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12� <br /> L <br /> L SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive - Redwood City, CA 94063 <br /> NO (415) 364-9600 FAX (415) 364-9233 <br /> ................ <br /> .............I............ .............................. ................... <br /> ............ <br /> .:ERM-West Client Project ID. 4004 El Dorado, StocktonSampled:' Nov 15, 1990'— <br /> '.2001 P Street, Suite 200 Matrix Descript: Soil Received: Nov 15, 1990 <br /> ..Sacramento, CA 95814-5213 Analysis Method: EPA 5030/8015/8020 Analyzed: Nov 15, 1990 <br /> Attention: Jim Quinn <br /> First Sample #: 011-9107 Reported: Nov 20, 11990'�:.: <br /> ................................ .............. ... .. — <br /> ... .. ................ .................. <br /> TOTAL PETROLEUM FUEL HYDROCARBONS with BTEX DISTINCTION (EPA 8015/8020) <br /> L <br /> Sample Sample Low/Medium B.P. Ethyl <br /> Number Description Hydrocarbons Benzene Toluene Benzene Xylenes <br /> L mg/kg mg/kg mg/kg mg/kg mg/kg <br /> (ppm) (ppm) (ppm) (ppm) (ppm) <br /> 011-9107 MP6, 50'-5014' N.D. 0.041 0.11 N.D. 0.094 <br /> Detection Limits: 5.0 0.025 0.025 0.025 0.025 <br /> L <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. Because matrix effects and/or other factors <br /> r required additional sample dilution,detection limits for this sample have been raised. <br /> SEQUOIA ANALYTICAL <br /> L. VBirne <br /> Maile A. M <br /> LProject Manager 119068.ERM <9> <br />