-Lodi Date Sampled 10/28-30/98 <br />' 4005 North Wilson Way Date Received 11/03/98 <br /> Stockton,CA 95205 Client Contact Bill Little Date Extracted 11/03-11/09/98 <br /> Client P O Date Analyzed 11/03-11/09/98 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether*& BTEX* <br />' EPA methods 5036,modified 8015,and 8020 or 602,Cal:fomia RWQCB(SF Bay Region)method GCFID(5030) <br /> Lab ID Client 1D Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br />' 98071 S136-35 S I80,bd --- 0051 099 1 9 12 113 <br /> 98072 SB6-40 S ND --- ND ND ND ND 97 <br /> 98073 SB7-30 S ND --- ND ND ND ND 105 <br /> 98074 SB745 S ND --- ND ND ND ND 104 <br />' 98075 SB7-55 S ND --- ND ND ND ND 94 <br /> Reporting Limit unless W 50 ug/L 5 0 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting lima m S 1 0 /k 005 0 005 0 005 0 005 0 005 <br /> mg/kg <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 /> :n ug/L., <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) I'lMler 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 paltem 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 %tater immiscible <br /> sheen is present,i)liquid sample that contains greater than—5 vol %sediment,j)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />