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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX(650)364-9233 <br /> 444 N 1Ni8et Lane Walnut Creek,CA 94598 (925)988-9600 FAX(925)988-9673 <br /> W Anaiytiea 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <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 94840, Stockton, CA Sampled hep 2'8, 1098 <br /> 11315 Sunrise Gold Circle, Ste M Sample Descnpt Soil, MW-3 @ 75' 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 -15 Analyzed Oct 12, 1998' <br /> Reported Oct 13, 1998 <br /> OXYGENATES by GUMS (EPA 8260) <br /> Analyte Reporting Limit Sample Results <br /> pg/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(DIPE) 100 N D <br /> Ethyl tertiary butyl ether(ETBE) 100 N D <br /> Tertiary amyl methyl ether(TAME) 100 N D <br /> Surrogate Control Limits, % % Recovery <br /> 1,2-Dichloroethane-d4 50-150 90 <br /> 0 <br /> 1 <br /> Analytes reported as N D were not detected at or above the reporting limit <br /> SFaC <br /> IA ANALYTI AL, ELAP#1271 <br /> 'lL�t� <br /> ichn lderrManager/Sacramento Laboratory <br /> 5809376 PES e3> <br /> r{�i <br />