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I <br /> 110 2nd Avenue South,#1307,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> h llwww ccam E-mail main@mccampbell corn <br /> I <br /> i <br /> Advanced GeoEnvironmental Client Protect ID Marlowe Properties Date Sampled 07/11/40 <br /> 4005 North Wilson Way Date Received 07/18/00 <br /> r Stockton, CA 95205 Client Contact Brian Millman Date Extracted 07/18/00 <br /> i <br /> I <br /> Client P O Date Analyzed 07/18/00 <br /> rGasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tart-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 Ethen en- Xylenes %Recovery <br /> ze Surrogate <br /> 43157 P1-20 S ND ND ND ND ND ND 97 <br /> 43158 P1-25 S ND ND ND ND ND ND 95 <br /> I <br /> 43159 PI-30 S ND ND ND ND ND ND 109 <br />' 43160 P1-35 S ND ND ND ND ND ND 103 <br />' 43161 P1-40 S ND ND ND ND ND ND 102 <br /> 43162 P1-45 S ND ND ND ND ND ND 104 <br /> 10 <br /> i <br /> Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated ND <br /> means not detected above S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <br /> the reporting limit <br /> *water and vapor samples are reported in ugiL,wipe samples in ug/rvipe,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 McCampbell Analytical is not responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is significant b) heavier gasoline range compounds are signlficant(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 gasoltne9 e)TPH 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 /> sheen is present,1)liquid sample that contains greater than—5 vol %sediment,])no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />