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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wlget lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-%73 <br /> Analytical 819 Strlker 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 /> Mµ <br /> vti.,h v, v r 11 +f v v v ^•m.vrc n r4v Cav � <br /> ttter-Agan-Dublin' Client Project`ID` Unocal SS#01Traci- <br /> 6747 <br /> racy 23, Sampled ��l�ec 14, 1998r <br /> 6747 Sierra Court, Suite J Sample Descrlpt Water, U-1 Received Dec 15, 1998" <br /> ' Dublin, CA 94568 Analysis Method EPA 8260 Analyzed Dec 28, 1998' <br /> Attention Deanna Harding Lab Number 812-1235 Reported Dec 31, 1998" <br /> �t <br /> OXYGENATED COMPOUNDS (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> N9/L N9/L <br /> Ethanol boo N D <br /> t-Butanol 100 N D <br /> Methyl t-Butyl Ether (MTBE) 20 N D <br /> DI-Isopropyl Ether (DIPE) 20 N D <br /> Ethyl t-Butyl Ether (ETBE) 20 N D <br /> t-Amyl Methyl Ether (TAME) 20 N D <br /> Surrogates Control Limit% % Recovery <br /> 1,2-Dlchloroethane-d4 50 150 93 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL, #1271 <br />*?uhanne Pegley <br /> Project Manager <br /> 8121234 GET <10> <br />