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i <br /> I1455 McDowell Blvd North,Ste D <br /> Sequoia Petaluma,CA 94954 <br /> (707)792-1865 <br /> Analytical FAX(707)792-0342 <br /> faETFIC Engineering Project Exxon Sampled 3/30/99 <br /> P O Box 4429 Project Number 4444 N Pershing Ave,StocktonfUP3942 Received 4/1199 <br /> IWalnut Creek,CA 94596 Pro ect Manager Chnsta Martin Re rted 4114199 <br /> Total Petroleum Hydrocarbons as Gasoline and BTEX by EPA 8015NV8020M <br /> Sequoia Analytical-Petaluma <br /> Batch Date Date Surrogate Reporting <br /> lAnalyte__ Number Prepared Analyzed Ltrruts Lirrut Result Units Notes* <br /> IP2 P904058-01 Water <br /> Gasoline 9040272 4112/99 4/1.3199 500 950 ug/l <br /> Benzene 0 500 ND " <br /> IToluene " 0 500 ND <br /> Ethylbenzene 0 500 581 " <br /> Xylenes(total) 0 500 ND <br /> Methyl tert-butyl ether _ 200 ND " <br /> ISurrogate a,a,a-Trifluorotoluene I, 650-135 963 % <br /> Surrogate 4-Bromofluorobenzene 650-135 903 " <br />' RW 1 ,I P904058-02 Water <br /> Gasoline 9040272 4112/99 4/13/99 500 8150 ug/1 <br /> Benzene 5 00 197 <br /> Toluene 500 678 <br /> Ethylbenzene 5 00 432 " <br /> [encs(total) 500 967 " <br /> ethyl tent-butyl ether _ — ---- - - --- 200 --- ND -- --- --- <br />' Surrogate a a a-Trrfluorotoluene 650-135 970 <br /> Surrogate 4-Bromofluorobenzene 650-135 88 7 <br /> UVB-MW 1 P904058-03 Water <br /> Gasoline 9040272 4/12/99 4/13/99 10000 144000 ug/l <br /> Benzene 100 11600 <br /> Toluene 100 25400 " <br /> Ethylbenzene „ 100 3390 <br /> Xylenes(total) 100 17200 <br /> _Methyl tert-butyl ether 400--- ND _— <br /> Surrogate a a a-Trnfluorotoluene " 650-135 91 7 % <br /> Surrogate 4-Bromofluorobenzene 650-135 92 7 " <br /> UVB-MW2 P904058-04 Water <br /> Gasoline 9040272 4/12/99 4/13/99 500 6290 ugll <br /> Benzene 500 805 " <br /> Toluene 500 76 1 " <br /> Ethylbenzene " Soo 366 <br /> Xylenes(total) 5 00 240 " <br /> Methyl tert-butyl ether 200 ND <br /> Surrogate a a a-TrifJuorololuene 650-135 92 0 % <br /> Surrogate 4-Bromofluorobenzene " 650-135 877 " <br /> V2 P904058-05 Water <br /> Gasoline 9040281 4/13199 4/13/99 10000 77900 ug/l <br /> I—Sequoia Analytical-Petaluma *Refer to end of report for text of notes and definitions <br /> Page 2 of 6 <br />