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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX (650) 364-9233 <br />404 N Wiget Lane Walnut Creek. CA 94598 (925) 988-9600 FAX (925) 988-9673 <br />Analytical 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)792-034Z <br />*ttler-Ryan - Dublin <br />47 Sierra Court, Suite J <br />Dublin, CA 94568 <br />Attention Greg A Gurss <br />Analyte <br />Ethanol <br />t -Butanol <br />Methyl t -Butyl Ether (MTBE) <br />DI -Isopropyl Ether (DIPE) <br />Ethyl t -Butyl Ether (ETRE) <br />t -Amyl Methyl Ether (TAME) <br />Surrogates <br />1,2-Dlchloroethane-d4 <br />• <br />Client Project ID <br />Chevron #9-5775, Lodi <br />Sample Descript <br />Soil, SP5 <br />Analysis Method <br />EPA 8260 <br />Lab Number <br />808-2201 <br />OXYGENATED COMPOUNDS (EPA 8260) <br />Detection Limit <br />Ng/kg <br />25,000 <br />5,000 <br />100 <br />100 <br />100 <br />100 <br />Control Limit % <br />50 150 <br />Sampled <br />Aug 24, 1998 <br />Received <br />Aug 24, 1998 <br />Analyzed <br />Aug 26, 1998 <br />Reported <br />Aug 27, 1998 <br />Analytes reported as N 0 were not present above the stated limit of detection Because matrix effects and/or other factors <br />required additional sample dilution, detection limits for this sample have been raised <br />SEQUOIA ANALYTICAL, #1271 <br />ok4A'(� <br />A'"6 <br />Julianne Fegley <br />Project Manager <br />Sample Results <br />Ng/kg <br />ND <br />ND <br />ND <br />ND <br />ND <br />ND <br />% Recovery <br />101 <br />8082197 GET <8> <br />