U-238 is a quest item in Fallout 4.
Characteristics[]
U-238 is the isotope of Uranium that can be found most commonly in nature (U is the symbol of Uranium on the periodic table).
Location[]
In the isotope containment chamber in the Cambridge Polymer Labs in the northernmost room. The chamber is opened by the isotope containment terminal in room C5.
Gallery[]
The U-238 in the isotope containment chamber