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I <br /> 110 2nd Avenue South,#lD7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> h -//www mccam bell com E-mail main@mccampbell com <br />' Advanced GeoEnvironmental Client Project ID Flag City Chevron Date Sampled l 1/13100 <br />' 4005 North Wilson Way Date Received 11/14/00 <br /> i <br /> Stockton, CA 95205 Client Contact Tim Cuellar Date Extracted 11/14-11/16/00 <br />' Client P O Date Analyzed 11114-11/16/00 <br /> Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline*,with Methyl tent-Butyl Ether* & BTEX* <br /> EPA methods 5030 modified 8015 and 8020 or 602 Califorma RW CB SF Bay Region)method GCFID 5030 <br />' Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Sumo ate <br /> 53217 Influent W 59,b 340 ND ND ND 061 105 <br />' 53218 Effluent W ND ND ND ND ND ND 102 <br /> 1 <br /> lie <br /> I <br /> 1 <br />' Reporting Limit unless <br /> W SOug(L 50 OS OS 05 OS <br /> otherwise stated,ND <br />' means not detected above <br /> the reporting limitS 10 mg/kg 005 0 005 0 005 0 005 0 005 <br /> *water and vapor samples are reported in ug/L,wipe samples in ug/wipe,sod and sludge samples in mg/kg,and all TCLP and SDLP extracts <br />' in ug1L <br /> A cluttered chromatogram sample peak coelutes with surrogate peak <br /> "rhe 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 gasolme9 e)TPH pattern that does not appear to be denved from gasoline(�) t) <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, liquid sample that contains greater than—5 vol %sediment no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />