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' 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> Sequoia 404 N Wlget Cane walnut Creek.CA 94598 (925)988-9600 FAX(925)988-9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX( )991-0100 <br /> 1455 McDowell Blvd North.Ste 0 Petaluma.CA 94954 (707)792-1865 FAX(707707)792-0342 <br /> • <br /> ..... _ ....Y—,». _.. ..»...........'' —_ ',.....»:sem ss3 :.Tie <br /> ..=.......i:�..::ssLu±+u= '�ss.....:....si.=_—— .s.ssu= .Fwvu:s--__s�ii.s.»..:s.f___=s.s :s..... =—s —w asuss — v..»...:..ss.uu tus:�=ss..i: W-••'d <br /> Gettler Ryan/Geostrategies Client Prod ID 180138 85/6981, 4707 Pacific Sampled 10/14/98 ;u <br /> 6747 Sierra Gourt Suite J Sample Descript VW-3 Received 10/14/98 1 <br /> Dublin, CA 94568 Matrix UQUID <br /> Analysis Method EPA 8260 Analyzed 10/25/98 <br /> Attention Deanna Harding_ _ Lab Number 981OB87-12 _ _Reported 11 j02/98 <br /> bC Batch Number MS102498MTBEH6A <br /> instrument 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) 20 N D <br /> t-Amyl Methyl Ether(TAME) 20 N D <br /> Surrogates Control Limits% % Recovery <br /> 1,2-Dichloroethane-d4 76 114 97 <br /> Analytes repotted as N 0 were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> - 7% IL : <br /> Qprnichera <br /> ect Manager Page 22 <br />