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Here are some of the more notable changes to the new Code:

1. New shipping descriptions have been added to the Code. These include:
   • Entries for the new technology, SODIUM ION BATTERIES, either as standalones or with equipment (similar to LITHIUM ION BATTERIES). They will be included in Class 9 and be broken into high and low-powered versions similar to lithium ion batteries.
   • A new series of names will break out vehicles powered by lithium batteries or sodium ion batteries from vehicles powered by wet or other battery types such as wet or non-spillable batteries. This will improve fire response since such batteries require specialized measures.
   • FIRE SUPPRESSANT DISPERSING DEVICES, which use a charge to spray fire suppressants over a wide area, now have their own entry.
   • GALLIUM IN MANUFACTURERED ARTICLES, a liquid metal similar to but less common than mercury will be treated in the same method as mercury.
   • Entries for the specialized chemicals DISILANE, TRIFLUOROMETHYL-TETRAZOLE-SODIUM SALT IN ACETONE and TRETRAMETHAMMONIUM HYDROXIDE AQUEOUS SOLUTION have been added.
2. After considerable testing and research, Intermediate Bulk Containers (IBCs) will be able to be manufactured from recycled plastics.
3. Provisions for CARBON (UN1361) and ACTIVATED CARBON have been modified by significant changes in their special provisions. Carbon shipments will now require the date of production and packaging, as well as the temperature of the material when packed, to be added to the shipping document as per the new section 5.4.1.5.18. Carbon can now be found in the stowage and handling procedures for Class 4 in section 7.6.2.7.
4. For the gases UN1006 (ARGON, COMPRESSED), UN1013 (CARBON DIOXIDE, COMPRESSED), UN1056 (KRYPTON, COMPRESSED) and UN1066 (NITROGEN, COMPRESSED) a new special provision 406 provides an option to ship them as limited quantities in containers up to 1000 mL if certain provisions are met. This is a significant upgrade from the previous 120 mL limit.
5. The chemical TETRAMETHYLAMMONIUM HYDROXIDE, SOLID has been reclassified as a Division 6.1 with a subsidiary hazard of Class 8 and placed in Packing Group I. This will prevent it from being transported as a Limited Quantity, and shipment in IBCs will now require special competent authority approval.
6. New packing instructions have been added for UN3555, TRIFLUOROMETHYL-TETRAZOLE-SODIUM SALT IN ACETONE (P303) and vehicles powered by lithium or sodium ion batteries (P912).
7. The lithium battery Class 9 label and the lithium battery mark for low-powered lithium batteries will now also be used for Sodium ion batteries. Therefore, they have been renamed the “Lithium or Sodium Ion Battery Class 9 Label” and “Lithium or Sodium Ion Battery Mark”.
8. A new section 5.4.4.2 requires that a certificate exempting a substance from the provisions of the IMDG Code and referred to in a special provision for that substance must be submitted together with the cargo information required by the SOLAS regulation VI/2.

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1. The International Maritime Dangerous Goods (IMDG) Code is regularly reviewed to take into account new requirements for existing substances or new substances. IMO’s Maritime Safety Committee adopted Resolution MSC.501 (105) specifying forthcoming amendments (41-22) to the IMDG Code.

2. The amendments (41-22) to IMDG Code will become mandatory from 1 January 2024, however Administrations may choose to apply the amendments on a voluntary basis from 1 January 2023.

3. The amendments (41-22) to IMDG Code is intended to align with the amendments to the UN Recommendations on the Transport of Dangerous Goods, 21st Revision Edition. In addition to the regular updates to classification, segregation, packing and marking of dangerous goods, these amendments include the following:

a. Clarification on 5.1.2.1 with regard to the fact that Class 7 goods may need to be marked with different label in addition to ‘OVERPACK’;
b. New definition for “pressure receptacle shell” in 1.2.1 of the IMDG Code;
c. The addition of a telephone number to the Lithium battery mark;
d. A new chapter regarding ‘Portable tanks with shells made of fibre-reinforced plastics (FRP) materials;
e. Deletion of ‘special stowage’ from note 1 in 7.2.7.1.4 as it is no longer applicable.

4. Further, based on the amendments (41-22) to the IMDG Code, a revised consolidated version of the EmS Guide was approved vide MSC.1/Circ.1588/Rev.2.

5. The purpose of this Guide is to provide guidance for dealing with fires and spillages (leakages) on board ships involving the dangerous goods listed in the IMDG Code. This Circular supersedes MSC.1/ Circ. 1588, Rev 1.

6. Owners and operators of ships intending to carry packaged dangerous goods cargoes are advised to be guided by above.

Enclosure:

• IMO Resolution, MSC. 501 (105).

• MSC.1/Circ.1588/Rev.2 – Revised Emergency Response Procedures for Ships carrying dangerous goods (EmS Guide).

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Category: Dangerous goods

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Use the loading systems as instructed below. You may load up to 10 items on a single CTU or combined on more CTU's.

Note:

LQ/EQ: Limited quantities and exempted quantities

Flp: Flash point. Check - If flash point < 23 C

MP: Marine Pollutant

CTU Closed: Check - If completely covered by rigid sides and top.

 Note: EMS can be viewed using the link for Fire or Spillage.

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This document summarises the amendments being introduced in the Amendment 40-20 edition of the IMDG Code which may be used on an optional basis from 1 January 2021 until it becomes mandatory on June 1 2022.

Note, during this extended transitional period Amendment 39-18 can continue to be used.

