Y-12 Plant Locations involving Uranium Enrichment Operations

Associated Operations	Buildings Involved	Accepted Operation Dates
Calutron [Electromagnetic] Uranium Enrichment	9731  (Pilot Plant) Alpha buildings 9201-1,2,3,4,5 Beta Buildings 9204-1,2,3,4	1943-1947
Feed Preparation and Product Processing [Chemical processing of uranium into chemical forms to be fed into calutrons]	9202, 9203, 9206, 9212 9733-3,4 - [Chemical control analysis]	1943-1947
Uranium Recovery and Recycling [Mechanical (physical) and chemical processes used to recover and recycle uranium, such as scraping or vacuuming uranium off the inside walls of the calutron]	9202, 9203, 9206, 9212 [9206 was the main U recovery and recycle facility residual U found on equipment, scrap metal and on solid surface.  9206 housed sanding, grinding, chemistry, and incinerator operations]	1945-1947 (only) (entire period is 1945-1951 and 1950’s-1990’s)
Uranium Salvage Operations [Involved recovery of uranium from materials not considered production equipment, such as liquid and solid waste materials from maintenance/cleanup activities.  May include mechanical scraping and brushing, nitric acid washing, and distillations and recovery of uranium compounds from incidental items]	9206, 9207, 9211	1945-1947 (only) (entire period is 1945-1951)