Criteria | Related elements | Related Annex of the MARPOL Convention | Possible means of verification |
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Use of alternative fuels and other energy sources during voyage to port of call or at berth (e.g. shore side electricity, wind, solar) | Ship design, technology and operation | Annex I | Green Award, bunker delivery notes, oil record book, class or statutory certification, Ship Energy Efficiency Management Plan (SEEMP). |
Use of a White Box System < 5ppm (to control and monitor the bilge water discharge from the vessel) | Technology and operation | Annex I | Class certificate, type approval documentation |
Oily water separator (OWS) < 5 ppm | Technology and operation | Annex I | Class certificate, type approval documentation, Green Award, Clean Shipping Index (CSI), Green Marine, Blue Angel |
OWS < 5 ppm + alarm system and automatic stop for ships < 10000 GT | Technology and operation | Annex I | Class certificate, type approval documentation, Green Award, CSI, Green Marine, Blue Angel |
Ship does not use oil filtering equipment for discharges, but segregates all bilge water and sludge and subsequently discharges them to port reception facilities | Operation | Annex I | Oil record book, waste receipts |
Sewage treatment system in compliance with International Maritime Organisation Resolution MEPC.227(64) for all vessels, except for passenger ships when operating in Special Areas covered by Annex IV to the MARPOL Convention | Technology, operation and management | Annex IV | EU declaration of conformity in accordance with Directive 2014/90/EU of the European Parliament and of the Council or class certificate. In addition, regular in use verification by independent verifier. |
Ship does not discharge any sewage into the sea and delivers all of its untreated and/or treated sewage and/or sewage sludge to port reception facilities | Operation | Annex IV | Waste receipts |
On-board reuse and recycling | Operation and management | Annex V | ISO 21070, Green Marine, ISO 14001 Environmental Management System. |