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Sequoia 680 Chesapeake Drive Redwood Gry CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek.CA 94598 (925)988-9600 FAX(925)988-9673 <br /> � Analytical 819 Straker Avenue Suite 8 Sacramento <br /> SacramentoCA 95834 (926)921-9600 FAX(916)921-0100 <br /> f455 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 /> Blaine Tech Services Client Proj ID - Chevron 9-2033/990217-P1 Sampled 02/17/99 <br /> 1680 Rogers Avenue Sample Descript MW-3 Received 02/17/99 <br /> San Jose, CA 95112 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 02/25/99 <br /> Attention Christine Lillie Lab Number 9902842-03 Reported 03J05199 <br /> CC Batch Number GCO22599BTEX03A <br /> Instrument ID GCHP03 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 250 2000 <br /> Methyl t-Butyl Ether 12 94 <br /> Benzene 25 190 <br /> Toluene 25 N D <br /> Ethyl Benzene 25 78 <br /> Xylenes (Total) 25 i5 <br /> Chromatogram Pattern <br /> Unidentified HC c6-c i2 <br /> Surrogates Control Limits% % Recovery <br /> Trifluorotoluene 70 130 1 1 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP 41210 <br /> j <br /> 0oMel Shin <br /> lect Manager Page 6 <br />