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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> r McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http I/www mccamphdl com E-mail mainQa mccampbell com <br /> • <br /> Advanced GeoEnvironrnental Client Project 1D Cal Fuels Date Sampled 02/18/2002 <br /> 837 Shaw Road Date Received 02/18/2002 <br /> Stockton, CA 95215 Client Contact Tim Cuellar Date Extracted 02/19-02/20/2002 <br /> Client P O Date Analyzed 02/19-02/20/2002 <br /> Gasoline Range(C6-C12)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 Ethyl Xylenes %Recovery <br /> benzene Surrogate <br /> 90618 Influent Air 560,a ND 061 6 0 086 26 __# <br /> 90619 Effluent Air ND ND ND 062 ND 0 95 106 <br /> 10 <br /> �I <br /> Reporting Limit unless Air 50 ug/L 50 05 05 0 5 05 <br /> otherwise stated,ND <br /> means not detected above �g <br /> the reporting limit S 1 0 m 0 OS 0005 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 /> in ug/L <br /> I <br /> Of 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?,c)TPH pattern 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 water 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 /> I <br />