Superfund Record of Decision (EPA Region 1): New London Submarine Base, OperableUnit 1, Area A Landfill, Groton, CT., September 26, 1995

摘要

This decision document presents the selected source control remedial action forOperable unit 1, the Area A Landfill, at the Naval Submarine Base ('NSB') in Groton, Connecticut. The major components of the selected remedy include: Capping of the site with a RCRA Subtitle C multi-layer cap; Landfill gas control to manage landfill gas migration; Surface controls to minimize erosion and manage runoff; Use of fencing and institutional controls to control site access and future site use; Provisions for conducting additional studies, including determining if additional measures, beyond capping, such as leachate/groundwater collection system, must be taken to further contain contaminants and enhance stability; A leachate/groundwater collection system may be installed to further contain landfill wastes and to stabilize the cap if pre-design studies indicate that one is necessary; and Five-year review.