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Sequoia 680 Chesapeake Drrve Redwood CRY CA 94063 (650)364-9600 FAX(650)364-9133 <br /> 404 N "get lane Walnut Creek,CA 94598 (925)988-9600 FAX(925)988-9673 <br /> Iwo Analytical 819 Striker Avenue Suite 8 Sacramento CA 95634 (916)9Z1-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)791-0342 <br /> ler-Ryan - Dublin Client Project Ib Unocal 88#5417, Manteca Sampled Feb 22, 1999 <br /> 47 Sierra Court, Suite i Sample Descript Water, MW-2 Received Feb 22, 1999 <br /> Dublin, CA 94568 Analysis Method EPA 8260 Analyzed Mar 5, 1999 <br /> Attention Deanna Harding Lab Number 902-2176 Reported Mar 10, 1999 <br /> OXYGENATED COMPOUNDS (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> !Jg/L yg/L <br /> Ethanol 500 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 (ETRE) 20 N D <br /> t-Amyl Methyl Ether (TAME) 20 N D <br /> Surrogates Control Limit % % Recovery <br /> Dibromofluoromethane 50 150 100 <br /> 1,2-Dichloroethane-d4 50 150 90 <br /> 0 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL, #1271 <br /> If r <br /> Janne Fegley <br /> Project Manager <br /> 9022174 GET <3> <br />