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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N.Wlget lane Walnut Creek,CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916)921-9600 FAX(916)921-0100 <br /> Analytical 1455 McDowell Blvd.North.Ste.D Petaluma,CA 94954 (707)792-1865 FAX(707)79Z-0342 <br /> &ettler-Rya - Dublin Clierit Project lb. Tosco BP#11195, Latf�rop ... ...........Samp!ed. Dec 31,� <br /> n <br /> 1998.:: <br /> .'8747 Sierra Court, Suite J Sample Matrix: Soil Received: Dec 31, 1998:::; <br /> Dublin, CA 94568 Analysis Method: EPA 5030/8015 Mod./8020 Reported: Jan 20, 1999%'k <br /> Attention: Clyde Galantine First Sample#: 901-0022 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX / MTBE <br /> Reporting Sample Sample Sample Sample <br /> Analyte Limit I.D. I.D. I.D. I.D. <br /> mg/Kg 901-0022 901-0023 901-0024 901-0025 <br /> TL-4-7.5 TL-5-11 TL-6-8 TL-7-6 <br /> Purgeable <br /> Hydrocarbons 1.0 N.D. 120 950 N.D. <br /> Benzene 0.0050 N.D. N.D. N.D. N.D. <br /> Toluene 0.0050 N.Q. N.D. N.D. N.D. <br /> Ethyl Benzene 0.0050 N.D. 0.35 4.7 N.D. <br /> Total Xylenes 0.0050 N.D. 0.71 53 N.D. <br /> MTBE 0.050 N.D. N.D. N.D. N.D. <br /> Chromatogram Pattern: Gasoline& Gasoline& <br /> Unidentified Unidentified <br /> Hydrocarbons Hydrocarbons <br /> C6-C12 >C7 <br /> Quality Control Data <br /> Report Limit Multiplication Factor: 1.0 50 100 1.0 <br /> Date Analyzed: 1/7/99 1/6/99 1/6/99 1/7/99 <br /> Instrument Identification: HP-4 HP-4 HP-4 HP-4 <br /> Surrogate Recovery, %: 80 * * 84 <br /> (QC Limits = 40-140%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard. <br /> Analytes reported as KD,were not detected above the stated reporting limit. <br /> SEQUOIA ANALYTICAL, #1271 Please Note: <br /> Surrogate recovery below control limit due to dilution. <br /> J Ilanne Fegley <br /> roject Manager <br /> 9010010.GET <3> <br />