What are regulations regarding disposal of garbage as per MARPOL ?

As per MARPOL, regulations  4

• Disposal of any materials regulated by this Annex is prohibited from fixed or floating platforms and from all ships within 500m of such platforms
• Disposal of food waste that has been through a comminuter is permitted from fixed and floating platforms and all ships within 500m of these platforms, provided it is located more than 12 nautical miles from land.

Prohibited:

• The disposal into the sea of all plastics
• Dunnage, lining and floating packing materials if distance from nearest land is less than 25 nautical miles
• Food wastes and all other garbage is distance from nearest land is less than 12 nautical miles
• Disposal of waste that has been through a comminuter if distance is less than 3 nautical miles.

• Disposal of all plastics, paper products, rags, glass, metal, bottles, crockery, dunnage, lining and packing materials are prohibited in:
  • The Mediterranean Sea
  • The Baltic Sea
  • The Black Sea
  • The Red Sea
  • The Suez Canal
  • The Gulfs Area
  • The North Sea Area
  • The Antarctic Area
  • The Wider Caribbean Region.