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-t�. " � 1 <br /> Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (650) 364-9600 FAX(650)354-9213 x <br /> a) , 404 N.Vl11get Lane Walnut Creek,CA 94598 (510) 988.9600 FAX(510)988-9673 <br /> � Analytical 8 19 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 931-9600 FAX(916)921.0100 <br /> i <br /> .�._...._...._........_...- _ ......................... - _ __........._.:......___..._......... --........_......:::�Sam led::1�:::28:::97 ::::_ <br /> Enviros Client Prof. ID: Shell Stockton p / / <br /> W EnPerkins Ave. Sample Descript: SB-1-31.5 Received: 10/28/97. _; i <br /> Sonoma, CA 95476 Matrix: SOLID Extracted: 11/03/97 <br /> Analysis Method: EPA 8260 Analyzed: 11/04/97_ µ <br /> w- _.._. __ .....^..._._._ _..__..—La....b_N.umber: 971OH60-42 .....—.... —..........._... Reported_11f0697Att <br /> Attention: m Ma neY — _. .. _ <br /> . . <br /> OC Batch [Number: M9i03197MTBEEXA <br /> Instrument 1D:H6 ` <br /> Oxygenate Compounds (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> ug/Kg ug/Kg <br /> Ethanol 25000 N.D. " <br /> t-Butanol 5000 N.D. <br /> Metyf t-Butyl Ether(MTBE) 100 N.D. <br /> Di-Isopropyl Ether(DIPS) 100 N.D. <br /> Ethyl t-Butyl Ether(ETBE) 100 N.D. <br /> t-Amyl Methyl Ether{FAME) 100 :.N.D. <br /> i <br /> Surrogates Control Limits % % Recovery <br /> 1,2-Dichlornethane-d4 70 121 90 <br /> r-- i <br /> i <br /> - i <br /> i <br /> . i <br /> i <br /> Analytes reported as N.D.were not present above the stated limit of detection. <br /> i <br /> SEQUOIA ANALYTICAL - ELAP 01210 <br /> Mt regory <br /> Project Manager Page: 3 <br />