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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (650) 364 9600 FAX(650)364 9233 <br /> 4D 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 /> Blaine Tech Servicesµ» ~� z Client Prol ID Chevron 9-8264%970827-T1 µ Sampled»08/27/97 <br /> 1680 Rogers Avenue Sample Descript MW4 Received 08/28/97 <br /> San.lose, CA 95112 Matrix LIQUID Extracted 08/29/97 <br /> Analysis Method EPA 8015 Mod Analyzed 09/03/97 , <br /> ,,Attention Fran Thie » _Lab Number 9708E76-04 Reported 09J09j97 - <br /> CC Batch Number GC0828970HBPEXB <br /> Instrument ID GCHPSB <br /> Total Extractable Petroleum Hydrocarbons (TEPH) <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TEPH as Diesel 50 110 <br /> Chromatogram Pattern C9-C24 Unidentified HC <br /> Surrogates Control Limits % % Recovery <br /> n-Pentacosane (C25) 50 150 76 <br />• <br /> Results quantitated against a dieset standard <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA A ICAL - ELAP #1210 <br /> Peggy Penner <br /> ct Manager Page zs <br />