Eliminated IL Chicago R. Krasberg and Sons Manufacturing Records suggest the company was hired to machine limited amounts of uranium metal in 1944, but it's unclear whether the work was performed. A federal survey in 1989 found no significant radioactive contamination at the site. Eliminated IL Chicago Museum of Science and Industry Rooms used by Argonne National Laboratory for research on radioactive material, 1946-53. No signs of contamination in 1977 federal survey. Eliminated IL Chicago Podbeilniac Small amount of experimental uranium processing in 1957.
Records suggest equipment was decontaminated after work's completion.
Eliminated IL East Moline American Machine and Metals Tested methods for dehydrating uranium compounds over two-day period in 1960. At least 25 pounds of material involved. Records suggest limited potential for environmental contamination or radiation exposures to workers. Machining and grinding of uranium metal, 1943-46. Records suggest some radioactive dust may have been generated during the intermittent operations.