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�- Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX(550)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)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-034Z <br /> 81er-cyan- Dublin Client Project lid Tosco S8#6981, Stockton Sampled Jul 21, 1998 <br /> 47 Sierra Court, Suite J Sample Descript Water, VW-1 Received Jul 22, 1998 <br /> Dublin, CA 94568 Analysis Method EPA 8260 Analyzed Jul 28, 1998 <br /> {Attention Deanna Harding Lab Number 807-1530 Reported Aug 11, 1998, <br /> r' ,.� n nc1n..YYfn O+.r'r'ir r r r •k +n -0v..i.�..Y .b nT{}vv 4 4An btitN V tr rb ` vv}♦+.V w, � ♦ n v Y 4��5~v ,.n r r t.l <br /> OXYGENATED COMPOUNDS (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> Ng/L Ng/L <br /> Ethanol 500 N D <br /> t-Butanol 100 N D <br /> Methyl t-Butyl Ether (MTBE) 20 N D <br /> D1-Isopropyl Ether(DIPE) 20 N D <br /> Ethyl t-Butyl Ether(ETBE) 20 N D <br /> t-Amyl Methyt Ether (TAME) 20 N D <br /> Surrogates Control Limit % % Recovery <br /> 1,2-Dichloroethane-d4 50 150 104 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL, #1271 <br /> lianne Fegley <br /> Project Manager <br /> 8071520 GET <13? <br /> m <br />