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I <br /> Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(4 15) 364 9233 <br /> 1900 Bates Avenue Suite L Concord CA 94520 {510} 686 9600 FAX(510) 686 9689 <br /> ,-!1)— Analytical 819 Striker 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 Q Box 2554 Sample Descnpt WX-6 Received 08/10/94 <br /> Santa Rosa, CA 95405 Matrix SOLID Extracted 08/16/94 <br /> Analysis Method 8015Mod/8020 Analyzed 08/16/94 <br /> Attention Jeff Monroe Lab Number 9408829-04 Reported 08129194 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> mg/Kg mg/K9 <br /> TPPH as Gas 10 130 <br /> Benzene 0 050 0 063 <br /> Toluene 0 050 0 070 <br /> Ethyl Benzene 0 050 21 <br /> Xylenes (Total) 0 050 1 1 <br /> Chromatogram Pattern <br /> Weathered Gas C8-C12 <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 110 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Tague Clark <br /> P ct Manager Page 9 <br /> rte, <br />