Nuclear Metals Inc

⚠ Superfund · Cleanup underway

The Feasibility Study (which evaluates cleanup alternatives) was completed in October 2014 and the Proposed Plan outlining EPA’s preferred alternative was issued in November 2014.

Location

CityConcord
CountyMiddlesex County
StateMassachusetts
Coordinates42.44167, -71.42194

Contaminants of concern

Contaminated media

Cleanup timeline

  1. Initial Assessment Completed — 12/31/1985
  2. Proposed to the National Priorities List — 07/27/2000
  3. Finalized on the National Priorities List — 06/14/2001
  4. Remedial Investigation Started — 06/13/2003
  5. Final Remedy Selected — 09/28/2015
  6. Remedial Action Started — 09/23/2022
  7. Final Remedial Action Started — Estimated Jun - Aug 2028
  8. Construction Completed — Estimated Sep - Nov 2028
  9. Deleted from National Priorities List — Not Yet Achieved
  10. Most Recent Five-Year Review — Not Yet Achieved

EPA references

Other Superfund sites in Middlesex County

EPA-regulated facilities nearby

Understanding this Superfund site

Nuclear Metals Inc is a federal Superfund site in Massachusetts. 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 1,1,2,2-tetrachloroethane, 1,1-dichloroethane, 1,4-dioxane. Contamination has been detected in groundwater, soil, sediment.

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.