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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 /> ,�D— <br /> Analytical 819 Striker Avenue,Sustc 8 Sacramento,CA 95834 (916) 921.9600 FAX(916)921-0100 <br />: <br /> i <br /> k <br /> ............................... ...... ::::::::;:::11/19/97 <br /> :1:/19/9 7 <br /> :::::::::::Sam::lEd <br /> Blaine Tech Services Client Proj. ID: Chevron 9 8632/971 111 p <br /> 1680 Rogers Avenue Sample Descript: MW-3 Received: 11/20/97 <br /> €€ San Jose, CA 95112 Matrix: LIQUID <br /> Analyzed: 12/01/97 <br /> AnalYss <br /> i Method. <br /> EPA 8260 <br /> Y <br /> be <br /> r: 9711 C65 <br /> -4312/23/97PE .O....rt....e <br /> d: <br /> Ae r n Thie Lab um . . <br /> ......... <br /> QC Batch Number: MS120197MTBEH6A <br /> Instrument ID: H6 <br /> Oxygenate Compounds (EPA 8260) <br /> Analyte Detection Limit Sample Results I <br /> ug/L ug/L <br /> Ethanol 920 N.D. <br /> I t-Butanol 180 N. <br /> D. <br /> Methyl t-Butyl Ether (MTBE) 3.7 270 <br /> Di-Isopropyl Ether (DIPE) 3.7 N.D. <br /> Ethyl t-Butyl Ether(ETRE) 3.7 N.D. <br /> t-Amyl Methyl Ether (TAME) 3.7 N.D. <br /> Surrogates Control Limits % % Recovery <br /> 1,2-Dichloroethane-d4 76 114 103 <br /> I _ <br /> Analytes reported as N.D.were not present above the stated limit of detection. <br /> SEQUOIA A AL - ELAP #1210 <br /> Peggy Penner <br /> Project Manager Page: 8 l <br />