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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 /> 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 /> 1551 Industrial Road San Carlos,CA 94070-4111 (650)232-9600 FAX(650)232 9612 <br /> Is <br /> Blaine Tech Services Project Chevron(3) Sampled 3/5/99 <br /> 1680 Rogers Avenue Project Number Chevron 9-3232,990305-JI Received 318199 <br /> San Jose,CA 95112 Project Manager Chnstme Lilhe Reported 3/26/99 <br /> Sample Description AlW-3 <br /> Laboratory Sample Number: L903064-03 <br /> Batch Date Date Specific Method/ Reporting <br /> Analyte Number Prepared Analyzed Surrogate Limits Limit Result Units Notes* <br /> Sequoia Analytical-San Carlos <br /> Total Pureeable Hvdrocarbons(C6-C12),BTEX and MTBE by DHS LUIF'T <br /> Purgeable Hydrocarbons as Gasoline 9030043 3/11/99 3111/99 125 793 ug/l 1 <br /> Benzene it 125 231 " <br /> Toluene 1 25 2 63 " <br /> Ethylbenzene 1 25 12 9 " <br /> Xylenes(total) 1 25 ND " <br /> Methyl tert-butyl ether 12 5 186 " <br /> Surrogate a a a-Triuorotoluene 700-130 171 % 4 <br /> Volatile Organic Oxygenated Compounds by EPA Method 8260A <br /> Ethanol 9030030 3/10/99 3/10/99 3000 ND ug/l <br /> Tert-butyl alcohol 200 ND " <br /> Methyl tert-butyl ether 200 657 " <br /> Di-isopropyl ether 200 ND " <br /> I1 tert-butyl ether 200 ND " <br /> amyl methyl ether 200 ND " <br /> Surrogate 1,2-Dichloroethane-d4 760-114 912 <br /> ota Analytical -San Carlos *Refer to end of report for text of notes and definitions <br /> I <br /> Page 4 of 10 <br />