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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX-(650)364-9233 <br /> 404 N.Wiget Lane Walnut Creek,CA 94598 (510) 988-9600 FAX(510)988.9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921-9600 FAX(916)921-0 100 <br /> MPD$ �ervICBS �Ilent Project ID: Tosco#5421,7303 Pacific Ave.,Stockton Sampled. Dec 10, 1997 <br /> 2401 Stanwell Dr., Ste. 300 Sample Descript: Liquid,T.B. Received: Dec 10, 1997:;; <br /> Concord, CA 94520 Analysis Method: EPA 8260 Analyzed: Dec 18, 1997:;', <br /> Attention: Jarrel Crider Lab Number: 712-1029 Reported: Dec 31, 1997::::'. <br /> OXYGENATE COMPOUNDS (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> + pg/L lig/L <br /> iEthanol................................. .. .. 500 ..................................... N.D. <br /> t-Butanol............................................................................ 100 ..................................... N.D. <br /> Methyl t-Butyl Ether(MTBE)............................................. 2.0 ..................................... N.D. <br /> Di-Isopropyl Ether (DIPE)................................................. 2.0 ..................................... N.D. <br /> Ethyl t-Butyl Ether (ETBE)................................................. 2.0 ..................................... N.D. <br /> t-Amyl Methyl Ether{TAME)............................................. 2.0 .......I............I................ N.D. <br /> i <br /> i <br /> Surrogates Control Limit% % Recovery <br /> 1,2-Dichloroethane-d4...................................................... 76 114............................ 95 <br /> 4 <br /> Analytes reported as N.D.were not present above the stated limit of detection. <br /> SEQUOIA ANALYTICAL, #1210 <br /> Signature on File <br /> Alan B. Kemp <br /> Project Manager <br /> 7121025.MPD <10> <br />