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Sequoia 1455 McDowell Blvd North Ste D <br /> 4 41N <br /> Petaluma-CA 94954 <br /> (707) 792-1865 <br /> I&V Analytical <br /> FAX(707) 792-0342 <br /> Blaine Technical Services,Inc Project Shell Oil Co Sampled 2/11/99 <br /> 1680 Rogers Ave Project Number 1267 Country Club,Stockton 1990211-K2 Received 2/16/99 <br /> San Jose,CA 95112 Project Manager Ann Pember Re orted 4/9/99 <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 Linuts Limit Result Units Notes* <br /> S-1 P902377-01 Water <br /> Gasoline 9020489 2/23/99 2/23/99 500 1660 ug/l <br /> Benzene 0 500 605 " <br /> Toluene 0 500 640 " <br /> Ethylbenzene 0 500 140 " <br /> Xylenes(total) 0 500 350 " <br /> Methyl tert-butyl ether 200 5 02 " <br /> Surrogate a,a,a-Trrfluorotoluene toof 650-135 105 % <br /> Surrogate 4-Bromofluorobenzene 650-135 101 " <br /> S-2 P902377-02 Water <br /> Gasoline 9020489 2/23/99 2/23/99 500 18000 ug/l <br /> Benzene " 11500 112 " <br /> Toluene 500 ND " <br /> Ethylbenzene 500 743 " <br /> Xylenes(total) 500 1160 " <br /> Methyl tert-butyl ether 200 ND <br /> Surrogate a,a,a-Trrfluorotoluene 650-135 980 % <br /> Surrogate 4-Bromofluorohenzene 650-135 993 it <br />_S-3 P902377-03 Water <br /> Gasoline 9020489 2/23/99 2/23/99 Soo 344 ug/1 <br /> Benzene " 1. 1. 0 500 104 " <br /> Toluene to11 to0 500 ND " <br /> Ethylbenzene 0 500 ND " <br /> Xylenes(total) 0 500 ND " <br /> Methyl tert-butyl ether 200 ND " <br /> Surrogate a,a,a-Trifluorotoluene 650-135 106 % <br /> Surrogate 4-Bromofluorobenzene 650-135 977 " <br /> S=4 P902377-04 Water <br /> Gasoline 9020489 2/23/99 2123199 500 ND ug/l <br /> Benzene 0 500 ND " <br /> Toluene 0 500 ND " <br /> Ethylbenzene 0 500 ND " <br /> Xylenes(total) 0 500 ND " <br /> Methyl tert-butyl ether 200 ND " <br /> Surrogate a a,a-Trfluorotoluene 650-135 105 % <br /> Surrogate 4-Bromofluorobenzene 650-135 102 " <br /> SS=S P902377-05 Water <br /> Gasoline 9020504 2/23/99 2123/99 500 ND ug/1 <br /> Sequoia Analytical-Petaluma *Refer to end of report for text ofnotes and definitio <br /> APR 0 9 1999 <br /> Page 2 of i i <br />