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Sequoia 680 Ctl_w.peake Drive Redwood City, CA 94063 (650) 364-9600 FAX (650) 364-9233 <br /> 404 N. Wiget Lane Walnut Creek, CA 94598 (9Z5) 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) 792-0342 <br /> Gettler-Ryan - Dublin Client Project ID. Chevron #94m Stockton Sampled : Mar 112 19991 .1 <br /> 6747 Sierra Court, Suite J Sample Descript: Soil, TK1 -S Received : Mar 11 , 1999:::: <br /> Dublin, CA 94568 Analysis Method : EPA 8260 Analyzed : Mar 14, 1999 <br /> Attention: Greg Gurss Lab Number: 903-1093 Reported : Mar 16, 1999 <br /> OXYGENATED COMPOUNDS (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> Ng/K9 pg/Kg <br /> Ethanol . . . . . . . . . .. . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . ... . . . . . . .. ... . ... . . . . . .. . . . 25, 000 . . . . .. . . . . . . . . . .. . . . . . .. . . . . . . N . D. <br /> t-Butanol . . . . . . .. . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . .. .. . ... . .. . . . . .. . .. . .. . . . . . . . . . . . . . .. 53000 . . . . . . . .. . . . . . . . . . . . . . . . . . . N . D . <br /> Methyl t-Butyl ter 100 .. . .. . 960 <br /> I- sopropy ter . . . ... . . . . . ... . . . . . . . .. . . . . . .. . . . . . . . . . . . . . . . . . . . 6 100 4444 .. . . . . . . . . 41 . 44 . . . . . . . . . . . . . . . . . . <br /> Ethyl t-Butyl Ether (ETBE) . . . . . . . . . . . ... . .. . .. . ... . . . . . . . . . . . . . . . .. . . . . . . . . 100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N . D . <br /> t-Amyl Methyl Ether (TAME) . . , . . . . . . . . . . . . . . 6 . . . . . . 100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N . D. <br /> Surrogates Control Limit % % Recovery <br /> Dibromofl uoromethan e. . . . . . . . :. . . .. . . . . . . . . . . .. . . . . . . . . . . .. . . . . . . . . . . . . . . . 50 150. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I . . . . . 93 <br /> 1 ,2-D ichloroethane-d4. . . . . . . . . . .. . . ... ..:. .. .... .. .. ... . . . . . . . . . .. . . . . . . . . . 50 150 . . . . . . . . .. . . . . . . . . . . . . . . . . . . . .. . . . . . . 84 <br /> Analytes reported as N. D, were not present above the stated limit of detection. <br /> SEQUOIA ANALYTICAL, #1271vy <br /> H nne Fegley <br /> Project Manager <br /> 9031092.GET < 13 > <br />