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Squoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX(650) 364-9233 <br /> e 404 N Wiget Lane Walnut Creek,CA 94598 (925)988-9600 FAX(925)988-9673 <br /> ,5)— 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> Analytical 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> Blaine Technical Services, Inc Project Shell Oil Co Sampled 1/26199 <br /> 1680 Rogers Ave Project Number 141 N EI Dorado, Stockton/990126-S2 Received 212/99 <br /> San Jose,CA 95112 Project Manager Fran Thie Reported 2/12199 <br /> Total Petroleum Hydrocarbons as Gasoline and BTEX by EPA 8015M18020M <br /> Sequoia Analytical�Petaluma <br /> Batch Date Date Surrogate Reporting <br /> Analyte Number Prepared Analyzed Limits Limit Result Units Notes* <br /> V-EW-1 P902071-01 Water <br /> Gasalrne 9020174 2/8/99 218199 500 884 ug/l 1 <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 200 276 " <br /> Surrogate a a a-Triflucrotoluene 650-135 114 % <br /> Surrogate 4-Bromofluorobenzene 650-135 790 11 <br /> VEW-2 P902071-02 Water <br /> Gasoline 9020174 2/8/99 2/8/99 500 ND ug/1 <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 200 425 " <br /> Surrogate a,a a-Trifluorotoluene 650-135 100 % <br /> Surrogate 4-Bromofluorobenzene 650-135 953 11 <br />-----VEW-3 P902071=03 Water <br /> Gasoline 9020174 2/8/99 2/8/99 500 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 tent-butyl ether 200 220 " <br /> Surrogate a a a-Trifluorotoluene " 650-135 104 % <br /> Surrogate 4-Bromofluorobenzene 650-135 963 01 <br /> VEW-4 P902071-04 Water <br /> Gasoline 9020174 2/8/99 2/8/99 Soo 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 200 688 " <br /> Surrogate a a,a-Trfluorotoluene 650-135 109 % <br /> Surrogate 4-Bromofluorobenzene IF 650-135 877 <br /> RW-1 P902071-05 Water <br /> Gasoline 9020174 2/8/99 2/8/99 500 ND ug/l <br /> Sequoia Analytical-Petaluma *Refer to end of report for text of holes and definitions <br /> Page 2 of 10 <br /> Ca <br />