10.5 Oxygen-depleting cargoes and materials
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Resolutions - Assembly - IMO Resolution A.1050(27) – Revised Recommendations for Entering Enclosed Spaces Aboard Ships – (Adopted on 30 November 2011) - Annex – Revised Recommendations for Entering Enclosed Spaces Aboard Ships - 10 Hazards Related to Specific Types of Ships or Cargo - 10.5 Oxygen-depleting cargoes and materials

10.5 Oxygen-depleting cargoes and materials

 A prominent risk with such cargoes is oxygen depletion due to the inherent form of the cargo, for example, self-heating, oxidation of metals and ores or decomposition of vegetable oils, fish oils, animal fats, grain and other organic materials or their residues. The materials listed below are known to be capable of causing oxygen depletion. However, the list is not exhaustive. Oxygen depletion may also be caused by other materials of vegetable or animal origin, by flammable or spontaneously combustible materials and by materials with a high metal content, including, but not limited to:

  • .1 grain, grain products and residues from grain processing (such as bran, crushed grain, crushed malt or meal), hops, malt husks and spent malt;

  • .2 oilseeds as well as products and residues from oilseeds (such as seed expellers, seed cake, oil cake and meal);

  • .3 copra;

  • .4 wood in such forms as packaged timber, round wood, logs, pulpwood, props (pit props and other propwood), woodchips, woodshavings, wood pellets and sawdust;

  • .5 jute, hemp, flax, sisal, kapok, cotton and other vegetable fibres (such as esparto grass/Spanish grass, hay, straw, bhusa), empty bags, cotton waste, animal fibres, animal and vegetable fabric, wool waste and rags;

  • .6 fish, fishmeal and fishscrap;

  • .7 guano;

  • .8 sulphidic ores and ore concentrates;

  • .9 charcoal, coal, lignite and coal products;

  • .10 direct reduced iron (DRI);

  • .11 dry ice;

  • .12 metal wastes and chips, iron swarf, steel and other turnings, borings, drillings, shavings, filings and cuttings; and

  • .13 scrap metal.

Parent topic: 10 Hazards Related to Specific Types of Ships or Cargo
Copyright 2022 Clasifications Register Group Limited, International Maritime Organization, International Labour Organization or Maritime and Coastguard Agency. All rights reserved. Clasifications Register Group Limited, its affiliates and subsidiaries and their respective officers, employees or agents are, individually and collectively, referred to in this clause as 'Clasifications Register'. Clasifications Register assumes no responsibility and shall not be liable to any person for any loss, damage or expense caused by reliance on the information or advice in this document or howsoever provided, unless that person has signed a contract with the relevant Clasifications Register entity for the provision of this information or advice and in that case any responsibility or liability is exclusively on the terms and conditions set out in that contract.