Duration of work and quantity of materials handled unclear. Eliminated MI Battle Creek Oliver Conversion of uranium compounds to metal briquettes. NRC MI Detroit Revere Copper and Brass Extrusion and machining of hundreds of tons uranium, as well as some beryllium, 1943-54. Records of the time suggest substantial worker exposures to radioactive and toxic dust. Eliminated MI Detroit Wolverine Tube Division Uranium, beryllium and thorium extrusion and fabrication of uranium slugs, 1943-46.
Documents indicate some potential for contamination.
Operation created high levels of radioactive dust. Duration of work and volume of material handled are unclear. In the 1960s, stored large quantities of radioactive waste from uranium and thorium processing by Mallinckrodt Co. in St. Louis. MO Joplin Roger Iron Hired in 1956 to crush magnesium liners from uranium-contaminated vessels used in uranium processing. Volume and duration of work unclear, though the job apparently posed relatively little contamination risk.