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f1 <br /> 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)792-0342 <br /> loler-Ryan - Dublin Client Project ID Tosco #11193, Stockton Sampled Dec 22, 1998 <br /> 6747 Sierra Court, Suite J Sample Matrix Soil Received Dec 22, 1998 <br /> Dublin, CA 94568 Analysis Method EPA 5030/8015 Mod /8020 Reported Dec 28, 1998 <br /> Attention Doug Lee First Sample# 812-1865 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX / MTBE <br /> Reporting Sample <br /> Analyte Limit I D <br /> mg/Kg 812-1865 <br /> Comp-PT <br /> Purgeable <br /> Hydrocarbons 10 48 <br /> Benzene 00050 N D <br /> Toluene 0 0050 0 1 1 <br /> Ethyl Benzene 00050 032 <br /> Wital Xylenes 00050 1 7 <br /> MTBE 0 050 N D <br /> Chromatogram Pattern Gasoline& <br /> Unidentified <br /> Hydrocarbons <br /> C6-C12 <br /> Quality Control Data <br /> Report Limit Multiplication Factor 20 <br /> Date Analyzed 12/23/98 <br /> Instrument Identification HP-4 <br /> Surrogate Recovery, % 113 <br /> (OC Limits = 40-140%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected above the stated reporting limit <br /> SEQUOIA ANALYTICAL, #1271 <br /> panne Fegley <br /> Project Manager <br /> 8121865 G ET <1> <br />