Standardization and promotion of good practices associated with the planning, construction, operation and decommissioning of installations, processes and technologies involving radioactive materials. Nuclear installations, processes and technologies include: the Fuel Cycle, ex-reactor nuclear criticality safety, analytical methodologies, transport of radioactive materials, materials characterisation, radioactive waste management and decommissioning.

Excluded: specific enabling technologies and techniques for non-peaceful applications; sealed sources, radiation processing, nuclear power plants and research reactors (with regard to nuclear criticality safety while fuel is loaded in the reactor core).

Quick links


published ISO standards *


ISO standards under development *

Participating members
Observing members

* number includes updates

Reference Title Type
ISO/TC 85/SC 5/CAG   Chair's Advisory Group Working group
ISO/TC 85/SC 5/WG 1   Analytical methodology in the nuclear fuel cycle Working group
ISO/TC 85/SC 5/WG 4   Transportation of radioactive material Working group
ISO/TC 85/SC 5/WG 5   Characterisation and waste management Working group
ISO/TC 85/SC 5/WG 8   Nuclear criticality safety Working group
ISO/TC 85/SC 5/WG 13   Decommissioning : decontamination, dismantling and remediation Working group
Liaison Committees to ISO/TC 85/SC 5

The committees below can access the documents of ISO/TC 85/SC 5:

Reference Title ISO/IEC
IEC/SC 45B Radiation protection instrumentation IEC
ISO/TC 135 Non-destructive testing ISO


Liaison Committees from ISO/TC 85/SC 5

ISO/TC 85/SC 5 can access the documents of the committees below:

Reference Title ISO/IEC
IEC/SC 45B Radiation protection instrumentation IEC
ISO/TC 34 Food products ISO
ISO/TC 190 Soil quality ISO


Organizations in liaison (Category A and B)
Acronym Title Category
EC - European Commission European Commission A
IAEA International Atomic Energy Agency A
WNA World Nuclear Association A
WNTI World Nuclear Transport Institute A

Date Month Location TC/SC Note
29-1 May-June 2023 Tsukuba (Japan) ISO/TC 85/SC 5  

* Information definite but meeting not yet formally convened
** Provisional

ISO/TC 85/SC 5 - Secretariat

BSI [United Kingdom]

British Standards Institution
389 Chiswick High Road
London W4 4AL
United Kingdom

Tel: +44 208 996 90 00
Fax: +44 208 996 74 00