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Sequoia 1455 McDowell Blvd North Ste D <br /> Petaluma CA 94954 <br /> (707) 792-1865 <br /> Analytical <br /> FAx(707) 792-0342 <br /> • <br /> ERI Project TOSCO Sampled 5/12199 <br /> 73 Digital Dr Suite 100 Project Number Tosco 76#5886/205504777 Received 5/13199 <br /> Novato,CA 94949 Project Manager Keith Romstad Reported 5/25/99 <br /> Total Petroleum Hydrocarbons as Gasoline and BTEX by EPA 8015M/8020M <br /> Sequoia Analytical-Petaluma <br /> Batch Date Date Surrogate Reporting <br /> [Analyte Number Prepared Analyzed Lirruts Unut Result Units Notes* <br /> A-Inf-MW2/14 00 P905281-01 Air <br /> Gasoline 9050346 5/13/99 5/13/99 10 0 ND ug/l <br /> Benzene 0100 ND " <br /> Toluene 0100 ND " <br /> Ethylbenzene " " " 0100 ND " <br /> Xylenes(total) 0 100 ND <br /> Surrogate a,a,a-Trifluorotoluene 650-135 913 ,% <br /> Surrogate 4-Bromofluorobenzene 650-135 100 " <br /> A-Inf-MW6/15 00 P905281-02 Air <br /> Gasoline 9050346 5/13/99 5/13199 10 0 ND ugA <br /> Benzene 0100 ND " <br /> Toluene " 0100 0189 " <br /> Ethylbenzene 0100 ND " <br /> Xylenes(total) 0100 ND " <br /> rrogate a,a,a-Trifluorotoluene 650-135 927 % <br /> rrogate 4-Bromofluorobenzene 650-1.35 100 " <br /> A-Inf-M W6/17 15 P905281-03 Air <br /> Gasoline 9050345 5/I3/99 5/13/99 10 0 ND ug/l <br /> Benzene " 0100 ND " <br /> Toluene 0100 ND " <br /> Ethylbenzene 0100 ND <br /> " <br /> Xylenes(total) 0 100 ND " <br /> Surrogate a a a-Trifluorotoluene 650-135 103 % <br /> Surrogate 4-Bromofluorobenzene 650-135 104 " <br /> uoia Analytical-Petaluma *Refer to end of report for text of notes and definitions <br /> ,per Page 2 of 7 <br />