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Sequoia 680 Chesapeake Drive Redwood Clry CA 94063 (650)364-%00 FAX(650)364-9233 <br /> 404 N W Set Lane Walnut Creek,CA 94598 (925)988-9600 FAX(925)988-9673 <br /> IWO Analytical 819 Striker Avenue Suite 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 /> C`4 <br /> ler-Ryan-bu6lin Client project Ib ToscoUnocal) SS#6981, Stockton Sampled Jan 25-26, 1999 <br /> 6747 Sierra Court, Suite J Sample Descript Water, MW-4 Received Jan 27, 1999 <br /> Dublin, CA 94568 Analysis Method EPA 8260 Analyzed Feb 3, 1999 - <br /> Attention Deanna Harding Lab Number 901-1963 Reported Feb 18, 1999 <br /> OXYGENATED COMPOUNDS (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> Ng/L N9/L <br /> Ethanol 500 N D <br /> t-Butanol 100 N D <br /> Meth-y t-Butyl Ether .. .. 20 . . 10 <br /> i-sopropy ter 20 <br /> Ethyl t-Butyl Ether (ETRE) 20 N D <br /> t-Amyl Methyl Ether (TAME) 20 N D <br /> Surrogates Control Limit % % Recovery <br /> 1,2-Dichloroethane-d4 50 150 96 <br /> • <br /> Analytes reported as N D were not present above the stated limit of detection <br /> QUOIA ANALYTICAL,#1271 <br /> tel. <br /> anne Fegley <br /> Project Manager <br /> 9011960 GET <6> <br />