|What’s new in IMDG Code Amendment 32-04?|
Amendment 32-04 of the IMDG Code contains about 90 new UN numbers, going up to 3468. Amongst the new ones are 10 toxic by inhalation liquids and 10 organometallic substances. In 66 cases where formerly a UN number could refer to both a liquid and a solid variant, now the existing UN number refers to just one of these states, and a new UN number has been allocated to the other state. Eight UN numbers have an additional choice of packing group.
A new chapter 1.4 contains provisions which address the security of dangerous goods in transport by sea.
Additions to Segregation Groups
There are many additions to the substances allocated to segregation groups in chapter 3.1. There is a new group, alkalis, containing 65 UN numbers, all of which now need to be 'separated from' acids. Some substances in the list of acids are now marked as 'strong acids'. Many more substances now have specific segregation requirements listed in the DGL.
For bulk packaging, the BP Packing Instruction code in column 8 of the Dangerous Goods List is no longer used. Instead, a BK2 code has been introduced in the Tank Instructions column of the Dangerous Goods List to indicate that a closed bulk container may be used. Chapter 4.3 now describes the use of bulk containers and the new chapter 6.9 describes their design, construction, inspection and testing. BK1's, sheeted bulk containers, may not be used for sea transport.
Regarding tanks for solids, the old section 4.2.7, which stated that solids such as powders or granules that are permissible in IBCs were also allowed in tanks, is deleted. Instead, there are explicit tank instruction numbers for suitable solids in the DGL.
Class 6.2 / Class 9 / Class 7 Changes
Section 2.6.3 (class 6.2 - infectious substances) and chapter 2.9 (class 9 - miscellaneous) have been rewritten. Chapter 3.5, transport schedules for radioactive materials, is deleted. Instead, users are referred to the relevant IAEA transport schedules.
There are many detailed changes to table 18.104.22.168.4 (organic peroxides) and the packing instructions. There are extensive changes to section 6, construction and testing of packagings. There are smaller changes to most other chapters.
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