WASHINGTON, June 1 -- Nuclear Regulatory Commission has issued a rule called: List of Approved Spent Fuel Storage Casks: Holtec International HI-STORM UMAX Canister Storage System, Certificate of Compliance No. 1040, Amendment No. 5.

The rule was published in the Federal Register on June 1 by Krupskaya Castellon, Acting Chief, Regulatory Analysis and Rulemaking Support Branch, Division of Rulemaking, Environmental, and Financial Support, Office of Nuclear Material Safety and Safeguards.

Summary: The U.S. Nuclear Regulatory Commission (NRC) is confirming the effective date of June 16, 2026, for the direct final rule that was published in the Federal Registeron April 2, 2026. This direct final rule amended Holtec International HI-STORM UMAX...