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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(654)364-9233 <br /> 404 N WI et lane Walnut Creek.CA 94598 <br /> $ (925)988-9600 FAX(92S)988-9673 <br /> N-0 Analytiea 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0tOO <br /> 1455 McDowell Blvd North Ste D Petaluma.CA 94954 (707)792-1865 FAX(707)792-0342 <br /> offer-Ryan - bubim Client Project ID Tosco #11193 Stockton <br /> 1 Sampled Dec 22, 1998 <br /> 6747 Sierra Court, Suite J Sample Descrlpt Soil, P3 Received Dec 22, 1998 <br /> Dublin, CA 94568 Analysis Method EPA 8260 Analyzed Dec 30, 1998 <br /> Attention Doug Lee Lab Number 812-1862 Reported Dec 31, 1998 <br /> OXYGENATED COMPOUNDS (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> Ng/kg Ng/kg <br /> Ethanol 25,000 N D <br /> t-Butanol 5,000 N D <br /> Methyl t-Butyl ter 100 570 <br /> i-sopropy # er 100 <br /> Ethyl t-Butyl Ether (ETBE) 100 N D <br /> t-Amyl Methyl Ether (TAME) 100 N D <br /> Surrogates Control Limit % % Recovery <br /> 1,2-Dlchloroethane-d4 50 150 112 <br /> i <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL, #1271 <br /> Ilanne Fegley <br /> Project Manager <br /> 8121856 GET <9> <br />