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Ir <br /> SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive - Redwood City, CA 94063 <br /> (415) 364-9600 FAX (415) 364-9233 <br /> ................................ <br /> ............ <br /> ........... <br /> ERM-West Client Project ID. 4004 El Dorado, Stock-ton Sampled: N ov 14 1990, <br /> :'2001 P Street, Suite 200 Matrix Descript: Soil Received: Nov 14, 1990'..'. <br /> Sacramento, CA 95814-5213 Analysis Method: EPA 5030/8015/8020 Analyzed: Nov 14, 1990':',;- <br /> ...Attention: Jim Quinn First Sample 011-9101 Reported: Nov 20, 1990:.. <br /> ............... <br /> ........ ............. <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 /> L mg/kg mg/kg mg/kg mg/kg mg/kg <br /> (Ppm) (ppm) (Ppm) (ppm) (ppm) <br /> 011-9101 MP4, 50'h'-51' 19 0.095 1.1 0.29 1.0 <br /> L <br /> 011-9102 MP5-1, 31'-311h' 1.9 0.081 0.089 0.032 0.086 <br /> 011-9103 MP5-1, 35'h'-36 170 3.0 7.3 3.0 13 <br /> L <br /> 011-9104 MP5-3, 41'-41'k' 1,100 16 78 16 69 <br /> L <br /> L <br /> Detection Limits: 1.0 0.0050 0.0050 0.0050 0.0050 <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. <br /> SEQUOIA ANALYTICAL Please Note: <br /> The above samples appear to contain gasoline. <br /> M ilE A. M 2AY <br /> cBir <br /> Project Manager 119068.ERM <8> <br />