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19 July 2004 <br /> iAGE-NC Project No. 95-0185 <br /> tPage 4 of 4 <br /> • Ground water was inferred to flow towards the northwest from well MW-2. The ground. " <br /> water gradient was approximately 0.0004 ft/ft and remained unchanged from the last <br /> monitoring event. <br /> ' TPH-g concentrations dereased in wells MW-1 from the previous monitoring event, TPH-d <br /> concentrations in wells MW-1 increased.significantly from the last monitoring event. <br /> ' Petroleum hydrocarbons have not been detected in wells MW-2 and MW-3 since the third <br /> quarter 2002. Hydrocarbons were not detected in well MW-5. <br /> . 5.0. RECOMMENDATIONS <br /> ' Based upon the results of the Second Quarter 2004 monitoring event, AGE recommends: <br /> • Continued quarterly ground water monitoring at the site for dissolved TPH-d; the next <br /> monitoring event is scheduled for September. ' <br /> • Preparation of closure summary report, if appropriate. <br /> lie <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 on <br /> ' analytical results provided by an independent laboratory. Evaluations of the hydrogeologic <br /> conditions at the site for the purpose of this investigation were made from a hinited number of <br /> ' available data points (i.e. ground water samples) and subsurface conditions may vary away from <br /> these data points. No other warranty, expressed or-implied, is made as to the professional <br /> interpretations, opinions and recommendations contained in this report. <br /> ' Advanced GeoEnvi ron mental,Inc. <br /> i <br />