2.1 The requirements of Annex
I of MARPOL 73/78 relating to pollution prevention equipment for ships are set
out in regulation 14, which stipulates that ships of 400 gross tonnage and above should
be installed with approved equipment.
2.2 Regulation 14.7 stipulates that the oil content of the
effluent from 15 ppm Bilge Separators should not exceed 15 ppm. The 15 ppm Bilge Alarm
shall activate to indicate when this level cannot be maintained, and initiate automatic
stop of overboard discharge of oily mixtures where applicable.