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Sequoia <br />680 Chesapeake Drive Redwood City CA 94063 (650) 364-%00 <br />Walnut Creek. CA 94598 (925) 988-9600 <br />FAX (650) 364-9233 <br />FAX (925) 988-9673 <br />(D— <br />404 N Wiget Lane <br />( Analytical <br />819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921-9600 <br />1455 McDowell Blvd North Ste D Petaluma, CA 94954 (707) 792-1865 <br />FAX (916) 921 -0100 <br />FAX (707) 792-0342 <br />ler-Ryan - Dublin <br />. • , F F - : ; 3 tit; t I1 { Sam <br />Client Project ID Chevron #9 775,-Lod[I ; led i l � ; p <br />Feb .i , 1999 <br />7 Sierra Court, Suite J <br />Sample Descr[pt Water, TS-LEF- -` — ' Y Received <br />Feb 5, 1999 <br />Dublin, CA 94568 <br />Analysis Method EPA 8260 Analyzed <br />Feb 11, 1999 <br />Attention Barbara Sleminski <br />Lab Number 902-0622 -- I I- Reported <br />Feb 17, 1999 <br />r~i f',r-?-R*e <br />OXYGENATED COMPO ADS -(EPA 8260) <br />Analyte <br />Detection Limit Sample <br />Results <br />N9/L <br />pg/L. <br />Ethanol <br />500 <br />N D <br />t -Butanol <br />100 <br />N D <br />Methyl t -Butyl Ether (MTBE) <br />20 <br />N D <br />Di -Isopropyl Ether (DIPS) <br />20 <br />N D <br />Ethyl t -Butyl Ether (ETBE) <br />20 <br />N D <br />t -Amyl Methyl Ether (TAME) <br />20 <br />N D <br />Surrogates <br />1,2-Dichloroethane-d4 <br />Control Limit % <br />50 150 <br />Analytes reported as N D were not present above the stated limit of detection <br />SEQUOIA ANALYTICAL, #1271 <br />fifaXnne Fegley <br />Project Manager <br />T <br />% Recovery <br />105 <br />9020622 GET <1 > <br />