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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364 9600 FAX(650)364 9233 <br /> 404 N Wrget Lane Walnut Creek CA 94598 (5 10) 988 96W FAX(510)988 9673 <br /> Analytical <br /> 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 Descript 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 01121198 <br /> QC Batch Number GC1226970HBPEXA <br /> Instrument ID GCHP5B <br /> Total Extractable Petroleum Hydrocarbons (TEPH) <br /> Analyte Detection Limit Sample Results <br /> mg/Kg mg/Kg <br /> TEPH as Diesel 1000 4900 <br /> Chromatogram Pattern C9-C24 Unid -HC <br /> Surrogates Control Limits% % Recovery <br /> n-Pentacosane (C25) 50 150 Q <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Im Granicher <br /> Project Manager Page 10 <br />