These notes are intended to provide an overview of the changes being introduced and should not be regarded as a complete listing of amendments. Reference must be made to the text of Amendment 40-20 for full details of all the amendments and applicable requirements.

Brief summary

• Less headline changes than normal Amendments resulting from the restrictions imposed on IMO meetings due to the coronavirus pandemic, impacting the normal work agenda, however there are still several hundred changes to consider
• Harmonised with the update to Model regulations, 21^st edition
• Several changes to the definitions in chapter 1.2, This includes, a new definition for ‘dose rate’ which replaces radiation level, the definition of which is now deleted; existing definitions for ‘GHS’, ‘Liquids’, ‘Manual of Tests and Criteria’, ‘Self-accelerating decomposition temperature (SADT)’, ‘Transport index", ‘Self-accelerating polymerization temperature (SAPT)’ have been amended
• The indicative list of high consequence dangerous goods in 1.4.3.1.2. has been updated to reflect the addition of the new A40 UN Numbers
• In Part 2, there are various amendments in the class chapters, in particular for class 6.2 in 2.6.3 and class 7 in 2.7.2. For class 7 radioactive materials the new SCO-III classification criteria is included. Other editorial updates are provided for classes 1, 5.2, 8 and 9 in 2.1.3.5.2, 2.5.3.2.4, 2.8.3.2 and 2.9.2.2 respectively.
• In 3.1.2.9, the requirement if a N.O.S. or generic entry is a marine pollutant, the technical name of the pollutant must be given now applies only to N.O.S. entries; other generics will not need it. The examples provided to illustrate these have been amended.
• There have been several amendments to current entries in the segregation groups affecting groups 7, 8, 11, 15, 17 and 18. There are four alcoholate entries assigned to the Alkalis – SGG18 group: UN 1289, 1431, 3206 and 3274
• There are four new UN Numbers added to the DGL, 0511, 0512 and 0513 DETONATORS, ELECTRONIC programmable for blasting and 3549 MEDICAL WASTE, CATEGORY A, AFFECTING HUMANS, solid or MEDICAL WASTE, CATEGORY A, AFFECTING ANIMALS only, solid.
• There are the usual raft of changes to entries in the DGL. These include the following general changes:
  • All explosive articles with packing instruction P130 now have LP101 as well
  • SP392 has been added to column 6 for several compressed gas entries, e.g. UN 1066
  • TP 35/37/38/39 – these were dependant on dates that have now expired so have been removed from column 15 for several entries
  • SP76 saying transport is prohibited except with competent authority approval is deleted. Some of the UN Numbers previously allocated to it have been given stowage categories, SW and H codes and can be sent without special approval. Others have been given SP976 which says something similar to the former SP76
• There are amendments to several Special Provisions and SP951 has been deleted and there are seven new provisions.
• SP274 now says that the technical name cannot be the PSN of any UN Number, except that for 3077 and 3082 only, it may be one that does not include N.O.S. and does not itself have SP274, A valid example is UN 3082 ENVIRONMENTALLY HAZARDOUS SUBSTANCE, LIQUID, N.O.S. (paint)
• There have been several updates to existing packing instructions and a few new packing instructions added: P622, P801, LP622. P801, applying to batteries of UN 2794, 2795 and 3028 has been replaced
• The dimensions of the lithium battery mark have been slight reduced and can now be square in shape
• The requirement to include flashpoint on the dangerous goods transport document is revised to specifically reference both primary and subsidiary hazards
• There is a new requirement to note on the transport document when lithium cells or batteries are offered for transport under special provision 376 or special provision 377, with the wording "DAMAGED/DEFECTIVE", "LITHIUM BATTERIES FOR DISPOSAL" or "LITHIUM BATTERIES FOR RECYCLING
• There is a new 5.5.4 added for "Dangerous goods contained in equipment in use or intended for use during carriage, attached to or placed in packages, overpacks, containers or load compartments". Here it confirms that dangerous goods (e.g. lithium batteries, fuel cell cartridges) contained in equipment such as data loggers and cargo tracking devices, attached to or placed in packages, overpacks, containers or load compartments are not subject to the IMDG Code provided a range of conditions being met.

• T75 tanks for refrigerated liquefied gases need to be marked END OF HOLDING TIME dd/mm/yyyy (DD/MM/YYYY) so it is actually a date rather than a time.
• Part 6 has several minor changes to some of the Chapters
• The stowage provisions included in 7.1.4.2 applicable to marine pollutants have now also been applied to infectious substances of UN 2814, 2900 and 3549
• SW22 now applies to waste gas cartridges as well as waste aerosols, so there is a change of stowage category for WASTE. The change of stowage category for maximum 1 L or above 1 L still applies only to aerosols.
• There is a new ‘H5’ handling code applicable to class 6.2 infectious substances
• SG27, SG28 and SG34 applying to some explosives now say ‘separated from’ instead of ‘away from’
• SG53 is revised and changes from ‘separated from’ liquid organic substances to ‘Shall not be stowed together with combustible material in the same cargo transport unit’, so it also covers solids and inorganics, and it no longer requires segregation between CTUs.
• The Emergency Response Schedules have been updated to the latest Amdt40 changes. This includes updating the spillage schedule ‘S-S’ for radioactive material. The Index to these schedules is updated to reflect recent changes, primarily concerning corrections to replace spillage provisions with underlined equivalents to take into account the special cases that apply to marine pollutants, and adding several entries to take into account distinctions in provision of emergency schedules as per packing groups.