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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 /> X1,1 Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 92.1 9600 FAX(916)92l 0100 <br /> Touchstone Development Client Prol ID 8632-2, Chevron 9-8632 Sampled 08/22/94 <br /> P O Box 2554 Sample Descript ASP-1 (A-D) Received 08/24/94 <br /> Santa Rosa, CA 95405 Matrix SOLID Extracted 08/25/94 <br /> Analysis Method 8015Mod/8020 Analyzed 08/25/94 <br /> Attention Jeff Monroe Lab Number 9408E43-01 Reported 08j29/94 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Lima Sample Results <br /> mg/Kg mg/Kg <br /> TPPH as Gas 1 0 N D <br /> Benzene 00050 N D <br /> Toluene 00050 N D <br /> Ethyl Benzene 00050 N D <br /> Xylenes (Total) 00050 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> Trlfluorotoluene 70 130 83 <br /> i <br /> � C <br /> I <br /> Analytes reported as N D were not present above the stated ilnlit of detection <br /> SEQUOIA ANALYTICAL - ELAP 01210 <br /> Tague Clark <br /> Project Manager Page t <br />