Cleaning agents or additives contained in deck and external surfaces wash water may be discharged into the sea within a special area while the ship is en route, but only if these substances are not harmful to the marine environment, taking into account the IMO 2012 Guidelines for the Implementation of MARPOL Annex V.
What are the rules in the revised MARPOL Annex V relating to cleaning agents or additives contained in cargo hold, deck and external surfaces wash water?
