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DISCUSSION <br /> Review of the monitoring data from start-up on January 5, 1990 to January 23, 1990,the <br /> contamination in the soils is shown to exist within the areas of influence of the monitoring <br /> wells located between the pump island and the underground tanks. The concentrations <br /> of gasoline contaminants in the soil are relatively low and after initial vapor development <br /> have progressively decreased indicating that the vapor extraction is rapidly remediating <br /> the soil contamination. Utilizing selected monitoring wells and vapor extraction wells as <br /> inlet wells for the system will maximize the rate of remediation via vapor extraction and <br /> should improve the groundwater quality within three months. The dissolved groundwater <br /> u <br /> contamination will begin to partition off of the shallow groundwater into the capillary fringe <br /> G <br /> of the vadose zone. Seasonal fluctuations of the groundwater level in the upcoming <br /> w� spring and summer months will expose more vertical fractions of the vadose zone and <br /> ` will further improve the groundwater quality. <br /> 1 <br /> l ti <br /> 8 <br /> VAPOR EXTRACTION TECHNOLOGY, INC. <br />