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Sequoia 680 Chesapeake Drive Redwood City, CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 1900 Bates Avenue Suite L Concord CA 94520 (510) 686 9600 FAX(510) 686 9689 <br /> Analytical 819 Stnker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916) 921 0100 <br /> Touchstone Development Client Prod ID 8632-2, Chevron 9-8632 Sampled 08/10/94 <br /> P 0 Box 2554 Sample Descript WX-7 Received 08/10/94 <br /> Santa Rosa, CA 95405 Matrix SOLID Extracted 08/11/94 <br /> Analysis Method EPA 8015 Mod Analyzed 08/11/94 <br /> Attention Jeff Monroe Lab Number 9408596-03 Reported 08112Y94 <br /> Total Extractable Petroleum Hydrocarbons (TEPH) <br /> Analyte Detection Lima Sample Results <br /> mg/Kg mg/K9 <br /> TEPH as Diesel 10 1 1 <br /> Chromatogram Pattern <br /> Non Diesel Mix C10-C22 <br /> Surrogates Control Limits % % Recovery <br /> n-Pentacosane (C25) 50 150 113 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br />!ie Tague Clark <br /> o�ect Manager page 6 <br />