St. Louis Airport Storage Site Location North Schuffendecker St. Louis, Missouri The Manhattan Engineer District (MED) began utilizing the St. Louis Airport Storage Site (SLAPS) in 1946 as a place to store residues from the Mallinckrodt Chemical Works. The MED...
Roger Iron Location 180 Joplin Street Joplin, Missouri The Roger Iron Company conducted a test operation involving crushing of a dolomite c-liner for the AEC. The liner had trace amounts of uranium and magnesium fluoride. The test involved four individuals, including...
Medart Location St. Louis, Missouri The Medart Company manufactured steel mill machining equipment which was useful in uranium processing. In 1952, Medart conducted broaching machine and arbor tests turning uranium for the National Lead Company of Ohio (Fernald)....
Mallinckrodt Location 65 Destrehan Avenue St. Louis, Missouri From 1942 to 1957, Mallinckrodt Chemical Company conducted a variety of milling and recovery operations with uranium chemical compounds at the St. Louis Downtown Site, also known as the Destrehan Street...
Latty Avenue Properties Location 9200 Latty Avenue Hazelwood, Missouri The Mallinckrodt Chemical Company conducted uranium milling and refining operations under contracts with the Manhattan Engineer District and the Atomic Energy Commission at the St. Louis Downtown...