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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 6) 1900 Bates Avenue Suite L Concord CA 94520 (510) 686 9600 FAX(510)686 9689 <br /> Analytical 819 Striker Avtnue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Touchstone Development Client Proj ID 8632-2, Chevron 9-8632 Sampled 08/10/94 <br /> P O Box 2554 Sample Descript WX-3 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 9408829-02 Reported 08J29j94 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> mg/K9 mg/Kg <br /> TPPH as Gas 25 240 <br /> Benzene 012 048 <br /> Toluene 012 N D <br /> Ethyl Benzene 012 067 <br /> Xylenes (Total) 012 3 9 <br /> Chromatogram Pattern Gas <br /> Surrogates Control Limits % % Recovery <br /> eco ery <br /> Trifluorotoluene 70 130 111 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP 01210 <br /> Tague Clark <br /> Project Manager Pae 5 <br /> 9 <br />