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Petroleum hydrocarbons as diesel were detected in the sample from well MW-9 at 0.63 ppm, and <br /> an unknown hydrocarbon in the 16-carbon range was detected in this sample at an estimated <br /> concentration of 1.5 ppm. No other petroleum hydrocarbons were detected in the samples. <br /> Petroleum hydrocarbons were not detected in the ground water grab sample from boring HB8. <br /> General water quality parameters show an increase in mineral and dissolved solid content as distance <br /> from the Channel increases. Concentrations are indicative of relatively fresh water. Total dissolved <br /> solids (TDS) concentrations ranged from 160 to 470 ppm in ground water and was 86 ppm in the <br /> Channel. Chloride concentrations ranged from 26 to 200 ppm in ground water and was 52 ppm in <br /> the Channel. Nitrate concentrations ranged from 0.21 to 270 ppm in ground water and was 1.3 ppm <br /> in the Channel. <br /> 067HPJE:P.030 <br /> 11-21-95 4 <br />