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660 G. -.apeake Drive Redwood City, CA 94065 (650) 364-9600 FAX (650) 364-9233 <br /> Sequoia <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- 0342 <br /> Gettler-Ryan - Dubbin Client Project ID . Chevron #9-3232, Stockton Sampled . Mar 11 , 1999 <br /> 6747 Sierra Court, Suite J Sample Descript: Soil, TK1 -N Received : Mar 11 , 1999' 'r <br /> Dublin, CA 94568 Analysis Method : EPA 8260 Analyzed : Mar 14, 1999 <br /> Attention : Greg Gurss Lab Number: 903-1092 Reported : Mar 16, 1999 ''<;I <br /> OXYGENATED COMPOUNDS (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> pg/Kg pg/Kg <br /> Ethanol . . . . .. . . .. . ... . . .. . . . .... ... .. . . . . . . . .. ... . . .. . . . .. . .. . . . .. . . .. ... . .. . .. . . ... . 25,000 . ... . . .. ... . . . . . . . . . .. N. D. <br /> t-Butanol . .. . . .. ... .. . .. .. . .. . . . .. .. .. .. . . . . .... ... . .. ... ... .. . . .. . .. .. . .. . .. . .. .. . .. 51000 .. . . . . .. . . . . . . . . .. .. N . D. <br /> Methyl t-Butyl ter ................ ............ . .. 100 ... . ... 0000 ...... . . . 670 <br /> . ... . .... . . .. .. . . <br /> Di-isopropyl ter . . .. . . . . . .. . .. . . . . . . . . .. . . . ... .. . .. . . . . .. . .. .. . .. 100 . . . . . . . . . .. .. . ... . . . .. . . . . . . . . . . . . .. . N , D , <br /> Ethyl t-Butyl Ether (ETBE) . . . . . . . . . . . . . . . . . . . .. . . . . . . . . .. . .. . .. . . . .. . . . . . . . 100 . . . . . . . . . . . . . . . . . . . . . . . . N. D. <br /> t-Amyl Methyl Ether (TAME) , . . . . . . I . . . . . . . . . . . . . . . . . . 100 . . . . . . . . . . . . . . . . . . . . . . N. D. <br /> Surrogates Control Limit % % Recovery <br /> Dibromofl uoromethane. . . . . . . . . . . . . . . . . . . .. . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . .. 50 150. . . . . . 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 <br /> 1 ,2-Dichloroethane-d4... . . . . .. . . . . . . . .. . . .. . . . .. . . . . . . . . .. . . . .. . . . . . . . . . . . . 50 150. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0000 . . . 85 <br /> Analytes reported as N.D. were not present above the stated limit of detection. <br /> SEQUOIA ANALYTIC/AAL,, # 127111 <br /> 2 �6 <br /> 141*LC,-�Gy�L/ <br /> nne'Fe g I e y a <br /> i Project Manager <br /> 9031092.GET < 12> <br />