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110Ina Avenue South,#137 Pacheco,CA 94553-5560 <br /> McCA.i MEELL ANALYTICAL NC Telephone 925-798-1620 Fax 925-798.1622 <br />' i ttn//www mccam bell corn E-mail matn@mceampbell corn <br /> Advanced GeoEnvtronmental Client Project M Flag City Chevron Date Sampled 10/15/01 <br />' 837 Shaw Road Date Received 10/16/01 <br />' Stockton, CA 95215 Client Contact Tun Cuellar Date E%tracted 10/16/01 <br /> Client P O Date Analyzed 10/16/01 <br />' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Diethyl tent-Butyl Ether*&BTEX <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RGvQCB(SF Bay Region)method GCFID(5030) <br /> ELabID Client 1D Matrix TPH(g)+ MTBE Benzene Toluene Ethyl Xylenes %Recovery <br />' benzene Surrogate <br /> 80943 Influent W ND 23 ND ND ND ND 104 <br />' 80944 Effluent W ND ND ND ND ND ND 106 <br /> Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting brut S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <br /> water and vapor samples are reported in ug/L,wipe samples in us/wipe,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 /> f '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 sigmficant(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(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 rs present,�)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 />