# Alternate Fracture Toughness Requirements for Protection Against Pressurized Thermal Shock Events; Correction
> **Nuclear Regulatory Commission** · Correcting amendment. · Published 2010-11-26 · Effective 2010-11-26 · 75 FR 72653
## Document
- **Document number:** 2010-29757
- **Category:** other
- **Sub-agency:** Nuclear Regulatory Commission
- **Federal Register citation:** 75 FR 72653
- **CFR reference:** 10 CFR 50
- **Publication date:** 2010-11-26
- **Effective date:** 2010-11-26
- **Energy docket:** NRC-2007-0008
## Abstract

On January 3, 2010, the Nuclear Regulatory Commission (NRC or Commission) published in the Federal Register a final rule (75 FR 13) that amends the NRC's regulations in Title 10 of the Code of Federal Regulations (10 CFR) part 50, section 61a to provide alternate fracture toughness requirements for protection against pressurized thermal shock (PTS) events for pressurized water reactor (PWR) pressure vessels. On February 3, 2010, the NRC published in the Federal Register a correction to the final rule (75 FR 5495) to correct formatting and typographical errors. This document is necessary to further correct a typographical error that appears in the correction document.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2010/11/26/2010-29757/alternate-fracture-toughness-requirements-for-protection-against-pressurized-thermal-shock-events)
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