Federal Register #NRC-2022-0215

NRC Requests Public Comment on Draft Guidance for Material Compatibility in Non-Light Water Reactors

The U.S. Nuclear Regulatory Commission (NRC) is requesting public comment on draft guidance for material compatibility in non-light water reactors. - Government Buyer: - U.S. Nuclear Regulatory Commission (NRC) - Purpose: - Seeking input on draft Interim Staff Guidance (ISG) titled "Material Compatibility for non-Light-Water Reactors, DANU-ISG-2023-01, Revision 1" - Scope: - Guidance assists NRC staff in reviewing applications for non-light water reactor designs (power and non-power reactors) - Updated appendix describes information used to review materials of construction and performance of passive structures, systems, and components (SSCs) - Includes updates to technical information and applicability to additional NRC regulations - Notable Requirements: - Focus on materials performance, environmental compatibility, and performance monitoring for safety-significant SSCs in advanced reactor applications - No products or services are being procured - No OEMs or vendors are mentioned; this is a request for public input, not a procurement opportunity

Description

The U.S. Nuclear Regulatory Commission (NRC) is soliciting public comment on its draft Interim Staff Guidance (ISG), titled "Material Compatibility for non-Light-Water Reactors, DANU-ISG-2023-01, Revision 1." This guidance aims to assist NRC staff in reviewing applications for non-light water reactor designs, including both power and non-power reactors. The ISG has been updated to include an appendix describing information used to review materials of construction and passive structures, systems, and components (SSCs) performance for non-light water reactors, along with updates to technical information and applicability to additional NRC regulations. Public comments are requested by November 5, 2026.

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