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The International Atomic Energy Agency (IAEA) updates the 2018 edition.
'As nuclear applications and transport technologies continue to advance, transport safety regulations must evolve accordingly to strengthen the exceptional safety record achieved globally,' says Hilaire Mansoux, Head of the IAEA Regulatory Infrastructure and Transport Safety Section.
Nearly 300 proposals for changes to the 2018 edition were received from member countries worldwide and were reviewed by an international panel of experts before the revised edition was approved by the IAEA for publication.
'This collaborative process is fundamental, ensuring that the regulations reflect the collective expertise and broad international consensus of the global transport community,' notes Mansoux.
Among the key changes are revised A1 and A2 values, which determine packaging regulations of radioactive material such as portable moisture density gauges with sealed sources of caesium-137 and americium-241 and radiopharmaceuticals that are used in diagnostic and therapeutic applications such as technetium-99m and Iodine-131.
These updates also reflect the latest radiological data, dose coefficients and modelling techniques. Additional enhancements include deadlines for phasing out packages designed under outdated standards and new provisions that address ageing effects in the design of packages for nuclear and radioactive material. The IAEA says these measures strengthen existing provisions for package durability, thereby ensuring long-term safety.
Various aspects of the 2025 edition of the of the Regulations for the Safe Transport of Radioactive Material were recently discussed at the IAEA’s International Conference on the Safe and Secure Transport of Nuclear and Radioactive Material in Vienna, Austria.