ML26015A339

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Tennessee Valley Authority, Pre-Submittal Meeting for License Amendment Request to Change Emergency Action Level Scheme to Adopt the Guidance in NEI 99-01 Revision 7, Meeting Slides - (EPID L-2025-LRM-0153)
ML26015A339
Person / Time
Site: Browns Ferry, Watts Bar, Sequoyah  
Issue date: 01/22/2026
From: Kimberly Green
Tennessee Valley Authority
To:
Office of Nuclear Reactor Regulation
Green K
References
EPID L-2025-LRM-0153
Download: ML26015A339 (0)


Text

Tennessee Valley Authority Pre-Submittal Meeting for License Amendment Request to Change Emergency Action Level Scheme to adopt the guidance provided in NEI 99-01 Revision 7 January 22, 2026

Agenda

  • Purpose
  • Background
  • Submittal Contents and Format
  • Schedule for Submittal
  • Discussion and Feedback

Meeting Purpose

  • TVA is proposing to submit a license amendment request (LAR) for Browns Ferry (BFN), Sequoyah (SQN), and Watts Bar (WBN) to change their Emergency Action Level (EAL) scheme to adopt the guidance provided in Revision 7 of NEI 99-01 Development of Emergency Action Levels for Non-Passive Reactors

[ML24274A312].

  • The purpose of this meeting is to discuss the proposed EAL schemes, format and contents of the submittal, and timeline.

3

=

Background===

  • On September 22, 2025, NRC endorsed the use of NEI 99-01 Rev 7 with the publication of Revision 7 to RG 1.101 Emergency Response Planning and Preparedness for Nuclear Power Reactors [ML25065A240]
  • To date, the NRC has not approved a LAR based on NEI 99-01 Rev 7
  • The BFN, SQN, and WBN proposed EAL schemes will align closely with the NEI 99-01 Rev. 7 guidance with only minor differences and no deviations 4

Submittal Contents and Format 5

  • Cover Letter
  • Enclosure 1 Summary Description Technical Evaluation Regulatory Evaluation Environmental Consideration References

Submittal Contents and Format (cont.)

6

  • Enclosures 2, 3, and 4 Site specific enclosures with the following attachments
1. NEI 99-01 Rev 6 Licensing Basis History
2. NEI 99-01 Rev 7 Differences and Deviations
3. EAL Emergency Plan Implementing Procedure (red-line version)
4. EAL Emergency Plan Implementing Procedure (clean version)
5. Calculations Supporting EAL Scheme

NEI 99-01 Rev 6 Licensing Basis History 7

The EAL Licensing Basis History compares the approved Rev 6 EALs with the EALs in the current version of the Emergency Plan Implementing Procedure using a markup format to annotate changes made under 10 CFR 50.54(q) since NRC approval.

Each EAL is broken into the following sections:

Initiating Condition Threshold Value Basis and References The basis for changes to the NRC approved wording is documented in each section.

NEI 99-01 Rev 6 Licensing Basis History Example 8

NEI 99-01 Rev 6 Licensing Basis History Example (cont.)

9

NEI 99-01 Rev 6 Licensing Basis History Example (cont.)

10

NEI 99-01 Rev 7 Differences and Deviations 11 The Differences and Deviations Table is based on RIS 2003-18 and provides the existing Emergency Plan Implementing Procedure EALs with the changes to implement NEI 99-01 Rev 7 EAL base scheme in a markup format to annotate changes.

Each EAL is broken into the following sections:

Initiating Condition Threshold Value Basis and References Site specific information is clearly annotated and identified as either a Difference or a Deviation in accordance with the definitions listed in RIS 2003-18.

NEI 99-01 Rev 7 Differences and Deviations Example 12

NEI 99-01 Rev 7 Differences and Deviations Example (cont.)

13

NEI 99-01 Rev 7 Differences and Deviations Example (cont.)

14

Schedule for Submittal

  • Second calendar quarter 2026 - Submit LAR to NRC
  • Request NRC approval within 12 months of acceptance
  • TVA implementation within 12 months of issuance of safety evaluation report 15

Discussion and Feedback

  • Submittal contents and format
  • Submittal schedule
  • Additional questions/comments 16