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SenT by: mcuatnpDell HnalyLlUali U40 100 `rVre:,. may r as ri . ,�nmr Toyer .gra <br /> • 110 2nd Avenue South,ND7,Pacheco,CA 94553.5560 <br /> FMcCAMPBELL <br /> ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> hhgR:/1wwwmccamobell.cnm E-mail:main@mccampbell.com <br /> Date Sampled:04/29/99 <br /> Advanced GeoEnvironmental Client Project ID: Flag City Chevron <br /> Date Received: 04/30/99 <br /> 4005 North Wilson Way <br /> Stockton,CA 95205 Client Contact:Tim Cuellar Date Extracted:04/30-05/03/99 <br /> Client P.O: Date Analyzed:04/30-05/03/99 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether*At BTEX* <br /> EPA methods 5030,mudified 801 S and 8020 or 602:California RW RSP Bay Itc ion method GCFID 5030 <br /> Gthylben- %Recovery <br /> Lab IU Client ID Matrix TPH(g) MTBE Benztarc 'Toluene zene Xylenes Surro ate <br /> 10179 DW-1 W -- 14 --- — --- -- 103 <br /> 4Reportingimit unless W 50 ug/1• 5.0 0.5 0.5 0.5 0.5 <br /> tated;NUected above S 1.0 mg/kg 0.05 0.005 0.WS 0.005 0.005 <br /> the reporting limit <br /> •water and vapor samples are reported in ug/1..,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPL?extracts <br /> in ug/1. <br /> 'cluttered chromatogram;sample peak coelules with surrogate peak <br /> 'The following descriplims of the 'I P1 chromatogram are cursory in nature and McCamphell Analytical is not responsible for their <br /> interpretation: a) unmodified or weakly modified gasoline is significant; b) heavier gasoline Tango compounds we significant(aged <br /> gawlinc'1): c) lighter gasoline range compounds (the most mobile faction) aro significant; d) gasoline range compounds having broad <br /> chromatographic peaks are significant;biologically altered gasoline?;e)TTH pattern that docs not appear to be derived from gasoline(1);0 <br /> one to a fmv isolated peaks present;g)strongly aged gasoline or diesel range compounds are significant;h)lighter than water immiscible <br /> sheen is roent i li uid sant Ie that umtains eater than-5 v01.%sediment:' no taco nirahle Rauem. <br /> DHS Certification No. 1644 1 ._Edward Hamilton,Lab Director <br />