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Sequoia 1455 McDowell Blvd North Ste D <br /> Petaluma,CA 94954 <br /> (707) 792-1865 <br /> D-� Analytical FAX(707) 79Z-0342 <br /> Cambria Environmental Project Shell Oil Co Sampled 8/11/99 to 8112/99 <br /> 270 Perkins St Project Number 440 W Charter,Stockton Received 8/13/99 <br /> Sonoma,CA 95476 Project Manager Aubrey Cool Reported 8/20/99 <br /> Total Petroleum Hydrocarbons as Gasoline and BTEX by EPA 8015M/8020M <br /> Sequoia Analytical-Petaluma <br /> Batch Date Date Surrogate Reporting <br /> lAnalyte Number Prepared Analyzed Limits Lmvt Result UnitsNotes* <br /> T6-N-25 0' P908378-01 Soil <br /> Gasoline 9080398 8/17/99 8/17/99 0 400 NO mg/kg <br /> Benzene 000200 ND " <br /> Toluene 000200 ND " <br /> Ethylbenzene 000200 ND " <br /> Xylenes(total) 000400 00172 " <br /> Methyl tert-butyl ether 00100 ND " <br /> Surrogate a a a-Trifluorotoluene " 650-135 106 % <br /> Surrogate 4-Bromofluorobenzene 650-135 873 <br /> T6-S-25 0' P908378-02 Soil <br /> Gasoline 9080398 8/17199 8117199 0 400 ND mg/kg <br /> Benzene 1, 000200 ND " <br /> Toluene 000200 NO " <br /> Ethylbenzene 000200 NO " <br /> Xylenes(total) 000400 ND " <br /> Methyl tert-butyl ether 00100 ND <br /> Surrogate a a a-Trifluorotoluene 650-135 105 % <br /> Surrogate 4-Bromofluorobenzene " " " 650-135 89 7 " <br /> T6/7-S-20 0' P908378-03 Soil <br /> Gasoline 9080398 8/17/99 8/17/99 0 400 492 Mg/1'g 1 <br /> Benzene 1. " 000200 ND " <br /> Toluene 000200 ND " <br /> Ethylbenzene — ___ __�_ _ _ _ __ 0 00200__ 0 00519 <br /> Xylenes(total) 000400 00836 " <br /> Methyl tert-butyl ether 00100 ND <br /> Surrogate a,a,a-Trifluorotoluene 650-135 103 % <br /> Surrogate 4-Bromofluorobenzene 650-135 883 11 <br /> T7-N-24 5' P908378-04 Sail <br /> Gasoline 9080398 8/17/99 8/17/99 0 400 154 mg/kg I <br /> Benzene 000200 ND " <br /> Toluene 000200 ND " <br /> Ethylbenzene 000200 00180 " <br /> Xylenes(total) 000400 00535 " <br /> Methyl tert-butyl ether 00100 ND <br /> Surrogate a a a-Trtfluorotoluene 650-135 803 % <br /> Surrogate 4-Bromofluorobenzene " " " 650-135 117 " <br /> T7-S-19 0' P908378-05 Sod <br /> Gasoline 9080398 8/17/99 8/17/99 0 400 ND mg/kg <br /> rr <br /> Sequoia Analytical-Petaluma "Refer to end of report for text of notes and definmo <br /> Page 2 of 16 <br />