Hazardous Materials Management: The Latest Guidelines and What They Mean for Shipowners

The management of hazardous materials has become an essential part of modern maritime compliance. With increasing regulatory focus on environmental protection and vessel lifecycle transparency, shipowners are expected to maintain accurate and traceable records of hazardous materials onboard.

At the centre of these requirements is the Inventory of Hazardous Materials (IHM) - a structured document identifying and tracking materials present on a vessel throughout its operational life.

As regulatory expectations continue to evolve, proper hazardous materials management is no longer a one-time exercise, but an ongoing process requiring accuracy, consistency, and regular updates.

Mandatory Documentation

Compliance with hazardous materials regulations requires maintaining clear and structured documentation. The IHM is the core element and is typically divided into:

• Part I - materials contained in the vessel’s structure and equipment;
• Part II - operationally generated wastes;
• Part III - stores and consumables.

Shipowners are responsible for ensuring that:

• documentation is complete and up to date;
• materials are properly identified and recorded;
• changes to equipment or structure are reflected in the IHM;
• documentation is readily available for inspections.

Accurate documentation supports both regulatory compliance and operational transparency.

Changes Coming into Effect in 2026

Recent regulatory developments continue to reinforce the importance of consistent hazardous materials management across fleets.

The focus remains on:

• maintaining continuously updated IHM documentation;
• ensuring alignment with international regulations such as the Hong Kong Convention and EU Ship Recycling Regulation;
• improving traceability of materials throughout the vessel lifecycle;
• strengthening inspection practices related to documentation accuracy.

While the core requirements remain stable, the emphasis on proper implementation and ongoing maintenance continues to increase.

Common Mistakes in IHM Inspections

In practice, inspection findings often relate not to the absence of documentation, but to inconsistencies within it.

Common issues include:

• outdated IHM records following equipment changes;
• incomplete material declarations;
• lack of supporting documentation for identified materials;
• inconsistencies between onboard conditions and documented records;
• insufficient coordination between technical management and documentation updates.

Even minor discrepancies may lead to additional inspection remarks or follow-up requirements.

Shipping.fo Support in Preparing Accurate Documentation

At Shipping.fo, hazardous materials management is approached as a structured documentation process aligned with regulatory expectations.

Support typically includes:

• coordination of IHM preparation and updates;
• verification of documentation consistency;
• guidance on maintaining traceable and structured records;
• support in preparing for inspections.

Accurate and well-maintained documentation reduces compliance risk, supports smoother inspections, and ensures that vessels remain aligned with current regulatory frameworks.

As environmental and regulatory standards continue to develop, structured hazardous materials management remains a critical component of responsible and compliant fleet operations.