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■ t Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364 9233 <br /> 444 N Wiget Lane Walnut Creek CA 945988 (925)988-9600 FAX(925)988-9673 <br /> IIIl Analytical 819 Straker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-010 0 <br /> 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> Ocific Environmental Group Client Project ID Chevron 9-9649Stockton, CA Sampled ` ` Sep 28, 1996 <br /> 11315 Sunrise Gold Circle, Ste M Sample Descript Soil, MW-3 @ 70' Received Sep 30, 1998 <br /> ,Rancho Cordova, CA 95742 Analysis Method EPA 5030/8260 Extracted Oct 9, 1998 <br /> Attention Tim Anenson Lab Number S809376 -14 Analyzed Oct 12, 1998 <br /> Reported Oct 13, 1998 <br /> OXYGENATES by GUMS (EPA 8260) <br /> Analyte Reporting Limit Sample Results <br /> Ng/kg Ng/kg <br /> Ethanol 25,000 N D <br /> Tertiary butanol 5,000 N D <br /> Methyl tertiary butyl ether(MTBE) 100 N D <br /> DI-isopropyl ether(DIP E) 100 N D <br /> Ethyl tertiary butyl ether(ETSE) 100 N D <br /> Tertiary amyl methyl ether(TAME) 100 N D <br /> Surrogate Control Limits, % % Recovery <br /> 1 2-Dlchloroethane-d4 50-150 98 <br /> 0' <br /> Analytes reported as N D were not detected at or above the reporting limit <br /> SEQUOIA ANALYTICAL, ELAP#1271 <br /> da C Schneider <br /> roject Manager/Sacramento Laboratory <br /> S809376 PES e2> <br /> r� <br />