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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (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 /> 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 /> I <br /> uoia-Redwood City Project Met Mei Shin Sampled 3/19/99 <br /> Chesapeake Dnve Project Number 9903891(Blame) Received 3/30199 <br /> wood City,CA 94063 Project Manager Met Mei Shin Reported 411/99 <br /> Sample Description 9903B91-03 <br /> Laboratory Sample Number L903298-03 <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 Pur eable Hydrocarbons C6-C12 BTEX and MTBE by DHS LUFT <br /> Purgeable Hydrocarbons as Gasoline 9040006 3/31199 3/31/99 500 ND ugll <br /> Benzene " 0 500 ND " <br /> Toluene 11 0 500 ND " <br /> Ethylbenzene 0 500 ND " <br /> Xylenes(total) 0 500 ND <br /> Methyl tert-butyl ether 500 ND " <br /> Surrogate a,a,a-Trifluorotoluene 700-130 95 6 <br /> Volatile Organic Oxygenated Compounds by EPA Method 8260A <br /> Ethanol 9030147 3/30/99 3/30/99 3000 ND ug/! <br /> Tert-butyl alcohol 200 ND " <br /> Methyl tert-butyl ether 200 ND <br /> Di-isopropyl ether 2 00 ND " <br /> yl tert-butyl ether " „ „ 200 ND " <br /> -amyl methyl ether " " 200 ND " <br /> arrogate 12-Dichloroethane-d4 760-114 161 <br /> uoia Analytical- San Carlos `Refer to end of report for text of notes and definitions <br /> Q Page 4 of 9 <br />