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• 680 Chesapeake Drive Redwood City CA 94063 {650)364-9G00 FAX(650)3649233 <br /> Sequoia 444 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)9Z 1-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd north Ste D Petaluma CA 94954 (707)792-1865 FAX(707)792-0342 <br /> Analytical <br /> 155! Industrial Road San Carlos CA 94070-4111 (650)23Z-9600 FAX(650)232-9612 <br /> rtttler-Ryan -Dublin Client Project ID Tosco 88#6981, Stockton Sampled Apr 19-20, 1999 <br /> 6747 Sierra Court, Suite J Sample Descript Water, VW-1 Received Apr 21, 1999 <br /> Dublin, CA 94568 Analysis Method EPA 8260 Analyzed Apr 29, 1999 <br /> Attention Deanna Harding Lab Number 904-1864 Reported May 14, 1999 <br /> OXYGENATED COMPOUNDS (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> N9/L pg/L. <br /> Ethanol 500 N D <br /> t-Butanol 100 N D <br /> et y t- uty ter 20 30 <br /> Di-Isopropyl ter 0 <br /> Ethyl t-Bucy! Ether(ETRE) 20 N D <br /> t-Amyl Methyl Ether (TAME) 20 N D <br /> Surrogates Control Limit% % Recovery <br /> Dlbromofluoromethane 50 150 87 <br /> 1,2-Dlchloroethane-d4 50 150 104 <br /> • <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL, #1271 <br /> anne Fegley <br /> Project Manager <br /> 9041854 GET <13> <br /> r� <br />