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An overview of ONR Safeguards

Nuclear safeguards are measures to verify that countries comply with their international obligations not to use nuclear materials from their civil nuclear programmes to manufacture nuclear weapons.

Following the end of the post EU exit transition period, and the UK exiting Euratom on 31 December 2020, ONR is now the UK’s nuclear safeguards regulator, responsible for the domestic safeguards regime and operating the UK’s State System of Accountancy for and Control of Nuclear Materials (SSAC).

Over the last three years, ONR has worked with UK government, nuclear industry and other stakeholders to build the necessary capability and capacity to ensure that UK continues to meet its international safeguards obligations and play a lead role on the world stage to ensure that nuclear materials continue to be used for peaceful purposes.

We welcome you to a short presentation and a discussion on this important subject on the 27th January 2021 at 10:30am.


Mahtab Khan – ONR Safeguards Delivery Lead

Mahtab has worked in the nuclear industry and its regulation for nearly 20 years. As the Delivery Lead at ONR, he leads a team of around 30 safeguards specialists and consultants supporting safeguards implementation in the UK.

Alan Homer – ONR Safeguards Professional Lead

Alan has worked in the field of nuclear material accountancy, control and safeguards for 13 years. He is the Professional Lead for Safeguards at ONR.


Registration is free via the Institute of Physics website.



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The Curious Incident of the (Robot) Dog in the Nuclear Environment

Institute of Physics Materials and Characterisation Group Christmas Lecture

It is a generally well accepted argument that when it comes to surveying high activity nuclear facilities, robots offer a potentially safer and preferable solution to using human beings. In this IOP seminar we will tell the tale of why walking robots offer an eye catching but also technically sensible approach for surveying certain legacy nuclear facilities, culminating with ground-breaking deployments inside the Chernobyl New Safe Confinement (NSC) building.

Speaker - Professor Tom Scott

Professor Tom Scott is Director of the Interface Analysis Centre (IAC) at the University of Bristol, and lead for the newly established National Nuclear User Facility for Hot Robotics.

He is also a Royal Academy of Engineering Professorial Research Fellow co-funded by the AWE, Director of the South West Nuclear Hub and lectures in both the School of Physics and the School of Earth Sciences at Bristol.

His research expertise is around the detection and characterisation of nuclear materials, to aid prediction of their behaviour in engineered and environmental scenarios. This includes a specific strand of activity relating to nuclear robotics and sensors. He works closely with the nuclear industry in the UK and overseas to deliver characterisation and decontamination solutions for nuclear decommissioning.


The event is open to all and free to attend, but pre-registration is required via the Institute of Physics website.

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