Federal clean-up removed 951 cubic yards of waste, 1994. No evidence that any radioactive material was used at the site. Vitro Manufacturing Processed large volumes of uranium from waste generated at other weapons plants, 1942-57. Records show high levels of radioactive dust and widespread environmental contamination. Federal cleanup of site and neighbor properties, 1985.
Records suggest the operation raised substantial amounts of radioactive dust.
Some residual contamination discovered in 1980 and was to be addressed by site's owners. Eliminated PA East Pittsburgh Westinghouse Atomic Power Development Plant Pilot-scale processing of uranium compounds and metal, 1940s. Details of the operation are scarce. A 1976 federal survey revealed only trace amounts of residual contamination. NRC PA Malvern Foote Mineral Separation and refining of zirconium compounds, late 1940s.