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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (650)364-9600 FPx(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek.CA 94598 (925)988 9600 FP X(925)988-9673 <br /> y 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)911 9600 FIX(916)911-0100 <br /> Anal 1Ca1 1455 McDowell Blvd North Ste D Petaluma.CA 94954 (707)792 1865 FIX(707)792-0341 <br /> Upgradient Environmental V' Client project ID Conrady Property Sampled Sep 24, 1999, <br /> P O Box 8002 Sample Descrlpt Water, VE-2 Received Sep 24, 1998 <br /> 'Stockton,CA 95208 Analysis Method EPA 5030/8260 Analyzed Oct 7, 1998 <br /> Attention Vic Cherven Lab Number S809299 -08 Reported Oct 8, 19981 <br /> OXYGENATES by GC/MS (EPA 8260) <br /> Analyte Reporting Limit Sample Results <br /> Pgf1L pg/L <br /> Tertiary butanol 100 N D <br /> Methyl tertiary butyl ether(MTBE) 20 N D <br /> Dl-Isopropyl ether(DIPE) 20 N D <br /> Ethyl tertiary butyl ether(£TBE) 20 N D <br /> Tertiary amyl methyl ether(TAME) 2 0 N D <br /> Surrogate Control Limits,% % Recovery <br /> 1,2-Dlchloroethane-d4 50-150 92 <br /> Analytes reported as N!D were not detected at or above the reporting limit <br /> SEQUf IA ANALYTICAL, ELAP#1271 <br /> * /' *5X 0;,-aV1 <br /> i3OJn'da C Schneider <br /> ect Manager/Sacramento Laboratory <br /> S809299 UES <8> <br />