Unclear whether decontamination took place. Eliminated MO St. Louis St. Louis Airport Storage Site Storage of residues resulting from processing of uranium ore at Mallinckrodt in St. Louis from 1946 to late 1950s. MO St. Louis Mallinckrodt Chemical Processed thousands of tons of uranium and thorium at several sites in downtown St. Louis, 1942-57. Some areas cleaned up, others remain contaminated and are slated for federal action. Extent of work appears to have been limited.
Little documentation exists.
NRC NH Concord R. Brew Subcontracted to test new furnace designs for heating uranium metal. Records suggest small amounts of material and little potential for contamination. Eliminated NJ Bayway Phelps Dodge Copper Uranium extrusion and rolling. Possibly involved in uranium enrichment work as well. Duration and quantity of work unknown.