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1 <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MC <br /> ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> F4 1 0 -http//wwwmcqamPbellcom E-mail main@mccampbell com <br />' Advanced GeoEnvironmental Client Project rD 3B's Truck Plaza Date Sampled 01/12/01 <br /> 4005 North Wilson Way Date Received 01/17/01 <br />' Stockton, CA 95205 Client Contact Tim Cuellar Date Extracted 01/17-01/19/01 <br /> Client P O Date Analyzed 01117-01/19/01 <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 />' i.ab ID Client ID Malnx TPH{g)+ MTBE Benzene Toluene =benzene <br /> Xylenes %Recovery <br /> Surrogate <br /> 58054 P-12/17-20 W 7500,a -- 2100 1d0 94 220 102 <br /> i58055 P-12143-46 W 780,a,i --- 15 32 15 69 117 <br /> 58056 P-12/64-67 W ND --- ND 087 ND 20 107 <br />' 58057 P-12193-96 W 310,a --- 35 10 62 31 117 <br /> P-121916- <br /> 58058 W 2900,a,i --- 67 92 50 240 ---" <br /> 10 <br /> 1 <br />' Reporting Limit unless W 50 ug/L 5 0 05 05 05 Os <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit S 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,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 /> 'The following descriptions of the TPH chromatogram are cursory in natrre and McCampbell Analytical is not responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is significant, b) heavier gasoline range compounds are sigiificant(aged <br /> gasohner7), 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 gasolme O),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,,])no recognizable pattern <br /> I <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />