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r <br /> r <br /> . 15 January 2005 <br /> ie AGE-NC Prod ect No 96-023 5 <br /> l <br /> r ' Page 5 of 5 <br /> S <br /> • TPH-g was detected in the samples collected from MW-1, MW-2 and EW-2 at <br />' concentrations of 10,000 µg/1, 12,000 µg/l and 730 µg/l, respectively TPH-d was detected <br /> in the samples collected from MW-1 and MW-2 at concentrations of 4,800 µg/1 and <br />' 10,000µg/1,respectively Various BTEX compounds were detected in the samples collected <br /> from MW-1, MW-2 and EW-2, while no detectable concentrations were observed in well <br /> MW-7 Therefore, the dissolved plume appear to be isolated below the current water table <br />' and resides at a depth associated with a historical smear zone or low table level The vertical <br /> extent of the contamination plume, as well as the lateral extent to the south, is not well <br /> defined <br /> f <br /> 5.0. RECOMMENDATIONS <br /> 1 <br /> Based on the findings of the environmental activities recounted in this report, AGE recommends <br /> • Continued quarterly ground water monitoring, and <br /> • Preparation of a work plan for interim remediation of shallow hydrocarbon impacted ground <br />' + water at the UST Cluster area <br /> • Preparation of a work plan for the installation of a monitoring well network to define the <br /> extent of the dissolved hydrocarbon impacted ground water at the southern UST#3 area <br />' 60. LIMITATIONS r s <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 upon <br /> , <br /> analytical results provided by an independent laboratory Evaluation ofthe hydrogeologic conditions <br /> at the site for the purpose of'this investigation was made from a limited number of available <br />' subsurface data points (i a ground water samples from ground water monitoring wells) and <br /> subsurface conditions may vary away-from these data points No other warranty, expressed or <br />' implied, is made as to the professional interpretations, opinions and recommendations contained in <br /> this report <br /> Advanced GeoEnvironmental,Inc <br />