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SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 FAX(415) 364-9233 <br /> RESNA Client Project ID. W047513,Weber Point Sampled: Jun 10, 1992 <br /> 1710 Main Street Matra Descript Air Rece ed: Jun 11, 1992 <br /> Escaion,CA 95320 Analysis Method- EPA 5030/8015/8020 Analyzed: Jun 11, 1992 <br /> Attention Tina Le Page Fust Sample# 206-1861 Reported: Jun 16, 1992 <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 /> Ng/L pg/L pg/L ug/L Pg/L <br /> 206-1861 Influent 850 N.D 35 11 25 <br /> 206-1862 Vapor well 3.800 14 220 49 190 <br /> i <br /> Detection Limits: ISO 1.5 1.5 1.5 3.0 <br /> Law to AAsdlurn Boiling Point Hydrocarbons are ge:antitated against a gasoline fuel standard <br /> Analytes reported as N D were not present above the a -ed limit of detection Because matrix offects and/or other factors <br /> required additional sample dilution,detection Urnft for this sample have been raised <br /> SEQUOIA ANALYTICAL <br /> o a Manager zostr>oat WAT <t <br />