ClassNK releases new IHM guidelines version

Malcolm Latarche

Malcolm Latarche · 30 October 2019


Japanese classification society ClassNK has released an updated “Guidelines for the Inventory of Hazardous Materials (Ver.4.00).

The Hong Kong International Convention for the Safe and Environmentally Sound Recycling of Ships, 2009 (HKC) was adopted in 2009. After the entry into force of the HKC, the development and maintenance of an Inventory of Hazardous Materials (IHM), which identifies the location and approximate quantities of hazardous materials onboard a ship, will be required for all ships over 500gt.

The HKC is not yet in force internationally but EU ship recycling regulations will require all existing ships sailing under the flag of EU Member States as well as ships flying the flag of a third country and calling at an EU port or anchorage to have an IHM from 31 December 2020. So far 13 countries making up 30% of the merchant fleet have acceded to the HKC which requires a minimum of 15 countries representing 40% of the world fleet to come into effect.

In light of the increasing number of signatories to HKC and the EU situation, ClassNK has revised its guidelines to include comprehensive content on the development and maintenance of IHM in line with both sets of requirements, including the validity of an existing statement of compliance. The Guidelines for the Inventory of Hazardous Materials (Ver.4.00) are available to download free of charge via ClassNK’s website for those who have registered for the ClassNK “My Page” service.

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