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I <br />' 07 May 1999 <br /> AGE-NC Project No 95-0104 <br /> Page 8 of 8 <br /> I <br /> address all known impacted soil <br /> I <br />' 6.0. RECOMMENDATIONS <br /> Based upon the results of thus investigation, AGE recommends <br />' • Continued operation of the SVE/lAS pilot test for one month should provide immediate <br /> protection to nearby drinking water wells and provide enough effective remediation such that <br />' no additional active remediation in the hydrocarbon-impacted vadose zone will be necessary <br /> • Continued quarterly monitoring and sampling of selected ground water monitoring in July <br />' 1999, wells MW-3 and MW-4 should be sampled during the April 1999 sampling event to <br /> monitor deeper ground water downgradient to crossgradient of VW-1 The April quarterly <br /> sampling results will supplement the Soil Vapor Extraction/In-Situ Air Sparging pilot test <br /> The next sampling event is tentatively scheduled for 26 July 1999 <br />' 7,0. 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 Evaluations of the geologic/hydrogeologic <br /> conditions at the site for the purpose of this investigation are made from a limited number of <br /> available data points (x a monitoring wells, ground water samples and soil gas 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 recommendations contained in this report <br /> I <br /> Advanced CcoEnvironmcntal,Inc. <br />