5 Definitions for the purpose of these Guidelines
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Statutory Documents - IMO Publications and Documents - Circulars - Marine Environment Protection Committee - MEPC/Circular.235 – Guidelines for Systems for Handling Oily Wastes In Machinery Spaces of Ships – (Adopted on 13 December 1990) - Appendix - Guidelines for Systems for Handling Oily Wastes In Machinery Spaces of Ships - 5 Definitions for the purpose of these Guidelines

5 Definitions for the purpose of these Guidelines

  5.1 Oily waste means oil residues (sludge) and oily bilge-water.

  5.2 Oil residue (sludge) means:

  • .1 separated sludge, which means sludge resulting from purification of fuel and lubricating oil;

  • .2 drain and leakage oil, which means oil resulting from drainages and leakages in machinery spaces; and

  • .3 exhausted oils, which means exhausted lubricating oil, hydraulic oil or other hydrocarbon-based liquid which are not suitable for use in machinery due to deterioration and contamination.

  5.3 Sludge tanks mean:

  • .1 tanks for separated sludge;

  • .2 drain and leakage oil tanks; and

  • .3 exhausted oil tanks.

  5.4 Bilge-water holding tanks mean tanks for oily bilge-water.

  5.5 Regulations referred to in these Guidelines are those contained in Annex I of MARPOL 73/78.

  5.6 Oil sludge incinerators are systems serving for incineration of oil sludge generated on board seagoing ships.

  • Sludge incinerators could be:

    • main and auxiliary steam boilers with appropriate oil sludge processing systems;
    • heaters of thermal fluid systems with appropriate oil sludge processing systems;
    • incinerators with appropriate oil sludge processing systems designed for sludge incineration; or
    • inert gas systems with appropriate oil sludge processing systems.

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