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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 (9Z5)988-9600 FAX(925)988-9673 <br /> fi�Ill� <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 /> ......N:=:.•-......-:::_:........._......:::::..........:...-:::::.........::.........__...,..:::•::•::••:::::••:::•:::._:::::.._::................................................................................................._...... ... ........ <br /> :::::: ::: asss:::::::::::s:::::s ::: :::a :„:a: : :: :::::::::::::::_::::_::::::::::::__......::::::............_......::: :: ::::s::e::sa: <br /> Blaine Tech Services Client Proj. ID: Chevron 9-0557/990217-K1 Sampled: 02/17/99 <br /> 1680 Rogers Avenue Sample Descript: MW-5 Received: 02/17/99 <br /> i San Jose, CA 95112 Matrix: LIQUID <br /> Analysis Method: 8015Mod/8020 Analyzed: 03/02/99 <br /> At <br /> Attention: Christine Lillie Lab Number: 9902856-05 Reported: 03/04/99 <br /> QC Batch Number: GC030299802005A <br /> Total Purgeable Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas .................... 50 .................... 140 <br /> Methyl t-Butyl Ether 2.5 N.D. <br /> Benzene -------------------- 0.50 .......... 5.3 <br /> Toluene 0.50 N.D. <br /> Ethyl Benzene 0.50 N,D, <br /> Xylenes (Total) .................... 0.50 .................. 1.8 <br /> Chromatogram Pattern: .................. GAS <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 90 <br /> Analytes reported as N.D.were not present above the stated limit of detection. <br /> SEQUOIA ANALYTICAL - ELAP #1271 <br /> �G <br /> 41— <br /> i Mei Shin <br /> oject Manager Page: 5 <br />