Search Energy.gov

NNSA's mission and major offices.

National Nuclear Security Administration documents

Welcome to the U.S. Department of Energy (DOE) website for cleanup at the Santa Susana Field Laboratory, Area IV.

DOE executed a Programmatic Agreement (PA) with the California State Historic Preservation Officer for the proposed cleanup of Area IV and the Northern Buffer Zone of the Santa Susana Field Laboratory to comply with the requirements of Section 106 .

Leadership for the Office of Environmental Management

Organizational Chart

AI does not eliminate the need for scientific expertise—it expands what scientists and engineers can accomplish, making them more productive.

One of NNSA’s core missions is to ensure the U.S. maintains a safe, secure, and reliable nuclear stockpile.