Regulatory Guide: Acceptability of ASME OM-2 Code, Component Testing Requirements at Nucle
The U.S. Nuclear Regulatory Commission (NRC) is issuing Regulatory Guide (RG) 1.220, Revision 0, "Acceptability of ASME OM-2 Code, Component Testing Requirements at Nuclear Facilities." This new RG endorses, with a regulatory position, the American Society of Mechanical Engineers (ASME) Operation and Maintenance OM-2 C
| Agency | Nuclear Regulatory Commission |
|---|---|
| Document type | Notice |
| Published | 2026-06-04 |
| Summary | The U.S. Nuclear Regulatory Commission (NRC) is issuing Regulatory Guide (RG) 1.220, Revision 0, "Acceptability of ASME OM-2 Code, Component Testing Requirements at Nuclear Facilities." This new RG endorses, with a regulatory position, the American Society of Mechanical Engineers (ASME) Operation and Maintenance OM-2 Code, Component Testing Requirements at Nuclear Facilities, 2024 Edition, and describes an approach that is acceptable to the NRC staff for the development and implementation of an Inservice Testing (IST) Program for all types of nuclear facilities. This RG is effective on the date of Federal Register Notice publication, with a 30-day post-promulgation comment period. |
| Document number | 2026-11191 |
| Official record | https://www.federalregister.gov/documents/2026/06/04/2026-11191/regulatory-guide-acceptability-of-asme-om-2-code-component-testing-requirements-at-nuclear |