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r <br /> a <br /> Ceosyntec Consultants <br /> present a threat of groundwater contamination because of small amounts of hazardous <br /> +� constituents that are sometimes encountered. <br /> This report evaluates the desirability of continuing the SWDD practice of separate C&D debris <br /> disposal in a dedicated unlined C&D landfill in comparison with co-disposing it commingled <br /> with MSW in a lined Class I landfill . The principal drawbacks of the co-disposal approach are <br /> the high capital and the operating and maintenance costs of the Class 1 landfill in comparison <br /> with those of the C&D landfill . These, however, are offset by the improved environmental <br /> protection and reduced risks to groundwater contamination that Class I landfills offer in <br /> r comparison with unlined C&D landfills. <br /> r. <br /> 1 .3 Omanization of Report <br /> The remainder of this Landfill Consolidation Study Report is organized as follows : <br /> r. <br /> • Section 2 presents the IRC Solid Waste Management Master Plan; <br /> • Section 3 presents the regulations and management practices for C&D disposal in <br /> Florida and IRC; <br /> ` • Section 4 presents quantity and composition of C&D debris for IRC ; <br /> • Section 5 presents the potential groundwater hazards of C&D disposal ; <br /> • Section 6 presents a cost comparison of separate and co-disposal approaches ; and <br /> • Section 7 presents the summary and conclusions of the study. <br /> r. <br /> r <br /> FL0996-03/JL70184 08-10-2007_doc.doc 2-2 200708- 10 <br /> r — <br />