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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MGCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' http//www mccampbell eom E-mail main@mecampbell com <br />' Advanced GeoEnvironmental Client Project ID Cal Fuels Date Sampled 09/07/00 <br /> 4005 North Wilson Way Date Received 09/08/00 <br />' Stockton, CA 95205 Client Contact Tim Cuellar Date Extracted 09/08/00 <br /> Client P O Date Analyzed 09/08/00 <br /> Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasohne*,with Methyl tert-Butyl Ether* & BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RW CB SF BayRe ion method GCFI17 5030 <br />' Lab ID Client ID Matnx TPH(g); MTBE Benzene Toluene hthenbe n Xylenes %Recovery <br /> ate <br /> 47027 Inlet Air 1500,bj ND 1 3 46 76 84 105 <br />' 47028 Outlet Air ND ND ND 096 ND 23 101 <br /> 1 <br /> Reportmg Limit unless Air 50 ug/L 50 05 05 05 05 <br /> otherwise stated ND <br /> means not detected above S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <br /> the reporting limit <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 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) unmodifii,d or weakly modified gasoline is significant b) heavier gasoline range compounds are signiticuit(ngcd <br /> gasolinel) 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(7),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 resent,i li uid sam le that contains neater than�5 vol %sediment, no recd izable attern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />