When the last spent nuclear fuel assemblies were removed from the reactor of the shuttered Oyster Creek Nuclear Generating Station last month, it did more than just set a world record. It prompted requests to amend certain criteria for emergency planning, security and training at the site.

In a series of letters from the Nuclear Regulatory Commission on June 24 and June 25 to Andrea L. Sterdis, vice president of regulatory and environmental affairs for Holtec Decommissioning International, those…