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# Completed Risk-Informed Activities

The following risk-informed activities were removed from the public website because they are no longer active.
            - FY 2017
            - FY 2018
            - FY 2019
            - FY 2020
            - FY 2021
            - FY 2022
            - FY 2023

## FY 2017

Risk Informed Activities Completed or Not Active, FY 2017
            - Risk Prioritization Initiatives (RPI)
            - Emergency Core-Cooling System (ECCS) Requirements: Redefinition of Loss-of-Coolant Accidents (LOCA)
            - Emergency Core Cooling System (ECCS) Requirements: Loss of Coolant Accident and Loss of Offsite Power (ECCS-LOCA/LOOP)
            - Risk-Informed In-service Inspection (ISI)
            - Standard Review Plan, Chapter 19.0 Severe Accidents (NUREG-0800) Staff Review of NuScale Licensing Topical Report on Risk Significance Determination
            - Use of Risk Insights to Enhance Technical Reviews of Design Certification (DC) Applications
            - Revise the Fuel Cycle Oversight Program (RFCOP)
            - Enhance Regulatory Framework for Extended Storage and Transportation
            - Risk Management Regulatory Framework (RMRF)

## FY 2018

Risk Informed Activities Completed or Not Active, FY 2018
            - NRC Grow Your Own PRA Capability
            - Interim Staff Guidance on PRA Technical Adequacy for Advanced Light Water Reactors
            - Methods, Tools and Guidance for Including Digital Systems in Nuclear Power Plant PRAs

## FY 2019

Risk Informed Activities Completed or Not Active, FY 2019
            - Consequential SG Tube Rupture Probability and Consequence Assessment
            - Implementation of Lessons Learned from Uranium Accumulation Event
            - Medical Use of Byproduct Materials 10CFR35 – Medical Event Definitions, Training and Experience, and Clarifying Amendments
            - Increasing License Terms for Uranium Recovery Facilities
            - Aligning the Inspection Hours with the Stage of Decommissioning for Power Reactors

## FY 2020

Risk Informed Activities Completed or Not Active, FY 2020
            - Extension of Timeframe for Uranium Recovery Inspection
            - Multi-Layered National Security Framework and Design Basis Threat

## FY 2021

Risk Informed Activities Completed or Not Active, FY 2021
            - Rulemaking – Cyber Security for Fuel Cycle Facilities
            - Rulemaking Activities
            - Regulatory Improvements for Production and Utilization Facilities Transitioning to Decommissioning Rulemaking
            - Design Compliance Enforcement Discretion (DCED): a Risk-Informed Approach for Addressing Low Risk, Low Safety Significance Design Compliance Issues
            - Risk-Informed Compensatory Measures
            - Accident Sequence Precursor (ASP) Program

## FY 2022

Risk Informed Activities Completed or Not Active, FY 2022
            - RG 1.200, Acceptability of Probabilistic Risk Assessment Results for Risk-Informed Activities (LWRs)
            - PRA Standards Development
            - Industry Peer Review Guidance Development
            - Regulatory Guide 1.174, An Approach for Using Probabilistic Risk Assessment in Risk-Informed Decisions on Plant Specific Changes to the Licensing Basis
            - NUREG 1855, Guidance on the Treatment of Uncertainties Associated with PRAs in Risk-Informed Decisionmaking
            - Achieving the Vision of Becoming a Modern, Risk-Informed Regulator
            - ANS Standard 57.11, "Integrated Safety Assessments for Fuel Cycle Facilities"
            - Rulemaking – Cybersecurity for Fuel Cycle Facilities
            - Rulemaking for Reprocessing Facilities

## FY 2023

Risk Informed Activities Completed or Not Active, FY 2023 
            - Risk-Informed Reviews of Instrumentation and Control (I&C) Systems and Components:
            - Integrating Risk Insights into the Digital I&C Regulatory Framework
            - Risk-Informed Adversary Timeline Calculations
            - Ensure Force-on-Force (FoF) Scenarios Are Realistic and Reasonable
            - ANS Standard 57.11, "Integrated Safety Assessments for Fuel Cycle Facilities"
            - Rulemaking for Reprocessing Facilities
            - Consolidated Decommissioning Guidance (NUREG-1757)
            - Methodology for Defining Authorized Shielding-Related Specifications of Spent Fuel Storage System Contents

### **The ADAMS package for all years is ML23255A028**

Page Last Reviewed/Updated Tuesday, April 02, 2024

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Page Last Reviewed/Updated Tuesday, April 02, 2024