What is the Inventory of Hazardous Materials, what are its three parts, and which materials does Part I list?
Short answer
| Part | Content | When |
|---|---|---|
| Part I | hazardous materials in the structure and equipment, with location and approximate quantity | at build or developed for an existing ship, maintained throughout its life |
| Part II | operationally generated wastes | compiled when preparing for recycling |
| Part III | stores | compiled when preparing for recycling |
- Requirement: Hong Kong Convention regulation 5: a ship-specific IHM, verified by the Administration or its RO, developed to MEPC.269(68) and surveyed per MEPC.197(62).
- Three parts: Part I, materials in structure and equipment with location and quantity, maintained through the ship’s life; Part II wastes and Part III stores, compiled before recycling.
- Appendix 1 (prohibited or restricted): asbestos, ozone-depleting substances, PCBs, organotin anti-fouling (TBT), PFOS.
- Appendix 2 (listed above threshold): cadmium, hexavalent chromium, lead, mercury, brominated flame retardants, radioactive substances, chlorinated paraffins.
- On my ship: asbestos in old lagging and gaskets, PCBs in old cabling, ODS refrigerants and halon, TBT hull coating, lead, mercury and cadmium in batteries, paints and instruments.
- Kept current: built from Material Declarations (MD) and Supplier’s Declarations of Conformity (SDoC); every renewal that adds or removes a listed material updates Part I.
- As Chief Engineer: the machinery-space entries are mine (India: Recycling of Ships Act 2019, DGMA; EU Ship Recycling Regulation in parallel).
Full answer
The full answer explains each point step by step, with the regulations and figures behind it and the discussion from other candidates. It is in the MEO Class I section of the Marine One forum, open to members enrolled for the MEO Class I exam.