Office for Nuclear Regulation

Category: Consultations

ONR responds to ‘bulk quantities’ consultation

November 24, 2021 - ‘Bulk quantities’ consultation response published


Comments invited on external hazards papers

September 14, 2021 - Comments sought on external hazards papers


IAEA Draft Safety Guide DS 470 – Radiation Safety in the Use of Sources in Research and Education

January 25, 2021 -


International Atomic Energy Agency draft documents

December 18, 2020 -


Launch of ‘bulk quantities’ consultation

November 19, 2020 - Views sought on how we will interpret ‘bulk quantities’


Draft Safety Guide DS516 – Criticality Safety in the Handling of Fissile Material (Revision of SSG-27)

March 4, 2020 -


ONR 2025 Strategy – Have Your Say!

January 15, 2020 - ONR 2025 – Have your say!


CDG guidance published

October 22, 2019 - Supports dutyholders involved in the transport of Class 7 goods


IAEA Draft Safety Guides DS510A – Safety Assessment for Research Reactors and Preparation of the Safety Analysis Report & DS510B Safety in the Utilization and Modification of Research Reactors

September 2, 2019 -


Launch of CDG guidance consultation

June 7, 2019 - Our informal consultation will run from 7 June to 19 July 2019