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.
5.4 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.