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y 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364 9233 <br /> 1 Sequoia 404 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> r—� 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)79Z-0342 <br /> Blaine Technical Services,Inc Project Shell Oil Co Sampled 3111199 <br /> 1680 Rogers Ave Project Number 341 East Main St,Ripon/990311-L1 Received 3/15199 <br /> San Jose,CA 95112 Project Manager Fran Thte Reported 3126199 <br /> Total Petroleum Hydrocarbons as Gasoline and BTEX by EPA 8015M18020M <br /> Sequoia Analytical-Petaluma <br /> Batch Date Date Surrogate Reporting <br /> lAnalyte Number Prepared Analyzed Limits Limit Result Units Notes* <br /> MW-1 P903469-01 Water <br /> Gasoline 9030545 3123199 3124199 50000 ND ug/1 <br /> Benzene 500 ND " <br /> Toluene 500 ND " <br /> Ethylbenzene 500 ND " <br /> Xylenes(total) 500 ND " <br /> Methyl tert-butyl ether 2000 112000 _ <br /> Surrogate a a a-Trifluorotoluene 650-135 950 % <br /> Surrogate 4-Bromofluorobenzene 650-135 100 11 <br /> MW-2 P903469-02 Water <br /> Gasoline 9030545 3123199 3124/99 Soo ND ug/l <br /> Benzene 0 500 ND " <br /> Toluene 0 500 190 " <br /> Ethylbenzene 0 500 ND e' <br /> lenes(total) 0 500 0 602 <br /> thyl tert-butyl ether " 200 ND --- - <br /> 'Surrogate a,a a-Trifluorotoluene 650-135 950 % <br /> Surrogate 4-Bromofluorobenzene 650-135 105 11 <br /> MW-3 P903469-03 Water <br /> Gasoline 9030545 3123199 3123199 500 ND ug/l <br /> Benzene " to 1. 0 500 ND " <br /> Toluene 0 500 193 " <br /> Ethylbenzene 0 500 ND <br /> Xylenes(total) 0 500 0 672 <br /> Methyl tert-butyl ether 200 ND i <br /> Surrogate a,a,a-Triuorotoluene " " 650-135 980 % <br /> "Surrogate 4-Bromofluorobenzene 650-135 100 " <br /> EW-1 P903469-04 Water <br /> Gasoline 9030545 3123199 3123199 500 ND ug/l <br /> Benzene " " " 500 ND " <br /> Toluene „ " " 500 ND " <br /> Ethylbenzene 500 ND " <br /> Xylenes(total) " " " Soo ND to <br /> Methyl tert-butyl ether " " " 200 5090 " _— <br /> Surrogate a,a,a-Trifluorotoluene 65 0-135 100 % <br /> Surrogate 4-Bromofluorobenzene " " " 65 0-135 101 " <br /> EW-2 P903469-05 water <br /> Gasoline 9030545 3/23/99 3124199 500 ND ug/l <br /> uoia Analytical-Petaluma *Refer to end of report for text of notes and definitions <br /> �q Page 2 of 9 <br /> `bcs' <br />