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1 <br /> 28 February 2005 <br /> • AGE-NC Project No. 97-0327 <br /> Page 4 of 4 <br /> • Average depth to groundwater decreased by approximately 1.77 feet since the Iast quarterly <br /> monitoring event in July 2005; this may contribute to the lower levels of dissolved <br /> contaminants in ground water onsite found during this quarterly monitoring event. <br /> 1 <br /> 5.0. RECOMMENDATIONS <br /> Based upon data collected during the fourth quarter 2005 AGE recommends: <br /> Continued utilization of wells MW-1 through MW-4 for quarterly ground water monitoring <br /> and sampling. During future monitoring events, limit analysis of the sample to 1,2-DCA bye-/ ,`rte <br /> EPA Method 8260B. The next quarterly ground water monitoring event took place on 15 9 �zQ 2.W p <br />' February 2005. G��� n �r�n- s ♦ �� �*� <br />' In accordance with an EHD letter directive (dated 15 September 2005), AGE has prepared a work <br /> plan(dated 01 November 2005)for additional assessment utilizing cone penetrometer testing(CPT)+- -r�i s <br /> and collection of deeper zone ground water samples. Upon EHD-approval of the work plan, AGE w4 <br /> r • �� <br /> will submit necessary drill permits and schedule field work. dOA� <br /> frw <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 upon <br /> analytical results provided by an independent laboratory. Evaluation of the geologi c/hydrogeo logic <br /> conditions at the site for the purpose of this investigation was made from review of previous <br /> r consultants reports and a limited number of available data points (ground water samples) 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 /> 1 <br /> 1 <br /> Advanced GeoEnvironmental,Inc. <br /> 1 <br />