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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 (510)•988.9600 FAX(510)988-9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921.9600 FAX(916)921-0100 <br /> i <br /> ::::::::u:::�a»n:u::::::::u:•.�a»::::::::::::i:::u::::»:» <br /> -i Cambria Client Proj. ID: Shell 1257 Country Club Blvd Sampled: 02/19/98 iH <br /> 270 Perkins Ave. Sample Descript: S-3-15 Received: 02/23/98 <br /> ri Sonoma, CA 95476 Matrix: SOLID Extracted: 02/25/98 <br /> Analysis Method: EPA 8260 Analyzed: 02/26/98 <br /> .Attention:Joe N !e!Y._ ........._...........................................L,ab.Number_98021761-05......_.................,..................................:........_......_............_._...Reported: <br /> QC Batch Number: MS022598MTBEEXA <br /> Instrument ID: F3 ' <br /> Oxygenate Compounds (EPA 8260) <br /> R. <br /> Analyte Detection Limit Sample Results <br /> ug/kg ug/kg <br /> . W I <br /> Ethanol 25000 N.D. <br /> t-Butanol 5000 N.D. <br /> Methyl t-Butyl Ether (MTBE) 100 N.D. <br /> Di-Isopropyl Ether (DIPS) r 100 N.D. <br /> Ethyl t-Butyl Ether (ETBE) 100 N.D. <br /> t-Amyl Methyl Ether (TAME) 100 N.D. <br /> Surrogates Control Limits % % Recovery <br /> 1,2-Dichloroethane-d4 70 121 76 <br /> I <br /> i <br /> I <br /> I <br /> I <br /> I <br /> i <br /> i <br /> i <br /> i <br /> I <br /> I <br /> Analytes reported as N.D.were not present above the stated limit of detection. <br /> r <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> { <br /> ' 9 . <br /> Projger _ Page: E4 <br /> ectMa <br />