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680 Chesapeake Drive Redwood City, CA 94063 (650) 364-9600 FAX (650) 3649233 <br /> Sequoia 404 N. Wiget Lane Walnut Creek, CA 94598 (925) 988-9600 FAX (925) 98&9673 <br /> ■ - J 819 Striker Avenue, Suite 8 Sacramento, CA 95834 (916) 921 -9600 FAX (916) 921-OICO <br /> • Analytical 1455 McDowell Blvd. North, Ste. D Petaluma, CA 94954 (707) 792-1865 FAX (707) 792-0342 <br /> 1551 Industrial Road San Carlos, CA 94070-4111 (650) 232-9600 FAX (650) Z32-9612 <br /> Gettler-Ryan - Dublin Client Project ID . Unocal SS#8671 , Stockton Sampled . May 14, 1999 : <br /> 6747 Sierra Court, Suite J Sample Descript: Water, MW-1 Received : May 14, 1999.(: <br /> Dublin, CA 94568 Analysis Method : EPA 8260 Analyzed : May 27, 1999:`0 <br /> Attention: Deanna Harding Lab Number: 905-1318 Reported : Jun 42 1999;:3 <br /> OXYGENATED COMPOUNDS (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> !19/L Ng/L <br /> Ethanol. . . . ... ..... .. . ... . . .. ... .... .. . . ... . .... . . . . .. . . .... . ... . . . .... . .. . ... ... .. .. 500 . . . . . . .. . ... N . D . <br /> t-Butanol . .. . . . . ... . . .. ... . . .. . .. . .. . .. . . ..... . . . . .. . .... . . ... ... . ... . ... ... . 0 . .. . . . . 100 . . . .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . ... N . D . <br /> Methylt-Butyl ter .. ....................... ...... . NNE NNE 2. 0 .......... . ........ .. .. . . . . .. ... . . ..4 22 <br /> Di-Isopropyl ter . .. . . . .. . ... 4444 . ... . . . .. .. . . . . . . .. . . . .. 40 . 0 . . 4 .. 2.0 . . . ... . .. . ... . . ... . . .. .. . . . . . .. . .. . . . N , D. <br /> Ethyl t-Butyl Ether (ETRE) . . . . .. . . . . . . . . . .. . . . . .. . ... . . . . . . . . . . . . . . . . . . . .. . 2.0 . . . . . . . . I. . I . .. . .. . . .. . I . . . . . .. . . I . . . N . D . <br /> t-Amyl Methyl Ether (TAME) . . . . . . . . . . . . . . . . . . .. . . .. . . . . . . .. . . . . . . . . . . . . . 2.0 . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . N . D. <br /> Surrogates Control Limit % % Recovery <br /> D ibromofl uoromethane. . . . . . . . . . . . . . .. . .. . . . 1 . 11 .. 1 .. . . . . . . . . . . . . . . . . . . . . . . 50 150. . . . . . .. . . . . . . . . . . . .. . . . . .. . . . . . . . .. . 88 <br /> 112-Dichloroethane-d4. . . . . . . .. . . . . .. . . . . . . . . .. .. . . . . . . .. . ... . . .. .. . . . . . . . . . 50 150 . . . . . . ... . ... . . . . . . . . . . . . . . . ... . .. . .. 81 <br /> Analytes reported as N.D. were not present above the stated limit of detection. <br /> SEQUOIA ANALYTICAL, # 1271 <br /> &1lanneFegley <br /> Project Manager <br /> 9051317.GET < 2 > <br />