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1 <br /> • 21 November 2001 <br />' AGE-NC Project No 98-0497 <br /> Page 4 of 4 <br />' 0 MTBE was not detected in samples collected from the ground water monitoring network <br /> Fuel additives have not been detected in ground water samples since monitoring began in <br /> August 2000 <br /> Measured ground water elevation is approximately 36 2 feet below msl, and was within the <br /> screened interval of each monitoring well Ground water flow direction was toward the <br /> northeast with a gradient of 0 003 feet/feet Historically, flow direction at the site has been <br /> toward the east, northeast or has had no observable gradient <br />' • The east and west limits of the petroleum hydrocarbon-impacted ground water plume have <br /> not been delineated The north and south linuts of the plume appear to be defined, samples <br /> collected from MW-2 (south) and 1\4W-3 (north) have not contained detectable <br /> concentrations of petroleum hydrocarbons since ground water monitoring began <br /> 5.0. RECOMMENDATIONS <br />'. Based on the results of this and previous investigations, AGE recommends continued quarterly <br /> monitoring of the ground water monitoring network The next monitoring event should be scheduled <br /> for November 2001 <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 have been made from a limited number of available data points (i a monitoring <br /> wells, ground water samples) and subsurface conditions may vary away from these data points No <br />' other warranty, expressed or implied, is made as to the professional recommendations contained in <br /> this report <br /> Advanced GeoEnvironmental,Inc <br />