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2017-50 December 21, 2017 Report on 52nd Session of the UN Sub-Committee of Experts on the Transport of Dangerous Goods

By Frits Wybenga, Senior Technical AdvisorDecember 21, 2017

From November 27 – December 6, 2017, the United Nations Sub-Committee of Experts on the Transport of Dangerous Goods (SCETDG) held its 52nd session in Geneva, Switzerland. This was the second session of the new biennium. Changes to the UN Model Regulations (UNMR) agreed at all four sessions of this biennium will form the basis for amendments included in the 21st revised edition.

For reader convenience, Mr. Wybenga's report is divided into the following categories. In his full report, these categories link directly to their respective sections.

  • Explosives and related matters
  • Listing, classification, and packing
  • Electric storage systems
  • Transport of Gases
  • Miscellaneous proposals of amendments to the Model Regulations on the Transport of Dangerous Goods
  • Global harmonization of transport of dangerous goods regulations with the Model Regulations
  • Cooperation with the International Atomic Energy Agency
  • Issues relating to the Globally Harmonized System of Classification and Labeling of Chemicals
  • Other business

As a matter of reader interest, we highlight the following topics as being particularly noteworthy and worth paying close attention:

  • Multiple marking of packagings, including IBCs and large packagings, indicating conformity with more than one successfully tested design type
  • Assignment of packing group to Class 6.2 infectious substances
  • Polymerizing substances - corrections for UN 2522 and UN 2383
  • Hazard based system for classification of lithium batteries
  • Harmonization of the proper shipping names of UN 3481 and UN 3091
  • Requirements for damaged or defective lithium cells and batteries
  • Provisions for closures of pressure receptacles
  • Size of the UN number marking on packagings under 5.2.1.1 (INF8, INF37
  • Additional marking of the maximum stacking load of IBC
  • Impact testing of portable tanks and MEGCs: proposal to revise Section 41 of the Manual of Tests and Criteria
  • Harmonization between the IAEA INFCIRC225 Rev5 and the Model Regulations

Click here to read Mr. Wybenga's full report. Subscriber login is required.


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