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SEMCO • • <br /> GENERAL K ENGINEERING CONTRACTORS <br /> August, 1990 <br /> TABLE I <br /> ANALYTICAL RESULTS <br /> BTEX <br /> EPA METHOD 8020 <br /> SAMPLE ID BENZENE TOLUENE ETHYLENE XYLENE <br /> SAMPLE <br /> BENZENE <br /> Tank 1 E ND 42 gg/kg 10 gg/kg 280 gg/kg <br /> Tank I W ND 19 gg/kg ND ND <br /> Tank 2 E ND ND ND ND <br /> Tank 2 W ND ND ND ND <br /> Tank 3 E ND ND ND ND <br /> Tank 3 W ND 63 gg/kg ND ND <br /> Tank 4 E ND ND ND ND <br /> Tank 4 W ND ND ND ND <br /> 4 <br />