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680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> Sequoia 404 N Wiget 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 /> //�� <br /> _ 1" nalytical 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 Prol ID Shell 341 Main St , Ripon Sampled 02/25/99 <br /> 1144 65th St Suite C Sample Descript SP-1 D 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 9902E25-11 Reported_03J19199 „ <br /> QC Batch Number GCO30899BTEXEXA <br /> Instrument ID GCHP22 <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 82 <br /> 4-Bromoftuorobenzene 60 140 105 <br /> •1 <br /> 1 <br /> Analytes reported as N D were not present above the stated limit of detection <br />(SEQUOIA ANALYTICAL - ELAP #1210 <br /> Prolect Manager Page 14 <br />