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The U.S. Nuclear Regulatory Commission is in the process of rescinding or revising guidance and policies posted on this webpage in accordance with Executive Order 14151 Ending Radical and Wasteful Government DEI Programs and Preferencing, and Executive Order 14168 Defending Women From Gender Ideology Extremism and Restoring Biological Truth to the Federal Government. In the interim, any previously issued diversity, equity, inclusion, or gender-related guidance on this webpage should be considered rescinded that is inconsistent with these Executive Orders.

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Regulatory Guide 1.82 (Task MS 203-4), Revision 1, Water Sources for Long-Term Recirculation Cooling Following Loss-Of-Coolant Accident.

Revision 1V November 1985U.S. NUCLEAR REGULATORY COMMISSIONREGULATORY GUIDE OFFICE OF NUCLEAR REGULATORY RESEARCH REGULATORY GUIDE 1.82 (Task MS 2034) WATER SOURCES FOR LONG-TERM RECIRCULATION COOLING FOLLOWING A LOSS-OF-COOLANT ACCIDENTA. INTRODUCTION General Design Criteria ...

Transformation at the NRC: Innovation

Mike Wetklow, Deputy Chief Financial Officer & Director of the Division of Financial Management, National Science FoundationBethany Blakey, Lead, Change Management Center of Excellence, Technology Transformation Services NRC Staff

Draft Final Regulatory Guide DG-1137, "Guidelines for Lightning Protection of Nuclear Power Plants"

ACRSR-2142July 18, 2005Mr. Luis A. ReyesExecutive Director for OperationsU.S. Nuclear Regulatory CommissionWashington, DC 20555-0001SUBJECT: DRAFT FINAL REGULATORY GUIDE DG-1137, “GUIDELINES FORLIGHTNING PROTECTION OF NUCLEAR POWER PLANTS”Dear Mr. Reyes:During the 524th meetin...

Regulatory Guide 1.191 Periodic Review.

Regulatory Guide Periodic Review Enclosure Regulatory Guide Number: 1.191, Revision 0 Title: Fire Protection Program for Nuclear Power Plants During Decommissioning and Permanent Shutdown Office/Division/Branches: NMSS/DUWP/RDB, NRR/DRA/APLB Technical Leads: John...

Safety Guide 9, "Selection of Diesel Set Capacity for Standby Power Supplies".

8/10/71SAFETY GUIDE 9SELECTION OF DIESEL GENERATOR SET CAPACITY FORSTANDBY POWER SUPPLIESA. IntroductionGeneral Design Criterion 17 requires thatthe onsite (standby) power supply for a nuclearpower plant be of sufficient capacity and capa-bility to assure that (1) specified ac...

Note to Editors: NRC Received Eight Reports from ACRS

NRC NEWSU. S. NUCLEAR REGULATORY COMMISSIONOffice of Public AffairsTelephone: 301/415-8200Washington, DC 20555-001E-mail: opa@nrc.govNo. 97-187December 19, 1997NOTE TO EDITORS:The Nuclear Regulatory Commission has received eight reports from its Advisory Committee on Reactor S...

Safety Guide 20, "Vibration Measurements on Reactor Internals."

12/29/71SAFETY GUIDE 20-VIBRATION MEASUREMENTS ON REACTOR INTERNALSA. IntroductionGeneral Design. Criterion 1 requires thatstructures, systems and components importantto safety, be designed, fabricated, erected, andtested to quality standards commensurate withthe importance of...

Regulatory Guide 1.203, "Transient and Accident Analysis Methods" (formerly Draft Regulatory Guide DG-1096, December 2000, and Draft Regulatory Guide DG-1120, December 2002).

1Regulatory Guide 1.157, “Best-Estimate Calculations of Emergency Core Cooling System Performance,” describesacceptable models, correlations, data, model evaluation procedures, and methods for meeting the specific requirementsfor a realistic or best-estimate calculation of ECC...

Regulatory Analysis, Draft Regulatory Guide (DG) - 1217, "Protection Against Turbine Missiles," Proposed Revision 2 of Regulatory Guide 1.115.

Page 1 REGULATORY ANALYSIS DRAFT REGULATORY GUIDE (DG) – 1217 “PROTECTION AGAINST TURBINE MISSILES” Proposed Revision 2 of Regulatory Guide 1.115 Statement of the Problem The U.S. Nuclear Regulatory Commission (NRC) issued Regulatory Guide 1.115, “Protection against Low-Tra...

Draft Regulatory Guide DG-3010 (Proposed Revision 1 to Regulatory Guide 3.54), for Comment, Spent Fuel Heat Generation in Independent Spent Fuel Storage Installation.

U.S. NUCLEAR REGULATORY COMMISSION September 1997 o OFFICE OF NUCLEAR REGULATORY RESEARCH Division 3 Task DG-3010 C -DRAFT REGULATORY GUIDE Contact: C.W. Nilsen (301)415-6209 DRAFT REGULATORY GUIDE DG-3010 (Proposed Revision 1 to Regulatory Guide 3.54) SPENT FUEL HEAT GENERATI...

