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1 Sequoia 680 Chesapeake Ci 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 Stnker Avenue,Suite 8 Sacramento,CA 95834 (916) 92t 9600 FAX(916) 921 0100 <br /> Blaine Tech Services- Client Prol ID Shell Stockton/971009-Gi Sampled 10/09/97 <br /> 1680 Rogers Avenue Sample Descript VEW-4 Received 10/10/97 <br /> San Jose, CA 95112 Matrix LIQUID <br /> Analysis Method EPA 8260 Analyzed 10/19/97 <br /> Attention Fran Thie Lab Number 9710593-11 Reported 10j23j97 <br />)C Batch Number MS101997MTBEF2A <br /> lstrument ID F2 <br /> Oxygenate Compounds (EPA 6260) <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> Ethanol 500 N D <br /> t-Butanol 100 N D <br /> Metyl t-Butyl Ether (MTBE) 20 2.1 <br /> DI-Isopropyl Ether (DIPS) 20 N D <br /> Ethyl t-Butyl Ether (ETRE) 20 N D <br /> t-Amyl Methyl Ether (TAME) 20 N D <br /> Surrogates Control Limits% % Recovery <br /> 1,2-Dichloroethane-d4 76 114 91 <br /> 0 <br /> naiytes reported a D were not present above the stated limit of detection <br />;EQU N LVTICAL - ELAP #1210 <br /> ner <br />'ro ct Manager Page 4 <br />