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26 September 2005 <br /> AGE-NC Project No. 05-1329 <br /> Page 6 of 7 <br /> boring B3,which contained no detectable MTBE in 1998; the detection of MTBE in ground water <br /> samples collected does not have an alternate source other than on the site. The detection of MTBE <br /> are well above concentrations considered acceptable for the DHS's action level for drinking water <br /> and will likely require an active ground water assessment,including ground water monitoring wells. <br /> AGE believe the source of MTBE contamination may be related to operations at the subject site,and <br /> not related to the former USTs at the adjacent site toward the west. The source of the dissolved <br /> hydrocarbons (TPH)may be related to the former USTs at the adjacent site toward the west. <br /> RECOMMENDATIONS <br /> AGE recommends an active ground water assessment, including ground water monitoring wells, <br /> for MTBE ground water contamination. AGE believes further assessment and remediation of the <br /> TPH be considered in relation to the former USTs at the adjacent property west of the subject site. <br /> 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.Evaluation of the geologic conditions <br /> at the site for the purpose of this investigation was made from a limited number of available data <br /> points(i.e. soil samples)and subsurface conditions may vary away from these data points.No other <br /> warranty, expressed or implied, is made as to the professional interpretations, opinions and <br /> recommendations contained in this report. <br /> Advanced GeoEnvironmental,Inc <br />