The animals have been spotted hopping in and out of the pits at the Dounreay nuclear power plant at Caithness.
Rabbits keep out!
They're worried they'll spread radioactivity beyond the site.
The waste isn't loose, it's in containers.
The UK Atomic Energy Authority said it's been testing rabbits around the site but there was no evidence of them having been contaminated.
Bosses at the plant are asking Scottish Natural Heritage how to get rid of some of the rabbits humanely.