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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX (40) 364 9233 <br /> 4D- 1900 Bates Avenue Suite L Concord CA 94520 (510) 686 9600 FAX (510) 686 9689 <br /> �IAnalytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916) 921 0100 <br /> Touchstone Development Client Prot ID 8632-2, Chevron 9-8632 Sampled 08/17/94 <br /> P O Box 2554 Sample Descnpt PX-6 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 9408A94-06 Reported 08J25J94 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> mg/Kg mg/Kg <br /> TPPH as Gas 25 370 <br /> Benzene 012 084 <br /> Toluene 012 052 <br /> Ethyl Benzene 012 63 <br /> Xylenes (Total) 012 3 0 <br /> Chromatogram Pattern <br /> Weathered Gas C6-C12 <br /> Surrogates Control Limits% % Recovery <br /> Trifluorotoluene 70 130 126 <br /> 0 <br /> Analytes reported as N D were not present above the stated lima of detection <br /> SEQUOIA ANALYTICAL - ELAP 41210 <br /> 4ClarTp9gue <br /> Clark <br /> Protect Manager Page 6 <br />