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15 May 2000 <br /> AGE-NC Project No 95-0167 <br /> Page 5 of 5 <br /> • MTBE is present in monitoring wells MW-1 and MW-2 at concentrations as high as 79µgll <br /> (sample MW- 1) <br /> • TPH-g was not present in ground water near the western edge of the building on the site or <br /> at the northern boundary of the site,however, low concentration ofBTEX compounds impact <br /> the ground water in these locations <br /> 1 <br /> 7.0 RECOMMENDATIONS <br /> ' Based on present site conditions, AGE recommends <br /> • Quarterly monitoring and sampling should continue at the site <br /> • The next quarterly monitoring event should be scheduled for May 2000 On completion of <br /> one-year of monitoring the ground water monitoring well network,closure criteria for the site <br /> should be determined if warranted by the data <br /> 8.0 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 <br /> geologi c/hydrogeo logic conditions at the site for the purpose of this investigation are made from a <br /> limited number of available data points (i e ground water and soil 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 />