The Nuclear Regulation Authority

About NRA
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Chart of NRA

Profile of Commissioners

Core Value and Principles

List of Officials

Background of the Reforms for System & Organization of Nuclear Safety Regulation

Annual Report

NRA Regional Offices

Leaflet

Map and Directions

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Nuclear Legislative Structure
Nuclear Legislative Structure

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Acts
Nuclear Regulatory Activities
Nuclear Regulatory Activities

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New Regulatory Requirements

Information on TEPCO Fukushima Daiichi NPS

Safeguards

Environmental Radioactivity Monitoring
International Cooperation
International Cooperation

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International Convention

IAEA

OECD/NEA

External Advisors Meeting
Links to Related Organizations
Links to Related Organizations

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Government of Japan

TSO

Other Organizations

Academic Associations

Nuclear Regulation for People and the Environment

INFORMATION

25 March 2025

Publication of a report on Second Interlaboratory Comparison on the Determination of Radionuclides in the Marine Environment

6 January 2025

Publication of a report on Interlaboratory Comparison (ILC) conducted jointly with the IAEA

4 October 2024

Confirmation by the International Atomic Energy Agency (IAEA) of marine sample taking, etc. in Japan

19 September 2024

Update "Profile of Commissioners"

25 July 2023

Report “Monitoring results and analysis -1st quarter of FY 2023- ” has been posted on the website.

About NRA

Nuclear Legislative Structure

Acts

Nuclear Regulatory Activities

International Cooperation

Links to Related Organizations

Government of Japan
TSO
Other Organizations
Academic Associations