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8685

Rules and Regulations
Federal Register Vol. 86, No. 25
Tuesday, February 9, 2021

This section of the FEDERAL REGISTER
contains regulatory documents having general applicability and legal effect, most of which are keyed to and codified in the Code of Federal Regulations, which is published under 50 titles pursuant to 44 U.S.C. 1510.
The Code of Federal Regulations is sold by the Superintendent of Documents.

NUCLEAR REGULATORY
COMMISSION
10 CFR Parts 50 and 52
NRC20080122

Criteria for Development of Evacuation Time Estimate Studies NUREG/CR
7002, Revision 1
Nuclear Regulatory Commission.
ACTION: NUREG; issuance.
AGENCY:

The U.S. Nuclear Regulatory Commission NRC is issuing Revision 1
to NUREG/CR7002, Criteria for Development of Evacuation Time Estimate Studies. This revised NUREG
provides guidance to meet NRC
requirements for development of evacuation time estimates ETEs to support emergency planning. This revision reflects the importance of various ETE model parameters based on the results of an applied research study on ETEs. The format and criteria provided in this document will support consistent application of the ETE
methodology and will facilitate consistent NRC review of ETE studies.
DATES: NUREG/CR7002, Revision 1 is available on February 9, 2021.
ADDRESSES: Please refer to Docket ID
NRC20080122 when contacting the NRC about the availability of information regarding this document.
You may obtain publicly available information related to this document using any of the following methods:
Federal Rulemaking Website: Go to https www.regulations.gov and search for Docket ID NRC20080122. Address questions about Docket IDs in Regulations.gov to Stacy Schumann;
telephone: 3014150624; email:
Stacy.Schumann@nrc.gov. For technical questions, contact the individual listed in the FOR FURTHER INFORMATION
CONTACT section of this document.
NRCs Agencywide Documents Access and Management System ADAMS: You may obtain publicly
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SUMMARY:

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available documents online in the ADAMS Public Documents collection at https www.nrc.gov/reading-rm/
adams.html. To begin the search, select Begin Web-based ADAMS Search. For problems with ADAMS, please contact the NRCs Public Document Room PDR
reference staff at 18003974209, 301
4154737, or by email to pdr.resource@
nrc.gov. NUREG/CR7002, Rev. 1, Criteria for Development of Evacuation Time Estimate Studies is available in ADAMS under Accession No.
ML21013A504.
Attention: The PDR, where you may examine and order copies of public documents, is currently closed. You may submit your request to the PDR via email at pdr.resource@nrc.gov or call 18003974209 or 3014154737, between 8:00 a.m. and 4:00 p.m. EST, Monday through Friday, except Federal holidays.
FOR FURTHER INFORMATION CONTACT:
Todd Smith, Office of Nuclear Security and Incident Response, U.S. Nuclear Regulatory Commission, Washington, DC 205550001; telephone: 301287
3744, email: Todd.Smith@nrc.gov.
SUPPLEMENTARY INFORMATION:
I. Discussion The ETE is a calculation of the time to evacuate the plume exposure pathway emergency planning zone EPZ, an area around a nuclear power plant for which planning is needed to ensure that prompt and effective actions can be taken in the event of a radiological emergency. The ETE is primarily used to inform protective action strategies within the EPZ and may be used to assist in the development of traffic management plans to support an evacuation. In November 2011, the NRC issued NUREG/CR7002, Criteria for Development of Evacuation Time Estimate Studies ADAMS Accession No. ML113010515, as guidance to support compliance with ETE
provisions added to the NRCs regulations in title 10 of the Code of Federal Regulations, part 50, appendix E, section IV, in a final rule issued on November 23, 2011 76 FR 72560. The initial release of this guidance was based on previous advancements in the development of ETE modeling and knowledge gained through research of large scale evacuations and staged evacuations.

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The revised NUREG/CR7002 is based on an applied research study to examine, through modeling and simulation, technical subjects associated with the use of traffic simulation models for ETE studies, documented in NUREG/CR7269, Enhancing Guidance for Evacuation Time Estimate Studies ADAMS Accession No.
ML20070M158. Specific areas of research included the impact of shadow evacuations, evacuation model boundary conditions, the use of manual traffic control, and the sensitivity of various model parameters important to ETE studies. The study provided a technical basis for revisions to NUREG/
CR7002 to reflect current practices in transportation modeling and an enhanced understanding of evacuation dynamics. The NRCs intent in revising NUREG/CR7002 is to ensure consistency in the development and review of ETE studies.
II. Additional Information Following development of the revised guidance, the NRC posted the draft NUREG/CR7002, Rev. 1 to the Federal Rulemaking website at https
www.regulations.gov for a 45-day public comment period 85 FR 52930; August 27, 2020. The NRC held a public meeting on September 16, 2020, to discuss the scope of the proposed revisions. The comment period closed on October 13, 2020. In total, the NRC
received, reviewed, and considered 10
comments during the development of this revision. Of the 10 comments, 7
were accepted i.e., the NRC revised the draft guidance exactly as recommended, 2 were agreed to in part, and 1 comment was rejected. In all, nine comments resulted in revisions to the draft guidance. A detailed report on the comment resolutions, including the agencys rationales for each comments disposition, will be available for review in ADAMS under Accession No.
ML21007A043 and at https
www.regulations.gov/, under Docket ID
NRC20080122, within 30 days after issuance of the final NUREG/CR7002, Rev. 1. Additionally, in response to EPFAQ 202001 ADAMS Accession No. ML20206L127, the NRC revised the draft guidance to clearly define the decennial period as it applies to the ETE
updates required by 10 CFR part 50, appendix E, sections IV.5 and IV.6.

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