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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wlset lane Walnut Creek.CA 94598 (92S)988-9600 FAX(925)988 9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> flier-Ryan - Dublin Client Project ID Tosco #11193, Stockton Sampled Dec 22, 1998 <br /> 6747 Sierra Court, Suite J Sample Descript Soil, P4 Received Dec 22, 1998 <br /> Dublin, CA 94568 Analysis Method EPA 8260 Analyzed Dec 30, 1998 <br /> Attention Doug Lee Lab Number 812-1863 Reported Dec 31, 1998 <br /> OXYGENATED COMPOUNDS (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> jig/kg Ng/kg <br /> Ethanol 25,000 N D <br /> t-Butanol 5,000 N D <br /> Methyl t-Butyl Ether .. 100 680 <br /> I-sopropy ter 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-Dichloroethane-d4 50 150 108 <br /> 0 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL,#1271 <br /> {��.Lt(,fiytiL <br /> Janne Fegley <br /> Project Manager <br /> 8121856 GET <10> <br />