50914 Federal Register / Vol. 86, No. 174 / Monday, September 13, 2021 / Notices 

• Storm Representative Dew Point 

Selection 

• Precipitable Water Estimation 

• Dew Point Climatology, Moisture 

Maximization, and Moisture 

Transposition 

• Terrain Adjustment 

• Envelopment and Probable Maximum 

Precipitation Determination 

• Spatial and Temporal Distributions 

for SSPMP Applications 

This reference document describes 

the technical theory, data sources, and 

analysis methodology that could be 

used to derive a SSPMP estimate. 

Certain new terms are also introduced 

and defined. This reference document 

also identifies key technical 

(meteorological) considerations when 

reviewing a SSPMP estimate. 

To date, there is no clear NRC 

guidance on this topic or a commonly 

agreed-to approach on the estimation of 

SSPMP. As the staff may be reviewing 

additional SSPMP estimates in the 

future in connection with its regulatory 

responsibilities, it was decided to elicit 

stakeholder views on the matters and 

approaches discussed in this draft 

document. 

This document contains no regulatory 

guidance or regulatory positions. 

A request for comments on draft 

NUREG/KM–0015, (ADAMS Accession 

No. ML20356A293) was published in 

the Federal Register on December 29, 

2020 (85 FR 85683), with a 60-day 

comment period ending on March 1, 

2021. Comments received on NUREG/ 

KM–0015 can be found on the Federal 

Rulemaking website (https://

www.regulations.gov) under Docket ID 

NRC–2020–0237. 

II. Knowledge Management 

Since its inception, the Atomic 

Energy Commission and its successor, 

the NRC, have focused on preserving the 

(explicit) documentary record of its 

decision-making in the form of 

NUREGs, SECY Papers, Regulatory 

Guides, and other documents. However, 

in 2006, the agency recognized that 

there was a need to engage in a moreformal program of knowledge 

management that also reflects the lesstangible (implicit) human capital aspect 

of the agencies’ knowledge base. This 

feature was particularly important as the 

agency enters its fifth decade of 

operation—a period characterized by an 

increasing number of retirements among 

long-serving staff involved in many of 

the agencies’ early regulatory programs 

and associated licensing actions. Staff 

efforts thus far in preserving this legacy 

of experience that describe important 

historical events, facts, and research that 

were instrumental in shaping NRC’s 

regulatory programs, can be found at 

https://www.nrc.gov/reading-rm/doccollections/nuregs/knowledge/. 

The purpose of this knowledge 

management NUREG (or NUREG/KM) is 

intended to satisfy an NRC goal of 

maintaining and preserving knowledge 

concerning the lessons-learned from the 

recent flood hazard re-evaluations at 

current and planned nuclear power 

plant sites performed most recently in 

connection with the staff 2012 § 50.54(f) 

reviews. 

Dated: September 8, 2021. 

For the Nuclear Regulatory Commission. 

Luissette Candelario-Quintana, 

Project Manager, External Hazards Branch, 

Division of Engineering and External 

Hazards, Office of Nuclear Reactor 

Regulation. 

[FR Doc. 2021–19636 Filed 9–10–21; 8:45 am] 

BILLING CODE 7590–01–P 

NUCLEAR REGULATORY 

COMMISSION 

[NRC–2021–0038] 

Safety-Related Steel Structures and 

Steel-Plate Composite Walls for Other 

Than Reactor Vessels and 

Containments 

AGENCY: Nuclear Regulatory 

Commission. 

ACTION: Regulatory guide; issuance; 

correction. 

SUMMARY: The U.S. Nuclear Regulatory 

Commission (NRC) is correcting a notice 

that was published in the Federal 

Register (FR) on September 7, 2021, 

regarding the issuance of Regulatory 

Guide (RG) 1.243, ‘‘Safety-Related Steel 

Structures and Steel-Plate Composite 

Walls for other than Reactor Vessels and 

Containments.’’ This action is necessary 

to correct the NRC Docket ID in the 

notice title and the ADDRESSES section 

and to correct a date in the Additional 

Information section. 

DATES: The correction takes effect on 

September 13, 2021. 

ADDRESSES: Please refer to Docket ID 

NRC–2021–0038 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 NRC–2021–0038. Address 

questions about Docket IDs in 

Regulations.gov to Stacy Schumann; 

telephone: 301–415–0624; email: 

Stacy.Schumann@nrc.gov. For technical 

questions, contact the individuals listed 

in the FOR FURTHER INFORMATION

CONTACT section of this document. 

• NRC’s Agencywide Documents 

Access and Management System 

(ADAMS): You may obtain publicly 

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 NRC’s Public Document Room (PDR) 

reference staff at 1–800–397–4209, 301– 

415–4737, or by email to pdr.resource@

nrc.gov. The ADAMS accession number 

for each document referenced (if it is 

available in ADAMS) is provided the 

first time that it is mentioned in this 

document. 

• 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 1– 

800–397–4209 or 301–415–4737, 

between 8:00 a.m. and 4:00 p.m. (ET), 

Monday through Friday, except Federal 

holidays. 

RG 1.243 and the regulatory analysis 

may be found in ADAMS under 

Accession Nos. ML21089A032 and 

ML20339A559, respectively. 

Regulatory guides are not 

copyrighted, and NRC approval is not 

required to reproduce them. 

FOR FURTHER INFORMATION CONTACT: 

Edward O’Donnell, telephone: 301–415– 

3317, email: Edward.ODonnell@nrc.gov 

and Marcos Rolon Acevedo, telephone: 

301–415–2208, email: 

Marcos.RolonAcevedo@nrc.gov. Both 

are staff of the Office of Nuclear 

Regulatory Research at the U.S. Nuclear 

Regulatory Commission, Washington, 

DC 20555–0001. 

SUPPLEMENTARY INFORMATION: In the FR 

on September 7, 2021, in FR Doc. 2021– 

19178, on page 50190, in the notice title 

after agency name correct ‘‘NRC–2020– 

0038’’ to read ‘‘NRC–2021–0038.’’ In the 

ADDRESSES section, first sentence correct 

NRC Docket ID ‘‘NRC–2020–0038’’ to 

read ‘‘NRC–2021–0038’’ and in the first 

bullet of the ADDRESSES section, first 

sentence, correct ‘‘NRC–2020–0038’’ to 

read ‘‘NRC–2021–0038.’’ In the 

Additional Information section, correct 

‘‘March 29, 2020’’ to read ‘‘March 29, 

2021.’’ 

Dated: September 7, 2021. 

For the Nuclear Regulatory Commission. 

Meraj Rahimi, 

Branch Chief, Regulatory Guide and Programs 

Management Branch, Division of Engineering, 

Office of Nuclear Regulatory Research. 

[FR Doc. 2021–19621 Filed 9–10–21; 8:45 am] 

BILLING CODE 7590–01–P 


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