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SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 FAX (415) 364-9233 <br /> Samp <br /> Aegis Environmental Consultants Client Project ID. #90-020, Shell, Stockton Recervled: MMar630, 1990,;; <br /> 801 Riverside Avenue, Suite C Matrix Descnpt: Soil Analyzed: A r 6, 1990 <br /> Roseville, CA 95678 Analysis Method: EPA 505O030/8015/8020 Yz P <br /> Attention: Abel Ramirez First Sample # 003-4553 Reported Apr 9 1990 .; <br /> TOTAL PETROLEUM FUEL HYDROCARBONS with STEX DISTINCTION (EPA 8015/8020) <br /> Sample Sample Low/Medium B.P. Ethyl <br /> Number Description Hydrocarbons Benzene Toluene Benzene Xylenes <br /> mg/kg mg/kg mg/kg mg/kg mg/kg <br /> (ppm) (ppm) (ppm) (Ppm) (ppm) <br /> 003-4553 8-210' N.D. N.D. 0.0053 N.D. N.D. <br /> 003-4554 B-225' N.D. 0.035 0.0061 N.D. N.D. <br /> 003-4555 B-235' N.D. 0.048 0.011 N.D. 0.0054 <br /> 003-4556 &245' N.D. 0.28 0.16 0.013 0.040 <br /> 003-4557 8-315' 17,000 400 590 200 830 <br /> 003-4558 8340' 4,700 71 350 52 330 <br /> 003-4559 B-350' 9,700 220 600 110 520 <br /> 003-4560 8.415' N.D. 0.0069 0.011 N.D. 0.012 <br /> 003-4561 8-430' N.D. N.D. N.D. N.D. N.D. <br /> Detection Limits: 1.0 0.0050 0.0050 0.0050 0.0050 <br /> Low to Medium Boiling Point Hydrocarbons are quantitated against a gasoline standard. <br /> Analytes reported as N.D.were not present above the stated limit of detection. <br /> SEQUOIA A��c ��vyyyppp <br /> N��/���n'VVVAn��/LY���T---ICAL <br /> IVIE 34553.AEG <1> <br /> Project Manager <br />