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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)354-%00 FAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek.CA 94598 (925)988-9600 FAX(925)988-9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0500 <br /> 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> *e-ttl4-Fly"an - Dublin A v Client Project lb Tosco (Unocal) SS#6981, Stockton Sampled 'Jan 25-26; 1999 <br /> 6747 Sierra Court, Suite J Sample Descnpt Water, VW-1 Received Jan 27, 1999 <br /> Dublin, CA 94568 Analysis Method EPA 8260 Analyzed Feb 3, 1999 <br /> Attention Deanna Harding Lab Number 901-1970 Reported Feb 18, 1999 <br /> OXYGENATED COMPOUNDS (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> Ng/L pg/L <br /> Ethanol 500 N D <br /> t-Butanol 100 ND <br /> e y t- uty ter .. 20 2 <br /> +-sopropy ter 20 <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-Dichloroethane-d4 50 150 102 <br /> 0 <br /> Analytes reported as N 0 were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL, #1271 <br /> llanne Fegley <br /> Project Manager <br /> 9011960GEr <13> <br />