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680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> Sequoia 404 N Wlget Lane Walnut Creek CA 94598 (9Z5)988-9600 FAX(925)988-9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-%oa FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> i <br /> — w hs n ~—— � '_ � »»... .. —___ n µ�.%..s».ss=_ _sem.�. .. ... a = — _-�::_ _ •�-__ _ �.. .! <br /> Gettier Ryan/Geostrategies -Ghent Prol ID 180 1 38 85/6981, 4707 Pacific Sampled 10/14/98 <br /> 6747 Sierra Court Suite J Sample Descript MWS Received 10/14/98 <br /> Dublin, CA 94568 Matrix UQUID Hi <br /> Analysis Method EPA 8260 Analyzed 10/23/98 ' <br /> Attention Deanna Harding_ _ _Lab Number 981OB87-04 _ _ _ Reported 11j02j98_ <br /> QC-Batch Number MS102398MTBEH6A <br /> Instrument!D 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 - 10 <br /> Di-Isopropyl Ether(DIPE) 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 95 <br /> i <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP 01210 <br /> __� t_%_ <br /> MGranicher <br /> ct Manager page s <br />