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' '19 January 2006 <br /> (� AGE-NC Project No 97-0312 <br /> Page 4 of 4 { <br /> 1 _ ' <br /> t <br /> • During the June 2005 monitoring event,TPH-g and 1,2-DCA were detected in samples from <br />' UST-5 and 1,2-DCA was detected in UST-6 No other analytes were detected at or above <br /> laboratory reporting limits in the ground water samples collected <br />' • The reported concentrations and lateral extent of analytes of concern have remained <br /> relatively stable during the past three years of monitoring Based on the analytical results of <br /> the ground water sample collected from UST-7, the vertical extent of petroleum <br />' hydrocarbon-impacted ground water at the site is defined <br /> 5.0. RECOMMENDATIONS <br />' Based on the results of the current and previous quarterly ground water monitoring events, AGE <br /> recommends continued monitoring of the on-site monitoring and domestic wells The third quarter <br /> 2005 ground water monitoring event was performed in September 2005 <br />' AGE has performed the installation of additional wells in the areas of former well UST-1 and boring <br /> B 12 A report of findings is being prepared <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 Evaluation of the hydrogeologic <br /> conditions at the site for,the purpose of this investigation was made from a limited number of <br />' available data points (i a monitoring wells and domestic well samples) and subsurface conditions <br /> may vary away from these data points No other warranty, expressed or implied, is made as to the <br /> professional interpretations, opinions, and recommendations contained in this report <br /> r <br /> 1 , <br />' Advanced GeoEnvironmental,Inc , <br /> 1 <br />