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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 190it <br /> 0 Bates Avenue Sue L Concord CA 94520 (510) 686 9600 FAX(510)686 9689 <br /> lI-0 Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)92.1 0100 <br /> Touchstone Development Client Prol ID 8632-2,-Chevron 9-8632 Sampled 08/17/94 <br /> P O Box 2554 Sample Descript PX-3 Received 08/18/94 <br /> Santa Rosa, CA 95405 Matrix SOLID Extracted 08/22/94 <br /> Analysis Method 8015Mod/8020 Analyzed 08/22/94 <br /> Attention Jeff Monroe Lab Number 9408A94-03 Reported 08125194 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> mg/Kg m9/Kg <br /> TPPH as Gas 50 490 <br /> Benzene 025 025 <br /> Toluene 025 N D <br /> Ethyl Benzene 025 28 <br /> Xylenes (Total) 025 2 0 <br /> Chromatogram Pattern <br /> Weathered Gas C6-C12 <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 103 <br /> 0 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Tague Clark <br /> Project Manager Page 3 <br /> c� <br />