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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 /> 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)79Z-1865 FAX(707)792-0342 <br /> 1551 Industrial Road San Carlos, CA 94070-4111 (650)232-9600 FAX(650)232-9612 <br /> .........::::::.....:::::: ........................11:::::::::::::::::.....::::: :::::::::::::_:::_:;::::::::::::::::::::::::::::::::::: ::::_:::::::::::::_.:::::::::::::::::::::::::::::::: ::::::::...... . <br /> Blaine Tech Services Client Proj. ID: Chevron 9-0557/990217-K1 Sampled: 02/17/99 <br /> 1680 Rogers Avenue Sample Descript: MW-9 Received: 02/17/99 <br /> San Jose, CA 95112 Matrix: LIQUID <br /> Analysis Method: 8015Mod/8020 Analyzed: 02/26/99 <br /> Attention: Christine Lillie - Lab Number: 9902656-09 Reported: 03/04/99 <br /> ::: : :::::.......- ::::::_: - :: ::::::..................::::::::::::::::::::::::......:::::: : <br /> ..................................... <br /> QC Batch Number: GCO22699802005A <br /> Total Purgeabie Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas .................... 5000 .................... 25000 <br /> Methyl t-Butyl Ether 250 N.D. <br /> Benzene .................... 50 ...............I.... 2600 <br /> Toluene .................... 50 .................... 6000 <br /> Ethyl Benzene .................... 50 .................... 670 <br /> Xylenes (Total) .......•............ 50 .................... 4000 <br /> Chromatogram Pattern: .................... .................... GAS <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 95 <br />• <br /> Analytes reported as N.D.were not present above the stated limit of detection. <br /> SEQUOIA ANALYTICAL FLAP #1271 <br /> ,e+ Mei Shin <br /> roject Manager Page: s <br />