Superfund Site Profile
Announcements and Key Topics
Five-Year Reviews generally are required by the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) or program policy when hazardous substances remain on site above levels which permit unrestricted use and unlimited exposure. Five-year reviews provide an opportunity to evaluate the implementation and performance of ...
Continue reading announcements and key topics »
From 1947 to 1991, National Wood Preservers ran a wood treatment operation on this site in Delaware County, Pennsylvania. The company reportedly disposed of liquid waste in a well leading ...
Continue reading background »