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1 <br /> 20 March 1996 <br /> AGE-NC Project No 95-0130 <br /> Page 23 of 23 <br /> site <br /> We estimate that the IAS system will require the installation of approximately 15 to 20 sparging <br /> points (wells) It is likely that at least 5 to 10 of these sparging points should be installed off-site north, <br />' east, and southeast of the property, the remaining points should be placed on-site <br /> Air should be supplied to each of the IAS points via underground piping by a compressor or blower- <br /> driven IAS unit capable of approximately 10 to 15 scfm The IAS system should be operated <br /> concurrently with an SVE-system <br />' 10.0. 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 upon <br /> analytical results provided by an independent laboratory Evaluations of the geologic and <br /> hydrogeologic conditions at the site for the purpose of this investigation are made from a limited <br /> number of available data points (i a monitoring wells, soil borings) and subsurface conditions may <br /> vary away from these data points No other warranty, expressed or implied, is made as to the <br />' professional recommendations contained in this report <br /> 1 <br /> I <br />