On an annual basis, samples are collected from the gas vents and the data is incorporated into an air model to evaluate any risk associated with exposure to the air emissions. The most recent air modeling of the vent data demonstrated that emissions from the vents do not present an unacceptable risk to human health.
| City | New Castle |
|---|---|
| County | New Castle County |
| State | Delaware |
| Coordinates | 39.61250, -75.65334 |
Tybouts Corner Landfill is a federal Superfund site in Delaware. The Superfund program, created by Congress in 1980, addresses sites where hazardous substances have been released or threaten release into the environment. EPA scores potential sites using the Hazard Ranking System; those that score high enough are placed on the National Priorities List.
Current status: Ready for anticipated reuse. EPA considers this site ready for anticipated reuse, meaning cleanup has progressed enough for certain land uses. This does not necessarily mean all contamination has been removed — institutional controls like deed restrictions may limit how the land can be used.
EPA has identified 9 contaminants of concern at this site, including 1,2-dichloroethane, acetone, benzene. Contamination has been detected in groundwater.
If you live near this site and have health concerns, your state health department can provide site-specific guidance. EPA maintains a community involvement program for most NPL sites, and site documents — including the Record of Decision, five-year reviews, and public health assessments — are typically available through EPA's Superfund site profile.