The kind of nuclear submarines governments are trying to raise and properly dispose of, because they're worried bioaccumulation will taint their fish stocks? [1]
Don't fool yourselves, we are talking about one of the richest extant fisheries of Atlantic cod. This is pretty serious stuff for Maine, Newfoundland or Massachusets, for example.
We are talking about trying to keep your "fish and chips" safe to eat, or maybe not.
Last time the fisheries collapsed in 90's 37.000 people lost their job only in Newfoundland and the social impact was massive. It has not recovered still after almost 30 years with a record of lowest captures registered in 2016.
[1] https://www.bbc.com/future/article/20200901-the-radioactive-...