The Portsmouth Gaseous Diffusion Plant, or the "A-Plant" as the locals refer to it, was constructed by the United States Atomic Energy Commission to provide enriched uranium for the nation’s nuclear defense system and later for use in commercial nuclear power reactors. The plant enriched uranium from 1954 until 2001 through a process called gaseous diffusion. The 3,700-acre site in southern Ohio is owned and managed by the U.S. Department of Energy (DOE).
The gaseous diffusion process is no longer operational and DOE is conducting an extensive environmental cleanup of the site. A number of inactive facilities have been removed and remaining structures, including the gaseous diffusion process buildings and support facilities, will be demolished through a project called Decontamination and Decommissioning (D&D). This virtual museum was developed to preserve information, data, photos, films, videos and oral histories as the site goes through D&D.
Learn MoreLatest News
DOE LAUNCHES VIRTUAL MUSEUM FOR HISTORIC K-25
After the success of the Portsmouth Virtual Museum, the U.S. Department of Energy launched another virtual museum recently. This one highlights...
NHPA DOCUMENTS POSTED
Click here to download and view the National Historic Preservation Act (NHPA) documents pertaining to the history of the Portsmouth Gaseous Diffusion Plant...