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ry•680 Chesapeake Drive Redwood Cl CA 94063 <br /> Sequoia (650)364-9600 FAX(650)364-9233 <br /> /� 404 N.Wiget 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)921-0100 <br /> !] <br /> l 1455 McDowell Blvd.North.Ste.D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> 1 E <br /> Associates,Inc. Project: SUSD/C3 orporanon Yard Sampled: 2/23/99 to 2124!99 <br /> 7 Lone Palm Ave.,Suite B Project Number: naReceived: 311/99 <br /> esto,CA 95351 Project Manager Tom Lutterman Reported: 3115199 <br /> i <br /> BTEX by 8020M <br /> Sequoia Analytical-Petaluma <br /> i <br /> Batch Date Date Surrogate Reporting <br /> Analyte Number Prepared Analyzed Limits Limit Result Units Notes* <br /> SUSD/CY-SB3-15.5 P903097-01 Soil 3 <br /> Benzene 9020581 315/99 315199 100 ND ug/kg <br /> Toluene 100 ND " <br /> Ethylbenzene 100 ND <br /> Xylenes(total)_ 200 ND <br /> Surrogate: a,a,a-Trifluorotoluene - 99.0 <br /> Surrogate: 4-Bromofluorobenzene 88.0 <br /> SUSD/CY-SB3-20.5 P903097-02 Soil <br /> Benzene 9030158 3/9199 3/9199 2.00 ND ug/kg <br /> Toluene 2.00 ND " <br /> Ethylbenzene 2.00 ND " <br /> Xylenes(total) 4.00 ND _ <br /> Surrogate: a,a,a-Trifluorotoluene - 95.3 ' <br /> ESD/CY-SB3-35.5 <br /> P903097-03 Soil , <br /> Benzene 9030158 3/5/99 315/99 2.00 ND ug/kg <br /> Toluene 2.00 ND <br /> Ethylbenzene " " 2.00 ND <br /> iiiwww Xylenes(total) _ 4.00 ND <br /> Surrogate. a,a,a-Trifluorotoluene - 98.7 <br /> Surrogate: 4-Bramofluorobenzene84.711 <br /> SUSDICY-SB4-15.5 P903097-04 Soil <br /> Benzene 9030158 3/5199 315/99 2.00 ND ug/kg <br /> Toluene 2.00 ND <br /> Ethylbenzene 2.00 ND <br /> Xylenes(total) 4.00 ND <br /> Surrogate: a,a,a-Trifluorotoluene - 99.0 <br /> Surrogate: 4-Bromofluorobenzene - 82.0 11 1 <br /> SUSDICY-SB4-20.5 P903097-05 Soil <br /> Benzene 9030158 3/5/99 3/5/99 2.00 ND ug/kg ; <br /> Toluene 1, 11 2.00 ND <br /> Ethylbenzene 2.00 ND " <br /> Xylenes(total) _ 4.00 ND " <br /> Surrogate: a,a,a-Trifluorotoluene �� 97.3 <br /> i� Surrogate: 4-Bromofluorobenzene 82.3 <br /> SUSD/CY-SB4-25.5 P903097-06 Soil <br /> Benzene 9030158 315199 315/99 2.00 ND ug/kg <br />' !-tuene " " " 2.00 ND " <br /> LSequoia Analytical-Petaluma *Refer to end of report for text of notes and definitions. <br /> Page 9 of 28 <br />