Chapter 2.2 – Class 2 Gases
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Resolutions - Maritime Safety Committee - Resolution MSC.294(87) – Adoption of Amendments to the International Maritime Dangerous Goods (IMDG) Code – (Adopted on 21 May 2010) - Annex – Amendments to the International Maritime Dangerous Goods (IMDG) Code - Part 2 – Classification - Chapter 2.2 – Class 2 Gases

Chapter 2.2 – Class 2 Gases

2.2.0 Introductory notes

  2.2.0 Note 2 is deleted.

  2.2.0 Delete the words "Note 1:" and in the title of 2.2.0 delete "s" in the word "notes".

2.2.2 Class subdivisions

  2.2.2.2 In subparagraph .2, delete the second sentence ("The oxidizing ability … 10156-2:2005)"

and the following new note is added:

  • "NOTE: In 2.2.2.2.2, "gases which cause or contribute to the combustion of other material more than air does" means pure gases or gas mixtures with an oxidizing power greater than 23.5% as determined by a method specified in ISO 10156:1996 or 10156-2:2005.".

  2.2.2.6 A new paragraph 2.2.2.6 is added as follows:

  • "2.2.2.6 Gases of class 2.2 are not subject to the provisions of this Code when contained in the following:

    • .1 Foodstuffs (except UN 1950), including carbonated beverages;

    • .2 Balls intended for use in sports;

    • .3 Tyres (except for air transport); or

    • .4 Light bulbs provided they are packaged so that the projectile effects of any rupture of the bulb will be contained within the package.".

2.2.3 Mixture of gases

  2.2.3.4 The reference "(see ISO 10156:1996 and ISO 10156-2:2055)" is replaced with "(see note in 2.2.2.2)".


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