(York) -- Federal authorities are warning nuclear power plants that store spent fuel in dry casks to watch for water damage, citing two incidents involving material from central Pennsylvania plants.
The federal Nuclear Regulatory Commission issued an information notice last week detailing how moisture can degrade structures and components associated with spent fuel storage.
The notice cited two separate instances involving water damage to containers holding spent fuel from the Peach Bottom Atomic Power Station in York County and Three Mile Island in Dauphin County.
Officials say baseline measurements and periodic evaluations can detect "accelerated degradation" before the containers and structures no longer work properly.
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