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12 November 2010 <br /> AGE-NC Project No. 907-1587 <br /> Page 6 of 7 <br /> foot (ft/ft). Figure 3 illustrates contoured ground water elevations as measured on <br /> 08 October 2010. <br /> Depth to water data were uploaded to the State GeoTracker database under confirmation <br /> number 1274460792. <br /> 4.0. SUMMARY AND CONCLUSIONS <br /> Based on the data collected from the former UST areas, AGE finds: <br /> • The analytical results of the off-site soil samples collected from well MW-4B <br /> demonstrates the lateral extent and vertical extent of adsorbed impacted soil <br /> southeast off the site. <br /> • The analytical results of the off-site soil samples collected from well MW-3B <br /> demonstrates the lateral and vertical extent of adsorbed impacted at the northeast <br /> edge of the site. <br /> • Based upon impact in well MW-1A and the lack of detectable contaminants in <br /> shallow soil borings off-site, the dissolved plume release from the former UST area <br /> appears to be isolated below current water table and near the UST release area. <br /> • The vertical and lateral extent of the impacted soil and ground water contamination <br /> is defined based on samples and the monitoring points. <br /> • No additional assessment is required. <br /> 5.0. RECOMMENDATIONS <br /> Based on the findings of the environmental activities recounted in this report, AGE <br /> recommends: <br /> • Continue quarterly groundwater monitoring; sampling of wells should only continue <br /> for four quarters. <br /> Advanced GeoEnvironmcntal,Inc. <br />