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Sequoia 680 Chesapeake Drive Redwood City, CA 94063 <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (415) 364 9600 FAX(415} 364 9233 <br /> ,Suite 8 Sacramento, CA 95834 (516) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Striker Avenue <br /> ' (916) 921 9600 FAX(916)921 01D0 <br /> Cambria Environmental Client Project iD Shell, 341 l=ast Main St, Ripon, CA Sampled Jul 15, 1998 <br /> 1144 65th St, Suite C Sample Descrlpt Soil, C1-S-15 <br /> Oakland, CA 94608 Analysis Method EPA 5030/8260 Received Jul 17, 1998 <br /> Attention Owen Ratchye Lab NumberExtracted Jul 21, 1998 <br /> S807204 -02 Analyzed Jul 22, 1998 <br /> ' Reported Aug 3, 1998 <br /> OXYGENATES by GC/MS (EPA 8260) <br /> ' Analyte Reporting Limit <br /> Sample Results <br /> ' <br /> Ethanol <br /> Ng/kg Ng/kg 000 <br /> Tertiary butanol 25, N D <br /> Methyl tertiary butyl ether(MTBE) 5,000 N D <br /> ' Di-isopropyl ether(D1PE) 100 N D <br /> Ethyl tertiary butyl ether(ETBE) 100 N D <br /> Tertiary amyl methyl ether(TAME) 100 N D <br /> 100 N D <br /> Surrogate Control Limits, % <br /> 1,2-dichlorcethane-d4 Recovery, % <br /> 70 121 87 <br /> Analytes reported as N D were not detected at or above the reporting limit <br /> SEQUOI ANALYTICAL ELAP #1210 <br /> da C Schneider <br /> roject Manager/Sacramento Laboratory <br /> 5807204 CAM ¢2> <br />