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SEQUOIA ANALYTICAL <br />( 680 Chesapeake Drive Redwood City, CA 94063 i <br /> (415) 364-9600 FAX (415) 364-9233 <br /> :ERM-West Client Prosect ID 4004 EI Dorado, Stockton Sampled: Nov8, 1990 ; <br /> '.2001 P Street, Suite 200 Matrix Descript: Sail Received: Nov 8, 1990;:::: <br /> .Sacramento, CA 95814-5213 Analysis Method: EPA 5030/8015/8020 Analyzed: Nov 8, 1990:::'.: <br /> Attention Jim Quinn f=irst Sample# 011-9068 Reported: Nov 20, 1990 <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 f <br /> mg/kg mg/kg mg/kg mg/kg mg/kg ; <br /> (ppm) (ppm) (ppm) (ppm) (ppm) <br /> 011-9068 MPI, 15'-15'h' N.D. 0.0060 0.0080 N.D. O.ODsn <br /> 011-9069 MP1, 19'-19'h' N.D. N.D. 0.0070 <br /> 011-9070 MP1, 25'-25'h' N.D. N <br /> 011-9071 MP1, 30'-30'h' <br /> C <br /> 011-9072 MPI, <br /> h <br /> J <br /> Detection Limits: 1.0 0.0050 0.0050 0.0050 0.0050 i <br /> M <br /> i <br /> Low to Medium Boiling Point Hydrocarbons are quantitated against a gasoline standard. <br /> Anaiytes reported as N.D.were not present above the stated limit of detection. <br /> SEQUOIA ANALYTICAL Please(vote: <br /> The above samples do not appear to contain gasoline. <br /> Ma <br /> ile 9� e A. M irn <br /> Project Manager� ) 9 i19068.ERM <t> <br /> i <br /> I <br />