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Sequoia <br />680 Chesapeake Drive <br />Redwood City CA 94063 <br />Walnut Creek. CA 94598 <br />(650) 364-9600 <br />(925) 988-9600 <br />FAX (650) 364 9233 <br />FAX (925) 988-9673 <br />404 N Wlget Cane <br />Analytical <br />819 Striker Avenue Suite <br />1455 McDowell Blvd North <br />8 Sacramento CA 95834 <br />Ste D Petaluma, CA 94954 <br />(916) 921-9600 <br />(707) 79Z-1865 <br />FAX (916) 921 0100 <br />FAX (707) 792-0342 <br />Wer-Ayan - Dublin <br />Client project ID <br />f Chevron #9-5775, Lodi <br />Sampled <br />Jan 27, 1999 <br />L 6747 Sierra Court, Suite J <br />Sample Descript <br />Sod, MWi-8 * <br />Relogged <br />Feb 10, 1999 <br />Dublin, CA 94568 <br />Analysis Method <br />EPA 8260 <br />Analyzed <br />Feb 18, 1999 <br />> Attention Barbara Sieminski <br />Lab Number <br />902-0886 <br />f♦ ♦ <br />Reported <br />Mar 1, 1999 <br />yyvy.56.n0.✓~s �' wet v } �4.Je.Jl.... H .. h v i <br />v •(v.. v.. .. + 4 <br />r n 7 i .. f A <br />OXYGENATED COMPOUNDS (EPA 8260) <br />Analyte <br />Detection Limit <br />Sample Results <br />N9/Kg <br />Ng/Kg <br />Ethanol <br />25,000 <br />N D <br />t -Butanol <br />5,000 <br />N D <br />Methyl t - Butyl ter <br />100 <br />300 <br />Di -Isopropyl t er F <br />100 <br />N u <br />N D <br />Ethyl t -Butyl Ether (EfBE) <br />100 <br />t -Amyl Methyl Ether (TAME) <br />100 <br />N D <br />Surrogates <br />Control Limit % <br />% Recovery <br />Dibromofluoromethane <br />50 150 <br />105 <br />1,2-Dlchloroethane-d4 <br />50 150 <br />93 <br />• <br />Analytes reported as N D were not present above the stated limit of detection <br />EQUOIA ANALYTICAL, #1271 <br />ullanne Fegley <br />Project Manager <br />Please Note <br />* Past Holding Time (2/18/99) <br />9020875 GET <9> <br />