MARPOL Related Deficiencies to the 15-ppm Bilge Alarm System The Merchant Shipping Directorate would like to bring to the attention of shipowners, ship operators, managers, masters owners’ representatives and recognised organisation that it has been noted that during recent port State control inspections in US ports, MARPOL related deficiencies have been raised to the 15-ppm bilge alarm system, specifically related to entries made in the vessels‟ Oil Record Books (ORBs) not corresponding to the data being displayed by the 15-ppm bilge alarm/oil content meter. To read the complete Merchant Shipping Notice 155, click here. Should you have any questions concerning this matter, please contact Dr Jotham Scerri-Diacono or any other member of the shipping team at Ganado Advocates. Go back