REGULATIONS 57
GAS WORKS
This second part focuses on some significant changes involving the transport of gases.
The UN Sub-committee of Experts on the Transport of Dangerous Goods (TDG) held its 56th session this past 4 to 10 December with Duane Pfund (US) as chair and Claude Pfauvadel (France) sitting as vice-chair. The session was attended by experts from 18 countries and representatives from the EU, the Intergovernmental Organisation for International Carriage by Rail (OTIF), the
the World Health Organisation (WHO) and 20 non-governmental organisations. The session was the second of four planned for the current regulatory biennium, which will result in the adoption this coming December by the parent Committee of the changes that will appear in the 22nd revised edition of the UN Recommendations on the Transport of Dangerous Goods (alternatively
STANDARDS UPDATE The International Standardisation Organisation (ISO) arrived with its usual proposals to update the standards referenced in Part 6 relating to gas cylinders, which were agreed with some textual amendments. In 6.2.2.1.2, references to “UN tubes” and “composite tubes” will be replaced by “UN tube shells” and “composite tube shells”, respectively. The existing entry in the table for UN 11515:2013 will now expire on 31 December 20206 and a new row is added referencing the 2018 amendment. This introduces the gun fire test and revises the blunt impact test. In 6.2.2.1.8, the entry in the table for ISO
International Civil Aviation Organisation (ICAO), the International Maritime Organisation (IMO), the Food and Agriculture Organisation (FAO),
known as the UN Model Regulations or the ‘Orange Book’). The first part of this three-part report on the December meeting in last month’s issue (HCB April 2020, page 50) covered discussions on the transport of explosives, classification and packaging, and electric storage systems.
21172-1:2015 will now expire on 31 December 2026 and a new row is added referencing the 2018 amendment, which removes the restriction on the carriage of corrosive gases in drums with dished ends. In 6.2.2.4, the first sentence is amended to read: »
MULTIMODAL • RESPONDING TO INDUSTRY, THE UN EXPERTS ADOPTED A LARGE NUMBER OF AMENDMENTS RELATING TO PRESSURE RECEPTACLES AT THEIR DECEMBER 2019 SESSION
AN APPARENTLY SIMPLE ITEM, A GAS CYLINDER IS SUBJECT TO NUMEROUS STANDARDS AND REGULATIONS
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