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Sequoia 680 Chesapeake Drive Redwood City.CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N.Wlget Lane Walnut Creek.CA 94598 (925)988-9600 FAX(925)988-9673 <br /> Analytical 819 Striker Avenue.Suite 8 Sacramento,CA 95834 (916)921-9600 FAX(916)922-0100 FAX{707)792-0342 <br /> 1455 McDowell Blvd.North,Ste.D Petaluma.CA 94954 (707)79Z-1865 4 <br /> ATC Associates,Inc. Project: SUSD/Corporation Yard Sampled: 2123199 to 2/24/99 <br /> 1 l 17 Lone Palm Ave.,Suite B Project Number: na Received: 3/l/99 <br /> Modesto,CA 95351 Project Manager: Tom Lutterman Reported: 3115/99 <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 /> SUSDICY-SB9-20.5 continued P903097-21 Soil <br /> Benzene 9030195 3/9/99 3/9199 2.00 ND ug/kg <br /> Toluene 2.00 ND <br /> Ethylbenzene 2.00 ND <br /> Xylenes(total) _ _' 4.00 ND _F <br /> Surrogate: a,a,a-Trifluorotoluene - 97.3 <br /> Surrogate: 4-Bromofluorobenzene - 90.0 <br /> SUSDICY-SB9-25.5 P903097-22 Soil <br /> Gasoline 9030195 3/9199 3/9/99 400 ND ug/kg <br /> Benzene 2.00 ND " <br /> Toluene 2.00 ND <br /> Ethylbenzene 2.00 ND <br /> Xylenes(total) _ 4.00 ND <br /> .wogate: a,a,a-Trifluorotoluene I' - 103 <br /> rogate: 4-Bromofluorobenzene " 88.3 It <br /> SUSD/CY-SB9-30.5 P903097-23 Soil <br /> LGasoline 9030195 319199 3/9/99 400 ND ug/kg <br /> Benzene 2.00 ND " <br /> Toluene 2.00 ND " <br /> Ethylbenzene " " " 2.00 ND <br /> Xylenes(total) 4.00 ND <br /> Surrogate: a,a,a-Trifluorotoluene - 99.3 <br /> Surrogate: 4-Bromofluorobenzene - 90.3 " <br /> SUSD/CY-S1139-35.5 P903097-24 Sail <br /> Gasoline 9030195 3/9199 3/9/99 400 ND ug/kg <br /> Benzene " 2.00 ND <br /> Toluene 2.00 ND <br /> Ethylbenzene 2.00 ND " <br /> Xylenes(total) 4.00 ND " <br /> Surrogate: a,a,a-Trifluorotoluene - _ 99.7 <br /> Surrogate: 4-Bromofluorobenzene " to " - 83.0 " <br /> SUSD/CY-SB940.5 P903097-25 Soil <br /> Gasoline 9030195 3/9/99 319/99 400 ND ug/kg <br /> Benzene 2.00 ND " <br /> Toluene 2.00 ND " <br /> Ethylbenzene " " 2.00 - ND <br /> Xylenes(total) 4.00 ND <br /> rogate: a,a,a-Triuorotoluene " 94.3 <br /> , Sequoia Analytical-Petaluma 'Refer to end of report for text of notes and definitions. <br /> Page 5 of 29 <br />