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110 Second Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Telephone 510-798-1620 Fax 510-798-1622 <br /> hn//wwwmccampbell.com E-mail main@mccampbell com <br />' Advanced GeoEnvironmental Client Proiect 1D Cal Fuels Date Sampled 07/14/97 <br /> 1803 West March Lane, Ste A Date Received 07/16/97 <br />' Stockton,CA 95207 Client Contact Tim Cuellar Date Extracted 07/16/97 <br /> Client P O Date Analyzed 07/16/97 <br /> Gasoline Range(C6-Cl2)Volatile Hydrocarbons as Gasoline*,mith Methyl tert-Butyl Ether*&BTEX* <br /> RPA methods 5030,modified 8015,and 8020 or 602 California RWQCB(SF Bay Region)method GCFID(5030) <br />' Ethylben- %Recovery <br /> Lab ID Client ID <br /> Matrix TPH(g) MTBE Benzene Toluene zene Xylenes Surrogate <br /> 78640 VW-111100 Air 40,OOO,c,a ND<58 680 4000 710 2500 119" <br /> 78641 VW-1/100 Air 50,OOO,c,a ND<45 720 4400 910 3300 134* <br /> 78642 VW-1/3 00 Air 40,OOO,c,a ND<74 650 3800 690 2500 112" <br />' 78643 VW-1/5 00 Air 42,OOO,c,a ND<58 670 4000 720 2500 112" <br /> t <br /> 1• <br /> 1 <br /> 1 <br /> Reporting Limit unless Air 50 ug/L S 0 0 5 0 5 0 5 0 5 <br /> otherwise stated ND <br /> means not detected above <br /> the reporting limit 5 10 mg/kg 005 it 005 0 005 0 005 0 005 <br /> "water and vapor samples are reported in ug/L,wipe samples in ug/wipe boil and sludge samples in mg/kg and all TCLP and SPLP extracts <br /> in ug/L <br /> "cluttered chromatogram sample peak coclutes 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 sigriificant(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(')),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,i)liquid sample that contains greater than—5 vol %sediment j)no recognizable pattern <br />' i d Hamilton Lab Director <br /> DHS Certification No 1644 Edward , <br />