Concerns have been raised following the discovery at the former nuclear weapons facility near Aiken.
Scientists have discovered a peculiar radioactive 'blip' in the depths of the sea and it is unclear what caused it.
It has been confirmed that the radiation detected over Europe in 2017 came from a Russian nuclear plant.
Authorities were left shocked when a rock on display in a classroom turned out to be a lump of uranium.
The effects of the Chernobyl nuclear disaster are still being felt in Europe more than 28 years later.