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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) 98B 9673 <br /> Analytical 819 Str�kcr Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916) 921 WOO <br /> �,ll,� <br /> QOPDS Services Client Project ID Tosco#5886 2701 W March Lane Stockton Sampled Dec 1, 1997 <br /> 2401 Stanwell Dr Ste 300 Sample Descript Liquid, MW1 Received Dec 3 1997 <br /> Concord, CA 94520 Analysis Method EPA 8260 Analyzed Dec 9 1997 <br /> Attention Jarrel Crider Lab Number 712-0163 Reported Dec 9 1997 <br /> OXYGENATE COMPOUNDS (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> N9/L Fig/L <br /> Ethanol 500 N D <br /> t-Butanol 100 N D <br /> Methyl t- utyEther 20 fib <br /> Di-Isopropyl ter 20 <br /> Ethyl t-Butyl Ether (ETBE) 20 N D <br /> t-Amyl Methyl Ether (TAME) 20 N D <br /> I <br /> i <br /> Surrogates Control Limit% % Recovery <br /> 1 2-Dichloroethane-d4 76 114 99 <br /> i <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL, #1210 <br /> Ognature on File <br /> Alan B Kemp <br /> Project Manager <br /> 7120163 MPD <6> <br />