11. Power for the Paducah gaseous diffusion plant came from the Tennessee Valley Authority ( TVA ). 12. In November 1942 the Military Policy Committee approved the construction of a 600-stage gaseous diffusion plant . 13. Ronald Lamb's family has lived and worked for years down the road from the Gaseous Diffusion Plant . 14. The next month it received enhanced ( 5 % ) feed from the K-25 gaseous diffusion plant . 15. To prevent sabotage, the power plant was connected to the gaseous diffusion plant by an underground conduit. 16. Foley testified during the first of several planned hearings into the operation of the Paducah Gaseous Diffusion Plant . 17. However, compared to gaseous diffusion plants . 18. A third Cold War-era gaseous diffusion plant , at Oak Ridge, Tenn ., was shut by the government in 1985. 19. Earlier this year, USEC Inc . closed the Portsmouth Gaseous Diffusion Plant in Piketon, laying off hundreds of workers. 20. Attorneys filed two lawsuits Monday on the behalf of workers at the Paducah Gaseous Diffusion Plant in western Kentucky.