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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> ID 404 N Wiget[ane 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)79Z-0342-Dublin Client Project It) "Tosco 88#6981, Stockton Sampled Jul 21, 1998 <br /> IR-747 Sierra Court, Suite J Sample Descript Water, MW-2 Received Jul 22, 1998 <br /> Dublin, CA 94568 Analysis Method EPA 8260 Analyzed Jul 28, 1998 <br /> Attention Deanna Harding Lab Number- 807-1522 Reported Aug 11, 1998 <br /> ka vvn ♦ .' .. \ a a aft a n .. n n v a a • • v ani a r 'a a v vv ' Y <br /> OXYGENATED COMPOUNDS (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> !lg/L N9/L <br /> Ethanol 500 N D <br /> t-Butanol 100 N D <br /> Methyl u y ter .. .. 20 180 <br /> Di-Isopropyl ter 20 <br /> Ethyl t-Butyl Ether(El•BE) 20 N D <br /> t-Amyl Methyl Ether (TAME) 20 N D <br /> Surrogates Control Lind% %Recovery <br /> 1,2-Dichloroethane-d4 50 150 103 <br /> i <br /> Analytes reported as N 0 were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL, #1271 <br /> 0 <br /> WdltaWnne Fegley <br /> Project Manager <br /> 8071520 G ET <5> <br /> r <br />