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1 <br /> Sequoia 680 Chesapeake Dnve Redwood City CA 94063 (650) 364 9600 FAX(650)364 9233 <br /> 404 N W3get Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510) 988 9673 <br /> 1 IrtAnalytical 819 Stnker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> i <br /> 1 <br /> 1 Pacific Environmental Group Client Proj ID 311-174 1A/5447, Stockton Sampled 02/24/98 <br /> 2025 Gateway Place, Suite 440 Sample Descript SP2(D-F)comp Received 02/24/98 <br /> San Jose, CA 95110 Matrix SOLID Extracted 02/25/98 <br /> Analysis Method EPA 8015 Mod Analyzed 02/26/98 <br /> 1 Attention Jessica Nelligan Lab Number 9802F69-03 Reported 02126198 <br /> QC Batch Number GCO225980HBPEXC <br /> Instrument ID GCHP5A <br /> 1 Total Extractable Petroleum Hydrocarbons (TEPH) <br /> Analyte Detection Limit Sample Results <br /> mg/Kg mg/Kg <br /> 1 TEPH as Diesel 20 32 <br /> Chromatogram Pattern <br /> Weathered Diesel C9-C24 <br /> 1 Surrogates Control Limits % % Recovery <br /> n-Pentacosane (C25) 50 150 135 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 Analytes reported as N D were not present above the stated Itmit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> 1 <br /> od Granicher <br /> Project Manager Page 7 <br /> I <br />