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Mr . Michael Nixon Geosyntecc <br /> 22 November 2010 coll .t , o ., nl , <br /> Page 2 <br /> work (while the contamination is accessible) offers a high potential for mitigating the need for <br /> future monitoring wells and/or groundwater remediation in the Oslo Road right- of-way in the <br /> future . <br /> Based upon the findings of supplemental assessment activities performed by Geosyntec in May <br /> 2010 , and discussions with IRC Engineering Division staff and the Brevard County Natural <br /> Resources Management Office (responsible for petroleum cleanup program in IRC ) , the <br /> following general work scope was developed : <br /> • properly close the three existing 8 , 000 gallon USTs , including the product piping <br /> distribution system , in accordance with FDEP requirements with the associated <br /> demolition and disposal of the overhead canopy structure ; <br /> • dewater the petroleum- impacted area associated with the existing USTs and a former <br /> UST area and perform petroleum source removal activities during the time of UST <br /> closure work to remediate identified soil and groundwater impacts ; <br /> • provide treatment of petroleum-impacted dewatering fluids , with discharge of the treated <br /> fluids to the existing storm water basin on the eastern side of the Site ; <br /> • dispose of the USTs , piping , canopy, concrete footers and excavated non-hazardous <br /> petroleum -impacted soils at the IRC Class I landfill ; <br /> • backfill the excavation areas with clean compacted backfill in 6 -inch lifts to provide a <br /> stable soil sub -base for the planned road widening activities ; <br /> • perform all required soil and groundwater sampling and environmental oversight during <br /> the performance of the UST removal and impacted - soil excavation activities ; and , <br /> • complete the FDEP -required storage tank system closure report , which will also include <br /> a description of the source removal activities . <br /> The proposed scope of work for the services described above has been broken dawn into three <br /> separate Tasks as described below. <br /> XR 10109/CCR 10080 .DOC <br /> engineers I scientists I innovators <br />