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� fl 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N WISet Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> Analytical 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> �} 1551 Industrial Road San Carlos, CA 94070-4111 (650)232-9600 FAX(650)232-9612 <br /> Cambria Client Pro' ID Shell 341 Main St, Ripon Sampled 02/25/99 <br /> 1144 65th St Suite C Sample Descript SP-1c Received 02/26/99 <br /> Oakland, CA 94608 Matrix SOLID Extracted 03/08/99 <br /> Analysis Method EPA 8015 Mod Analyzed 03/09/99 <br /> Attention Owen Ratchye Lab Number 9902E25-10 Reported 03JI9199 <br /> IOC Batch Number GC030899BTEXEXA <br /> Instrument ID GCHP31 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) <br /> Analyte Detection Limit Sample Results <br /> mg/Kg mg/Kg <br /> TPPH as Gas 10 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 94 <br /> 4-Bromofluorobenzene 60 140 96 <br /> I <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> I � <br /> Project Manager Page 13 <br /> 11 <br />