⚠️NRC Draft Report on Level 3 Probabilistic Risk Assessment for Reactors
The U.S. Nuclear Regulatory Commission (NRC) is issuing for public comment a draft report on the Level 3 Probabilistic Risk Assessment (PRA) project; specifically, "Volume 5: Overview of Reactor, Low-Power and Shutdown, Level 1, 2, and 3 PRAs for Internal Events."
Learn More🌊FEMA Notice on Changes in Flood Hazard Determinations
This notice lists communities where the addition or modification of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard Area (SFHA) boundaries or zone designations, or the regulatory floodway (hereinafter referred to as flood hazard determinations), as shown on the Flood Insurance Rate Maps (FIRMs), and where applicable, in the supporting Flood Insurance Study (FIS) reports, prepared by the Federal Emergency Management Agency (FEMA) for each community, is appropriate because of new scientific or technical data. The FIRM, and where applicable, portions of the FIS report, have been revised to reflect these flood hazard determinations through issuance of a Letter of Map Revision (LOMR), in accordance with Federal Regulations. The current effective community number is shown in the table below and must be used for all new policies and renewals.
Learn More⚛️NRC Draft Report on Level 3 Risk Assessment Now Open for Comments
The U.S. Nuclear Regulatory Commission (NRC) is issuing for public comment a draft report on the Level 3 Probabilistic Risk Assessment (PRA) project; specifically, "Volume 8: Integrated Site Risk, All Hazards, Level 1, Level 2, and Level 3 PRA."
Learn More🧪EPA Findings on New Chemicals Not Likely to Present Risks
The Toxic Substances Control Act (TSCA) requires EPA to publish in the Federal Register a statement of its findings after its review of certain TSCA submissions when EPA makes a finding that a new chemical substance or significant new use is not likely to present an unreasonable risk of injury to health or the environment. Such statements apply to premanufacture notices (PMNs), microbial commercial activity notices (MCANs), and significant new use notices (SNUNs) submitted to EPA under TSCA. This document presents statements of findings made by EPA on such submissions during the period from April 1, 2025 to April 30, 2025.
Learn More🌿EPA Extends Comment Period on PFOA and PFOS Risk Assessment
This document extends the comment period for the notice published by the Environmental Protection Agency in the Federal Register on January 15, 2025.
Learn More⚛️NRC Draft Guidance on Risk Assessment for Nuclear Construction Permits
The U.S. Nuclear Regulatory Commission (NRC) is soliciting public comment on its draft Interim Staff Guidance (ISG) "Content of Risk Assessment and Severe Accident Information in Light-Water Power Reactor Construction Permit Applications." This draft ISG clarifies the scope and depth of the NRC staff review of the content of risk assessment and severe accident information in a construction permit (CP) application for a light-water power reactor. The purpose of this draft ISG is to clarify existing guidance in NUREG-0800, "Standard Review Plan [SRP] for the Review of Safety Analysis Reports for Nuclear Power Plants: LWR Edition (NUREG-0800, formerly issued as NUREG-75 087)," ("the SRP"; Ref. 1).
Learn More