MARPOL Overview 1

 MARPOL is the primary international agreement aimed at preventing marine pollution by ships, either due to accidents or operational activities. It addresses various types of marine pollution through six main Annexes, each dealing with specific pollutants.

Annex I: Prevention of Pollution by Oil

• Focus: Prevents oil pollution from ships.
• Key Points: Sets requirements for equipment, procedures for oil discharge, and oil tankers’ construction. Ships must have oil filtering equipment and follow discharge limitations.

Annex II: Control of Pollution by Noxious Liquid Substances in Bulk

• Focus: Regulates the discharge of noxious liquid substances transported in bulk.
• Key Points: Covers the discharge and handling of hazardous chemicals, with specific requirements for different types of substances.

Annex III: Prevention of Pollution by Harmful Substances Carried by Sea in Packaged Form

• Focus: Prevents pollution from packaged harmful substances.
• Key Points: Establishes labeling, documentation, and stowage standards for dangerous goods transported in containers, drums, or other packaging.

Annex IV: Prevention of Pollution by Sewage from Ships

• Focus: Controls the discharge of sewage from ships.
• Key Points: Requires sewage treatment systems or holding tanks for ships, and limits where untreated sewage can be discharged.

Annex V: Prevention of Pollution by Garbage from Ships

• Focus: Regulates the disposal of garbage from ships.
• Key Points: Sets restrictions on what types of waste can be discharged at sea, including plastics and food waste. Ships must manage and minimize garbage onboard.

Annex VI: Prevention of Air Pollution from Ships

• Focus: Reduces air pollution from ships.
• Key Points: Addresses the emission of sulfur oxides (SOx), nitrogen oxides (NOx), and greenhouse gases. It also includes regulations on shipboard incineration and fuel standards