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RECEIVED FEB 2 4 1992 <br /> SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City,CA 94063 <br /> (415)364-9600 • FAX(415) 364-9233 <br /> rtezwWo Clierrt Project ID 475,Weber Point Sampled: Feb 10, 1992 <br /> 10 Main Street Matrix Descript• Air Received. Feb 10, 1992 <br /> Escaian,CA 95320 A w ysis Method- EPA 5030/8015/8020 Analyzed: Feb 10, 1992 <br /> Attention Tina Le Page First Sample#: 202-1253 Reported. Feb 18. 1992.1 <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 N9/L Pg/L Ng/L u9/L <br /> 202-1253 VVP hiiuent 7,100 73 160 19 63 <br /> i <br /> Detection Limits: 300 3.0 3.0 3.0 3.0 <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 /> required additional sample dilution,detection limas for this sample have been raised <br /> . SEQUOIA ANALYTIC L <br /> #Poject Manager 2021253 wAT <11> <br />