From the Environmental Protection Agency
The U.S. Environmental Protection Agency announced today that it has proposed deleting a portion of the Tybouts Corner Landfill in New Castle, Delaware, from the Superfund National Priorities List (NPL). The NPL is a list of the nation’s most contaminated hazardous waste sites.
EPA deletes sites or parts of sites from the NPL when no further cleanup is required to protect human health or the environment. Years, and sometimes decades, of complex investigation and cleanup work have gone into getting these sites to the point where they can be deleted from the NPL.
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“Deleting sites from the NPL is a major milestone for Superfund impacted communities,” said EPA Mid-Atlantic Regional Administrator Adam Ortiz. “An NPL deletion, and even a portion of a site, signals that cleanup is complete and the site no longer poses a threat to public health and the environment.”
The Tybouts Corner Landfill Site is in New Castle County, Delaware, approximately 10 miles south of Wilmington and four miles west of the Delaware River. The site was used by the New Castle County Department of Public Works as a municipal sanitary landfill which accepted industrial wastes from December 1968 until July 1971. The landfill consisted of two non-adjoined sections, a West Landfill that was about four acres in size and the Main Landfill that was about 47 acres, with waste ranging from five to 40 feet thick. Contamination was found in two nearby wells in 1976 and again in 1983.
The site is being addressed through federal and Potentially Responsible Party (PRP) actions. Based on cleanup activities, soil and groundwater monitoring data and no existing waste remaining on site, EPA has determined that actions are complete for the two parcels on Tybouts Corner Landfill and have been proposed for partial deletion from the NPL.
