the Paducah Gaseous Diffusion Plant

About Paducah Gaseous Diffusion Plant DOE Paducah Kentucky

Location, Mission, and Scale

Construction of the Paducah Gaseous Diffusion Plant began in 1950. The facility came online in 1952 under the U.S. Atomic Energy Commission (AEC), predecessor to the Department of Energy (DOE). Located on approximately 3,400 acres in McCracken County near Paducah, PGDP’s mission was uranium enrichment — concentrating uranium-235 for nuclear weapons and commercial power generation.

At peak operation, PGDP employed thousands of workers and ranked among the largest uranium enrichment complexes in the world. The facility’s electricity demands required two dedicated coal-fired power plants built nearby to feed the cascading diffusion stages around the clock.

PGDP was not an isolated case in Kentucky’s occupational health landscape. Workers who spent careers in Kentucky industry — at facilities such as Armco Steel in Ashland, General Electric’s Appliance Park in Louisville, Louisville Gas and Electric (LG&E) power plants, and the Blue Grass Army Depot in Richmond — often moved between job sites, accumulating work histories that span multiple decades and counties. That cross-facility work history is frequently critical to establishing a complete asbestos exposure timeline, and it matters directly to Jefferson County asbestos lawsuit filings and asbestos lawsuit Kentucky claims across the Commonwealth.

Because Kentucky allows only one year from the date of diagnosis to file, workers with complex multi-site exposure histories must act immediately to ensure their full work history is documented before the Kentucky asbestos statute of limitations closes.

Facility Infrastructure

The scale of potential asbestos-containing material use at PGDP follows directly from the scale of the facility itself:

• Five primary gaseous diffusion cascade buildings (C-310, C-315, C-331, C-333, and C-337), each housing thousands of compressors, converters, heat exchangers, and miles of interconnected piping
• Steam and hot water systems for process heating and thermal management
• Electrical infrastructure powering uranium enrichment equipment continuously
• Support buildings including maintenance shops, machine shops, warehouses, laboratories, and administrative facilities
• On-site steam plants and cooling tower systems
• Auxiliary utility systems distributing compressed air, water, and chemicals throughout the complex

Nearly all of this infrastructure was built or heavily modified between 1950 and the 1980s — the same decades when asbestos-containing materials were standard in industrial construction throughout Kentucky and the nation.

Operational Contractors

Multiple federal contractors managed PGDP over its operational life, each bringing construction crews, maintenance teams, and subcontractors onto the site:

• Union Carbide Corporation (1952–1984) — Managed the facility through its construction boom and peak operational period
• Martin Marietta Energy Systems (1984–mid-1990s)
• Lockheed Martin Energy Systems (mid-1990s–1998)
• USEC Inc. (1998–2013) — Operated the enrichment process until active uranium enrichment ceased
• Bechtel National — Performed decontamination and decommissioning work, activities that themselves may have disturbed legacy asbestos-containing materials already in place

Each contractor transition brought new workers into contact with asbestos-containing materials installed by prior contractors. Identifying every potentially responsible party is a foundational step in building a compensation claim — which is precisely why consulting a mesothelioma lawyer Kentucky before the Kentucky asbestos statute of limitations expires is not optional.