NRC Accepts Updated Testing Code for Nuclear Facility Components
Published Date: 10/26/2026
Notice
Summary
The Nuclear Regulatory Commission (NRC) confirmed that starting August 18, 2026, nuclear facilities must follow the updated ASME OM-2 Code for testing their components. This guide helps plants keep their equipment safe and reliable by using a clear, approved testing program. If you run or work at a nuclear facility, get ready to follow these new rules to stay on track and avoid costly issues.
Analyzed Economic Effects
1 provisions identified: 1 benefits, 0 costs, 0 mixed.
ASME OM‑2 Endorsed; IST Guidance Effective
The NRC confirmed that Revision 0 of Regulatory Guide 1.220 endorses the ASME Operation and Maintenance OM‑2 Code, Component Testing Requirements at Nuclear Facilities, 2024 Edition. The guide, effective August 18, 2026, describes an approach the NRC staff considers acceptable for the development and implementation of an Inservice Testing (IST) Program for all types of nuclear facilities.
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