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14 December 2005 <br /> . AGE-NC Project No 95-0167 <br /> ' Page 4of4 <br /> • The lateral extent of petroleum hydrocarbon contamination is fully defined as of this <br /> ' quarter's monitoring event to the west by well MW-3,to the south by MW-7,to the east by <br /> well MW-5, and to the northeast by MW-6 <br /> ' The variability of analytical results detected from well MW-1 over the last annual cycle <br /> demonstrates an unstable dissolved plume <br /> ' Dissolved hydrocarbon concentrations detected in well MW-2 this quarter suggest that the <br /> plume has not migrated to the east significantly since the last quarterly monitoring event in <br /> June 2005 <br /> ' 5.0. RECOMMENDATIONS <br /> Based on present site conditions, AGE recommends <br /> ' Continued quarterly ground water monitoring at the site The fourth quarter 2005 ground <br /> water monitoring event was conducted on 15 December 2005 <br /> ' . Preparation of remediation feasibility work plan for soil and shallow ground water <br /> ' 6.0. LIMITATIONS <br /> ' Our professional services were performed using that degree of care and skill ordinarily exercised by <br /> environmental consultants practicing in this or similar localities The findings were based mainly <br /> upon analytical results provided by an independent laboratory Evaluations of the hydrogeologic <br /> ' conditions at the site for the purpose of this investigation are made from a limited number of <br /> available data points (i e , ground water samples), and subsurface conditions may vary away from <br /> these data points No other warranty, expressed or implied, is made as to the professional <br /> interpretations, opinions and recommendations contained in this report <br /> ' Advanced GeoEnhronmental,Inc <br />