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SEQUOIA ANALYTICAL i r <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 FAX (415) 364-9233 <br /> Waterwork Client Project ID #490,Thorpe/Weber Ave. Sampled: Apr 10, 1991 <br /> A 710 Main Street Matrix Descript: Soil ! Received: Apr 10, 199E <br /> >'Escalon, CA 95320 Analysis Method: EPA 5030/8015/8020 € <br /> " Y Analyzed: Apr 22, 1991 < <br /> <"'..Attention: Bill Channell First Sample#: 104-1933 n p <br /> p '� Reported: Apr 25, 1991:: <br /> I <br /> TOTAL PETROLEUM FUEL HYDROCARBONS with BTEX DISTINCTION (EPA 8015/8020) <br /> I <br /> Sample Sample Low/Medium B.P. Ethyl f <br /> Number Description 'Hydro c r ons Benzene Toluene Benzene Xylenes <br /> mg/kg mg/kg mg/kg I mg/kg mg/kg <br /> (ppm) (Ppm) (ppm) l (ppm) (ppm) <br /> 104-1933 T/W-G-E15 33 0.026 0.022 0.025 0.042 <br /> 104-1934 T/ y G-wt <br /> 5 13 N.D. 0.01�0� 10 <br /> 0.0057 0.018 1, <br /> it ,p <br /> 'l 1 <br /> �l <br /> } <br /> �p <br /> Detection Limits: 1.0 0.0050 0.00550 k 0.0050 0.0050 <br /> Low to Medium Boiling Point Hydrocarbons are quantitated against a gasoline standard. <br /> i Analytes reported as N.D.were not present above the stated limit of detection. I <br /> SEQUOIA ANALYTICAL <br /> 71 abeth W. Hackie i <br /> ( P oject Manager i� ;'` 1041931.wAT <2> r <br />