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,!D— Sequoia <br />Analytical <br />Iffilett - Dublin <br />'qT747 Sierra Court, Suite J <br />Dublin, CA 94568 <br />Attention Greg A Gurss <br />680 Chesapeake Drive <br />Redwood City CA 94063 <br />404 N Wiget Lane <br />Walnut Creek. CA 94598 <br />819 Striker Avenue, Sulte 8 Sacramento CA 95834 <br />1455 McDowell Blvd North Ste D Petaluma, CA 94954 <br />Client Project ID <br />Chevron #9-5775, Lodi <br />Sample Descrlpt <br />Soil, W02(9) <br />Analysis Method <br />EPA 8081 <br />Lab Number <br />808-2221 <br />(650)364-9600 <br />(925)988-9600 <br />(916)921-9600 <br />(707)792-1865 <br />Sampled <br />Received <br />FAX(650)364-9233 <br />FAX(925)988-9673 <br />FAX (916)911-0100 <br />FAX (707) 792-0342 <br />Aug 24, 1998 <br />Aug 24, 1998 <br />Analyzed Aug 25, 1998 <br />Reported Aug 26, 1998 <br />QC Batch Number <br />8080365 <br />Instrument ID <br />GCHP 4B <br />POLYCHLORINATED BIPHENYLS (EPA 8081) <br />Analyte <br />Detection Limit <br />Sample Results <br />lag/kg <br />pg/kg <br />PCB 1016 <br />33 <br />N D <br />PCB 1221 <br />33 <br />N D <br />PCB 1232 <br />33 <br />N D <br />PCB 1242 <br />33 <br />N D <br />PCB 1248 <br />33 <br />N D <br />PCB 1254 <br />33 <br />N D <br />PCB 1260 <br />33 <br />N D <br />Surrogates <br />Tetrachloro-meta-xylene <br />Decachlorobiphenyl <br />• <br />Control Limit % <br />40 140 <br />40 140 <br />Analytes reported as N D 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 #1210 <br />Ju anne Fegley <br />1 <br />Project Manager <br />% Recovery <br />84 <br />82 <br />8082208 GET <7> <br />