Superfund Record of Decision (EPA Region 5): Douglas Road Landfill, Mishawaka,IN., July 13, 1995

摘要

This decision document presents the selected remedial action for the landfill capoperable unit at the Douglas Road Landfill Site (the Site) in Mishawaka, Indiana. It specifically outlines an action to address on-site soil and waste material contamination, which have been determined by the Remedial Investigation to pose unacceptable risks to human health and the environment. The major components of the selected remedy include: Installation of a Composite Barrier Cap with a GCL Soil Barrier Layer, meeting the requirements of 329 IAC 2-14-19; Collection and disposal of landfill gas; Perimeter ditches to collect surface water drainage; and Groundwater and source area monitoring to ensure that the goals of this action are met.