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1 <br />' 05 October 1999 <br /> AGE-NC I Project No 95-0143 <br /> Page 4 of 4 <br />' 0 Ground water elevation decreased an average of 0 5 feet between May and August 1999 The <br /> Inferred ground water flow direction remains towards the north to northeast at the site <br />' 0 Measurable free product was not encountered during the August 1999 monitoring event <br /> However, what appeared to be free product was encountered during the drilling of VW5 and <br /> S W21 in April 1999 <br />' 0 Petroleum hydrocarbon concentrations decreased in MW-6 to below detection limits <br /> Hydrocarbon concentrations fluctuated in the remaining wells, increasing in MW-3, MW-7, <br />' MW-9 and MW-10 and decreasing in MW-14, MW-15, MW-16 and MW-17 <br /> • The SVE and IAS units and: associated piping have been installed at the site Operation is <br />' currently delayed due to a leak in the previously existing natural gas line Start-up of the <br /> SVE and IAS units will begin upon repair of the gas line <br />' <br /> 50. RECOMMENDATIONS <br /> lie Based upon data collected during the August 1999 and previous sampling events, AGE recommends <br /> continued quarterly monitoring of the monitoring well system on the site The next quarterly <br /> monitoring will be scheduled for November 1999, concurrent with monitoring at the Madison site <br /> Installation of the remediation system is nearly complete Operation will commence upon repair of <br />' the natural gas line <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 Evaluations of the soil and ground <br /> water conditions at the site have been made from a limited number of available data points (i e <br /> ground water monitoring well samples and ground water measurements), and subsurface conditions <br /> may vary through time and with distance from these data points No other warranty, expressed or <br /> Iimplied, is made as to the professional recommendations contained in this report <br /> Adianced GeoEn-,jronmental,Inc <br />