The site is being addressed by initial actions and two long-term cleanup phases. The first phase focused on soil cleanup and was completed in 2008; however, EPA considered the work complete in September 2010 due to administrative work. The second phase is addressing groundwater investigation and cleanup.
| City | Middlesex |
|---|---|
| County | Middlesex County |
| State | New Jersey |
| Coordinates | 40.56981, -74.49319 |
Middlesex Sampling Plant Usdoe is a federal Superfund site in New Jersey. 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: Cleanup underway. Active cleanup is underway, meaning EPA has approved a remediation plan and work is in progress. Cleanup timelines vary widely — some sites take decades depending on contamination depth, groundwater involvement, and funding availability.
EPA has identified 10 contaminants of concern at this site, including benzo(b)fluoranthene, benzo[a]anthracene, benzo[a]pyrene. Contamination has been detected in soil, 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.