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�J <br /> SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 FAX (415) 364-9233 <br /> Kaprealian Engineering, Inc. tient Project ID: Unocal,Stockton, Pacific J <br /> /Willows. Sampled. Jan 8, 1990 <br /> ::P.O. Box 996 Matrix Descript: Soil Received: Jan 8, 1990';: <br /> ::;Benicia, CA 94510 Analysis Method: EPA 5030/8015/8020 Analyzed: Jan 8, 1990: I <br /> ,Attention Mardo Kapreallan, P E First Sample# 001-0656 A B Reported: Jan 9 1990 <br /> .:...... <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 /> 0010656 A-B Composite 15 N.D: N.D. N.D. N.D. N.D. <br /> 0010657 A-B Composite 16 N.D. N.D. N.D. N:D. N.D. <br /> 0010658 A-i3 Composite 17 N.D. N.D. N.D. N.D. N.D. } <br /> a <br /> Detection Limits: 1.0 0.05 0.1 0.1 0.1 <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 <br /> Belinda C.Vega <br /> Project Manager <br /> 10656.KEI <1> j <br />