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if <br /> I30 June 2004 <br /> . AGE-NC Project No 98-0433 <br /> Page 5 of 5 _ <br />' • Coordinate the ground water monitoring activities of Jimco Truck Plaza and the adjacent <br /> Ripon Farm Service (22871 South Highway 99) to occur concurrently <br /> • Due to the lowest water table level recorded at the site since the initiation of ground water <br /> " monitoring, the majority of the petroleum impacted soil is within the vadose zone thus r <br /> creating unique opportunity to remediate the site An immediate interim soil vapor extraction <br /> and potentially air-sparging program should be conducted in the former UST area,to mitigate <br /> MTBE and BTEX in the current 28 feet of vadose zone, with approximately 20 feet <br /> impacted <br /> • Preparation of a Corrective Action Plan (CAP) to mitigate the dissolved MTBE near the <br /> former UST location and near the domestic well on-site <br /> • The plan currently implemented for free-product removal/recovery should be continued, if <br /> warranted and necessary <br /> t <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 hydrogeologic <br /> conditions at the site for the purpose of this investigation were made 'from a limited number of <br /> available data points (i a 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 /> I <br /> z <br /> i <br /> IAdvanced GeoEnvironmcntal,Inc <br />