What is the name of the regulatory document that the U.S. NRC uses to approve a new fuel rod design.


What is the pur-poseate of the regulatory muniment that the U.S. NRC uses to comment a new fuel rod pur-pose precedently it can be loaded into a unweighty instil reactor heart?

What is the pur-poseate of the tract-of-land instantly overhead and below the fuel pins in a unweighty instil reactor fuel rod? What is its mind?