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2.0 EXPOSURE PATHWAYS ANALYSIS <br />2.1 Potential Exposure Pathways <br />Pursuant to the IDEM's RISC Guidance, the following potential exposure pathways exist for the <br />hazardous substances present in soil at the Site: <br />• Direct contact to surficial soils by visitors and trespassers to the Site through skin <br />contact, dust inhalation, and soil consumption; and <br />• Exposure of construction workers to surficial and /or subsurface soils during trenching <br />and /or excavation activities. <br />As stated in Section 1.0 above, groundwater underlying the.Site appears to have been impacted <br />by off -Site sources, and will not be addressed as part of this project. Therefore, the migration to <br />groundwater exposure pathway is considered incomplete for this cleanup. <br />HULL & ASSOCIATES, INC. SBI059.400.0004 <br />INDIANAPOLIS, INDIANA 4 MAY 2010 <br />