# Reactor Vessel Material Surveillance Program
> **Nuclear Regulatory Commission** · Direct final rule. · Published 2020-10-02 · Effective 2021-02-01 · 85 FR 62199
## Document
- **Document number:** 2020-21505
- **Category:** other
- **Sub-agency:** Nuclear Regulatory Commission
- **Federal Register citation:** 85 FR 62199
- **CFR reference:** 10 CFR 50
- **Publication date:** 2020-10-02
- **Effective date:** 2021-02-01
- **Energy docket:** NRC-2017-0151
## Abstract

The U.S. Nuclear Regulatory Commission (NRC) is amending the reactor vessel material surveillance program requirements for commercial light-water power reactors. This direct final rule revises the requirements associated with the testing of specimens contained within surveillance capsules and reporting the surveillance test results. This direct final rule also clarifies the requirements for the design of surveillance programs and the capsule withdrawal schedules for surveillance capsules in reactor vessels purchased after 1982. These changes reduce regulatory burden, with no effect on public health and safety.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2020/10/02/2020-21505/reactor-vessel-material-surveillance-program)
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