Fire Protection NUREG Publications Prepared by NRC Contractors

The U.S. Nuclear Regulatory Commission (NRC) provides guidance to licensees and applicants by issuing NUREG-series publications regarding regulatory decisions, research results, results of incident investigations, and other technical and administrative information. NUREG-serie...

Regulatory Analysis for Regulatory Guide 1.141, Rev. 1.

Page 1 REGULATORY ANALYSIS Proposed Revision 1 to Regulatory Guide 1.141, “Containment Isolation Provisions for Fluid Systems.” Statement of the Problem The U.S. Nuclear Regulatory Commission (NRC) staff’s review of the lessons learned from the accident at Three Mile Island ...

Draft Final Regulatory Guide DG-1077, "Guidelines for Environmental Qualification of Microprocessor-Based Equipment Important to Safety in Nuclear Power Plants"

ACRSR-2018February 14, 2003Dr. William D. TraversExecutive Director for OperationsU.S. Nuclear Regulatory CommissionWashington, DC 20555-0001SUBJECT: DRAFT FINAL REGULATORY GUIDE DG-1077, “GUIDELINES FORENVIRONMENTAL QUALIFICATION OF MICROPROCESSOR-BASEDEQUIPMENT IMPORTANT TO ...

Regulatory Guide Number 4.14, Revision 1

Regulatory Guide Periodic Review Regulatory Guide Number: 4.14, Revision 1 Title: Effluent and Environmental Monitoring at Uranium Recovery Facilities Office/Division/Branch: NMSS/DUWP/URLB Technical Lead: Ronald A. Burrows Staff Action Decided: Reviewed with issue...

Regulatory Guide 1.166, Revision 1

U.S. NUCLEAR REGULATORY COMMISSION REGULATORY GUIDE 1.166, REVISION 1 Issue Date: February 2020 Technical Leads: Vladimir Graizer Thomas Weaver Written suggestions regarding this guide or development of new guides may be submitted through the NRC’s public Web site in the NR...

NRC Regulations by Subject Matter

NRC regulations are found in Title 10, "Energy," of the Code of Federal Regulations (CFR), Chapter I, Parts 1–199 and are listed by part in the index to Title 10 of the CFR. You may also purchase NRC regulations from the Government Printing Office (GPO) Booksto...

2005 NRC Presentations at Industry Conferences

The NRC has been requested to make presentations regarding quality assurance and vendor related issues at various industry conferences. The following presentations have been made during 2005:This page includes links to files in non-HTML format. See Plugins, Viewers, and Other ...

t, E(. U.S. NUCLEAR REGULATORY COMMISSION Revision 3 P #,December 1999 3 REGULATORY GUIDE OFFICE OF NUCLEAR REGULATORY RESEARCH REGULATORY GUIDE 1.105 (Draft was DG-1045) SETPOINTS FOR SAFETY-RELATED INSTRUMENTATION A. INTRODUCTION Criterion 13, "Instrumentation and Control,"...

0RRt U.S. NUCLEAR REGULATORY COMMISSION Revision 3 December 1999 !REGULATORY GUIDE OFFICE OF NUCLEAR REGULATORY RESEARCH REGULATORY GUIDE 1.105 (Draft was DG-1045) SETPOINTS FOR SAFETY-RELATED INSTRUMENTATION A. INTRODUCTION Criterion 13, "Instrumentation and Control,"' of App...

NRC Maps of Agreement States

Some of the links on this page are to non-NRC servers and websites and are provided solely as a reference for the convenience of users. NRC cannot guarantee the authenticity of documents or the validity of information obtained at these non-NRC websites. See our Site Disclaimer...

NRC Administrative Letters: 1998 Index

Document NumberTitleRevisionPublish DateReviewed DateAL-98-10Dispositioning of Technical Specifications That Are Insufficient to Assure Plant Safety--12/29/1998--AL-98-09Priority for NRR Review of Risk-Informed Licensing Actions--10/30/1998--AL-98-08Availability of Revised NRC...

NRC Oversight Activities 2005-2008

The activities associated with the NRC's oversight of the groundwater contamination at Indian Point Nuclear Generating Unit Nos. 1, 2, and 3 are documented below. Select a year below to view the activities in prior years.2000's:2008 | 2007 | 2006 | 2005 |

NRC Federal Register Notices – 2016

This page includes links to files in non-HTML format. See Plugins, Viewers, and Other Tools for more information.The following links to non-NRC servers and websites are provided solely as a reference for the convenience of users. NRC cannot guarantee the authenticity of docume...

Revision 1 of Regulatory Guide 1.71, "Welder Qualifications for Areas of Limited Accessibility" (Formerly Draft Regulatory Guide DG-1167).

The U.S. Nuclear Regulatory Commission (NRC) issues regulatory guides to describe and make available to the public methods that the NRC staffconsiders acceptable for use in implementing specific parts of the agency’s regulations, techniques that the staff uses in evaluating sp...