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Sequoia <br />5,)— <br />680 Chesapeake Drive <br />Lane <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 />N D <br />404 N Wiget <br />100 <br />N D <br />Dl -Isopropyl Ether (DIPS) <br />Analytical <br />819 Striker Avenue Suite 8 Sacramento CA 95834 <br />Petaluma, CA 94954 <br />(916) 911-9600 <br />707 792-1865 <br />FAX (916) 921-0100 <br />FAX 707 792-0342 <br />N D <br />1455 McDowell Blvd North <br />Ste D <br />N D <br />4kttler-Rya-n- - Dublin <br />Client Project ID <br />Chevron #9-5775, Lodi <br />Sampled <br />Jan 27, 1999 <br />6747 Sierra Court, Suite J <br />Sample Descript <br />Soil, MW4-53 5 * <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 />H v <br />Lab Number <br />902-0892 <br />n <br />Reported <br />Mar 1, 1999 <br />Analyte <br />OXYGENATED COMPOUNDS (EPA 8260) <br />Detection Limit <br />Ng/Kg <br />Sample Results <br />Ng/Kg <br />Ethanol <br />25,000 <br />N D <br />t -Butanol <br />5,000 <br />N D <br />Methyl t -Butyl Ether (MTBE) <br />100 <br />N D <br />Dl -Isopropyl Ether (DIPS) <br />100 <br />N D <br />Ethyl t -Butyl Ether (ETBE) <br />100 <br />N D <br />t -Amyl Methyl Ether (TAME) <br />100 <br />N D <br />Surrogates <br />Dibromofluoro methane <br />1,2-Dlchloroethane-d4 <br />is <br />Control Limit % <br />50 150 <br />50 150 <br />Analytes reported as N D were not present above the stated limit of detection <br />SEQUOIA ANALYTICAL, #1271 <br />l�Fiqgley AV't7 <br />Project Manager <br />Please Note <br />Past Holding Time (2/18/99) <br />% Recovery <br />109 <br />98 <br />9020875 GET <15> <br />