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17 April 2000 <br /> AGE-NC Project No. 95-0197 <br /> Page 4 of 4 <br /> • Dissolved TPH-g and BTEX compounds do not appear to be significant in the area bound <br /> ' by wells MW-1, MW-2,MW-3 and MW-4. <br /> • Very low concentrations of dissolved DIPE appear to be present near the area of MW-3. <br /> ' 5.0. RECOMMENDATIONS <br /> Based upon the results of this investigation, AGE recommends: <br /> ' • Preparation of a work plan.for two additional soil probe borings at the site, northwest and <br /> southeast of the former southwest fuel dispenser island area, to delineate adsorbed petroleum <br /> ' hydrocarbon impact; the work plan should also include collection of"grab" ground water <br /> samples to assess the dissolved MTBE northeast and east of MW-2. <br /> ' G Continue quarterly monitoring/sampling, the next quarterly monitoring event should be <br /> scheduled for 27 June 2000. <br /> o A search for all potential ground water receptors within a 2,000-foot radius of the site,which <br /> '. will be required for the site closure summary report. <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 geologic/hydro- <br /> geologic conditions at the site for the purpose of this investigation are made from a limited number <br /> of available .data points (e.g. ground water monitoring, ground water samples), and subsurface <br /> conditions may vary away from these data points. No other warranty, expressed or implied, is made <br /> ' as to the professional recommendations contained in this report. <br /> 1 <br /> 1 <br /> • <br /> Advanced GeoEnvironmental,Inc. <br />