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110 2nd Avenue South,#D7,Pacheco, CA 94553-5560 <br />' McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> fittp//www mccampbell corn E-mail mann@mccampbell corn <br /> FShaw <br /> eoEnvyronrnental Client Project lD Chase Van Buren Date Sampled 02/28/01 16 <br /> ad Data Received 03/01/01 <br /> tockton, CA 95215 Client Contact Paul Dotson Date Extracted 03/01-03106101 <br /> Client P O Date Analyzed 03/01-03/06/01 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*, with Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 oir602 Califom)a RWQCB(SF Bay Region)method GCI�ID(5030) <br />' Lab Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br /> ID benzene Surrogate <br /> 61124 MW3/022801 W 160,000,a,h ND<200 4300 33,000 3000 34,000 112 <br />' 61125 MW6/022801 W 100,a ND 1 9 ND 12 0 70 109 <br /> 61126 MW7/022801 W 280,a ND ND 0 63 21 52 109 <br />' 61127 MW9/022801 W 23,000,a ND<20 20 32 1300 3100 97 <br />' 61128 MW 10/022801 W ND ND ND ND ND ND 99 <br /> 61129 MW 1 4102 2 8 0 1 W ND ND ND ND ND ND 96 <br /> 61130 <br /> lie <br /> MW15/022801 W ND ND ND ND ND ND 100 <br /> 61131 M W 1 6102 2 8 0 1 W ND ND ND 0 97 ND 12 97 <br />' 61132 MW17/022801 W ND ND ND 067 ND 1 1 99 <br /> Reporting Limit unless W 50 ug/L 5 0 05 0 5 0 5 <br /> otherwise stated ND means 0 5 , <br /> not detected above the <br /> reporting limit 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 ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in uglL <br /> I "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 srgntficant(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 gasohne?,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 is present i)liquid sample that contains greater than ry-5 vol %sediment 1)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />