UN Model Regulations Rev. 24 (2025) / Sett. 2025

UN Model Regulations Rev. 24 (2025) / Sett. 2025

ID 24591 | 15.09.2025 / Attached

At its twelfth session (6 December 2024), the Committee adopted a set of amendments to the Model Regulations on the Transport of Dangerous Goods (see ST/SG/AC.10/52/Add.1), concerning, among others:

- Revised provisions for cells and batteries to take into account hybrid batteries containing both lithium ion cells and sodium ion cells and to provide new entries to cover the different cases of batteries contained in equipment and of batteries installed in cargo transport unit;
- Updates of references to ISO standards;
- Provisions for the use of recycled plastics material for flexible intermediate bulk containers;
- Clarification of the provisions for the packaging of solid substances that are liable to become liquid during transport;
- Provisions for transport of liquid organic hydrogen carriers (LOHCs);
- Provisions for salvage pressure receptacles based on a limit of the maximum pressure volume product (pV-product);
- Provisions for the classification of energetic samples;
- Exemptions for the packaging of small quantities of liquid substances classified as environmentally hazardous;
- Provisions for the design, construction, inspection and testing of FRP service equipment for portable tanks.

The twenty-fourth revised edition of the Recommendations takes account of these amendments. 
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Volume I (EN/FR) September 2025
Volume II (EN/FR) September 2025

UNECE
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