Records show operations raised radioactive dust.
Contamination found in floors, plumbing, mid-'80s. Federal cleanup removed 175 cubic yards of waste in 1995. 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.