Regulation 15 Discharges outside special areas Any discharge into the sea of oil or oily mixtures from ships of 400 gross tonnage and above shall be prohibited except when all the following conditions are satisfied:.1 the ship is proceeding en route;.2 the oily mixture is processed through an oil filtering equipment meeting the requirements of regulation 14 (Oil filtering equipment) of Annex 1;.3 the oil content of the effluent without dilution does not exceed 15 parts per million;.4 the oily mixture does not originate from cargo pump room bilges on oil tankers; … [Read more...]