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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364-9600 FAX(415) 364-9233 <br /> N W;get Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510) 988 9673 <br /> ,-!D- <br /> 404 Analytical 819 Sinker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916) 921 0100 <br /> i <br /> -Touchstone Developments Client Prol ID Chevron 9-8264/8264-1 Sampled 11/07/95 <br /> " 6280 Stoneridge Mall Rd B211 Sample Descript UO Received 11/08/95 <br /> Pleasanton, CA 94588 Matrix SOLID Extracted 11/13/95 <br /> ' Analysis Method FPA 8015 Mod Analyzed 11/14/95 <br /> Attention Ann Marie Dockstader _ Lab_Number 9511587-17 - Reported 11J16195 <br /> OC Batch Number GC1113950HBPEXA - --- — ---—---- -- - - - _ <br /> Instrument ID GCHPSA <br /> Total Extractable Petroleum Hydrocarbons (TEPH) <br /> Analyte Detection Limit Sample Results <br /> mg/Kg mg/Kg <br /> TEPH as Diesel 1 0 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits% % Recovery <br /> n-Pentacosane (C25) 50 150 77 <br /> Results quantitated against a diesel standard <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQU IA ANALYTICAL - ELAP #1210 <br /> Mark Cargasacchi <br /> orct Manager Page 30 <br />