Sellafield nuclear site has been charged over an incident where a worker was contaminated while handling nuclear materials.
The incident at the west Cumbrian plant was investigated on 5 February 2017 by the Office for Nuclear Regulation.
The prosecution is being brought by the ONR, and it is the first prosecution taken by the organisation since it was established in 2014.
The case will go before magistrates in Workington.
Sellafield Ltd have released this statement.