Definition(s)
Annex IV
Annex IV – the revised Annex IV of the International Convention for the Prevention of Pollution from Ships (MARPOL 73/78) as amended by resolution MEPC.115(51).
Source: Resolution MEPC.159(55), Revised Guidelines on Implementation of Effluent Standards and Performance Tests for Sewage Treatment Plants, 13 October 2006, International Maritime Organization Regulatory Guidance