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1 Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364 9600 FAX(650)364 9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Sinker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Pacific Environmental Group Client Proj ID 920-119 1A/9-6171, Stockton Sampled 12/23/97 <br /> 2025 Gateway Place, Suite 440 Sample Descnpt WO-2 Received 12/23/97 <br /> San Jose, CA 95110 Matrix SOLID Extracted 12/26/97 <br /> Analysis Method EPA 8015 Mod Analyzed 12/29/97 <br /> Attention Tim Anensen Lab Number 9712E29-02 Reported 01J05J98 <br /> OC Batch Number GC1226970HBPEXA <br /> Instrument ID GCHP513 <br /> Total Extractable Petroleum Hydrocarbons (TEPH) <br /> Analyte Detection Limit Sample Results <br /> mg/K9 m9/K9 <br /> TEPH as Diesel __ 1000 <br /> 900 <br /> Chromatogram Pattern C9-C24 Unid4 HC <br /> Surrogates Control Limits% % Recovery <br /> n-Pentacosane (C25) 50 150 Q <br /> 0 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Granicher <br /> Project Manager Page 10 <br />