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SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive - Redwood City, CA 94063 <br /> (415) 364-9600 FAX (415) 364-9233 <br /> , <br /> 00 <br /> ER -West Client Project I.:D: 4004 El Dorado, Stockton <br /> Sampled: Nov 12, 1990 <br /> 2001 P Street, Suite 200 Matrix Descript: Soil Received: Nov 12, 19W.,. <br /> Sacramento, CA 95814-5213 Analysis Method. EPA 5030/8015/8020 Analyzed: Nov 12, 1990.. <br /> Attention: Jim Quinn First Sample#: 011-9081 <br /> Reported: Nov 20, 1990 .: <br /> TOTAL PETROLEUM FUEL HYDROCARBONS with BTEX 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 /> 011-9081 SP4, 3A-3D 15 0.0050 0.0090 N.D. 0.0060 <br /> 011-9082 SP4, 4A-4D 4.1 0.0090 0.012 N.D. 0.0070 <br /> 011-9083 SP3, 1A-1D 7.3 0.0060 0.0090 N.D. 0.0070 <br /> 011-9084 SP3, 2A-21D 11 0.0050 0.010 0.0090 N.D. <br /> 011-9085 SP3, 3A-3D 5.0 N.D. 0.0080 0.0050 N.D. <br /> 011-9086 SP3, 4A-4D 9.8 0.0050 0.0080 0.0060 N.D. <br /> 011-9087 SP3, 5A-5D 1.2 N.D. 0.0070 0.0050 N.D. <br /> 0111-9088 SP3, 6A-6D 6.5 N.D. 0.0060 0.0050 N.D. <br /> 011-9089 SP3, 7A-7D N.D. 0.0050 0.0090 0,0070 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 ANALYTICAL Please Note: <br /> The above samples do not appear to contain gasoline. <br /> ile A. M irn y <br /> Project Manager 119M.ERM <3> <br />