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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wtget Lane Walnut Creek,CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> Ill Analytical 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> Gettler RyanZGeostrategies Client Pr'ol 10 -»-µFormer Unocal Facility-#5098 µ�» Sampled 09/15/98 - , <br /> 6747 Sierra Court Suite J Sample Descript Delta College Received 09/15/98 <br /> Dublin, CA 94568 Matrix LIQUID <br /> Analysis Method EPA 8260 Analyzed 09/24/98 <br /> Attention Deanna Harding Lab Number 9809909-10 _ Reported 09130j98 <br /> X Batch Number MS092398MTBEH6A - <br /> nstrument ID H6 <br /> Oxygenate Compounds (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> Ethanol 500 N D <br /> t-Butanol 100 N D <br /> Methyl t-Butyl Ether (MTBE) 20 N D <br /> Di-Isopropyl Ether (DIPE) 20 N D <br /> Ethyl t-Butyl Ether(ETBE) 2 0 N D <br /> t-Amyl Methyl Ether (TAME) 2 0 N D <br /> Surrogates Control Limits % % Recovery <br /> 1 2-Dichloroethane-d4 76 114 90 <br />%nalytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> A- <br /> Granicher <br /> Mann <br /> ct Manager page tg <br />