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tl L <br /> Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)3649233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 819 Stnker Avenue Suite 8 Sacramento CA 95834 (916)921 9600 FAX(916)921-0100 <br /> Analytical 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792-1865 FAX(707)792-0342 <br /> 1551 Industrial Road 5an Carlos CA 94070-4111 (650)232 9600 FAX(650)232-9612 <br /> eettler-Ryan -Dublin Client Project ID Tosco SS#6981, Stockton Sampled Apr 19-20, 1999 <br /> 6747 Sierra Court, Suite J Sample Descript Water, MW-1 Received Apr 21, 1999 <br /> Dublin, CA 94568 Analysis Method EPA 8260 Analyzed Apr 29, 1999 <br /> Attention Deanna Harding Lab Number 904-1855 Reported May 14, 1999 <br /> OXYGENATED COMPOUNDS (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> !ug/L lrg/L <br /> Ethanol 500 N D <br /> t-Butanol 100 N D <br /> Methylt- u y ter 20 2 <br /> 1-sopropy ter 2 <br /> Ethyl t-Butyl Ether (ETRE) 20 N D <br /> t-Amyl Methyl Ether (TAME) 20 N D <br /> Surrogates Control Limit % % Recovery <br /> Dibromofluoromethane 50 150 87 <br /> 1,2-Dlchloroethane-d4 50 150 105 <br /> • <br /> i <br /> Analytes reported as N d were not present above the stated lima of detection <br /> SEQUOIA ANALYTICAL, #1271 <br /> Ay-ty <br /> anne Fegley <br /> oJect Manager <br /> 9041854 GET a4> <br /> r� <br />