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Sequoia 1455 McDowell Blvd North,Ste D <br /> Petaluma,CA 94954 <br /> Analytical (707) 792-1865 <br /> FAX{707} 792-0342 <br /> t <br /> Cambria Environmental Project Equiva 10d Sampled 12/6/99 <br /> 270 Perkins St Project Number 2494 Fremont St,Stockton,Ca Received 12/7/99 <br /> Sonoma,CA 95476 Project Manager Bob Perlowski Reported 12/20/99 <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 Limits Limit Result Units Notes* <br /> S4-40 P912220-08 Soil <br /> Gasoline 9120351 12/15/99 12/15/99 100 ND mvkg <br /> Benzene 000500 ND " <br /> Toluene 000500 ND " <br /> Ethylbenzene 000500 ND " <br /> Xylenes(total) 000500 ND " <br /> Methyl tent-butyl ether 00500 ND " <br /> Surrogate a a a-Trifluorotoluene 650-135 92 2 % <br /> Surrogate 4-Bromofluorobenzene 650-135 104 " <br /> S4-45 P912220-09 Soil <br /> Gasoline 9120351 12/15/99 12/15/99 100 ND mg/kg <br /> Benzene " 000500 ND " <br /> Toluene 000500 ND " <br /> /benzene 000500 ND <br /> es(total) 000500 ND " <br /> yl tert-butyl ether 00500 ND " <br /> Surrogate a a a-Tnfluorotoluene 650-135 89 5 % <br /> Surrogate 4-Bromofluorobenzene " " " 650-135 103 Of <br /> S4-50 P912220-10 Soil <br /> Gasoline 9120351 12/15/99 12/15/99 100 ND mg/kg <br /> Benzene 000500 ND " <br /> Toluene 000500 ND " <br /> Ethylbenzene 000500 ND " <br /> Xylenes(total) 000500 ND " <br /> Methyl tert-butyl ether 00500 ND " <br /> Surrogate a a a-Trifluorotoluene 650-135 W5 <br /> Surrogate 4-Bromofluorobenzene 650-135 105 If <br /> S4-55 P912220-11 Soil <br /> Gasoline 9120351 12/15/99 12/15/99 100 ND mg/kg <br /> Benzene 000500 ND " <br /> Toluene 000500 ND <br /> Ethylbenzene 000500 ND " <br /> Xylenes(total) 000500 ND " <br /> Methyl tert-butyl ether 00500 ND " <br /> Surrogate a a,a-Trtfluorotoluene 650-135 888 % <br /> Surrogate 4-Bromofluorobenzene 650-135 995 11 <br /> S4-60 P912220-12 Sol] <br /> Gasoline 9120351 12/15/99 12/15/99 100 ND mg/kg <br /> aia Analytical-Petaluma *Refer to end of report far text of notes and definitions <br /> Page 2 of 5 <br />