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9 <br /> e <br /> SEQUOIA ANACYTICAL <br /> 680 Chesapeake Drive - Redwood City,CA 94063 <br /> (415)364-9600 FAX(415)364.9233 <br /> ERM-West Client Project ID: 4004 EI Dorado,Stockton Sampled: Nov 13, 1990 <br /> :12001 P Street,Suite 200 Matrix Descdpt: Sal Received: Nov 13, 1990{` <br /> ]Sacramento,CA 95814-5213 Analysts Method: EPA 5030/8015/8020 Analyzed: Nov 13, 1990 <br /> ;Attention: Jim Quinn First Sample# 011 9097 Reported Nov 20 1990 <br /> TOTAL PETROLEUM FUEL HYDROCARBONS with BTEX DISTINCTION (EPA 8015/8020) <br /> Sample Sample Low/Medium B.P. Ethyl <br /> Wumber Description Hydrocarbons Benzene Toluene Benzene Xylenes <br /> mg/kg mg/kg mg/kg m9/kg mg/kg <br /> (ppm) (ppm) (ppm) (ppm) (ppm) <br /> ^^ <br /> 011-9097 MP3,3r'h'36 N.D. 0.0050 0.0080 N.D. 0.0050 <br /> — 011-9098 MP3,45'-45'h' N.D. 0.010 0.016 N.D. 0.014 <br /> { <br /> 011-9099 h1P4,35'h'-3G N.D. N.D. 0.0070 N.D. 0.0050 <br /> Y <br /> 011-9100 MP4,44'-44'h' 94 0.16 2.1 1.3 4.3 <br /> e <br /> S <br /> 4 <br /> Detection Limits: 1.0 0.0050 0.0050 0.0050 0.0050 <br /> Low to Medium Boiling Point hWroeartwns are quantitated against a gasoline standard. <br /> Artalyiss reported as N.D.were not present above the stated limit of detection. <br /> SECUOIA ANALYTICAL Please hole: <br /> the above samples do not appear to contain gasoline,except for sample 011.9100 which does appear to <br /> contain gasoline. <br /> Malle A.McBWney IVCV'� <br /> 119osfa.eAM <�� <br /> Project Manager - <br />