What is Annex VI of MARPOL 73/78 (Regulations for the Prevention of Air Pollution from ships) and discharge regulations?

MARPOL Annex VI special areas:

1. Baltic sea (Sox) +24NM off California coast
2. North sea (Sox)
3. North America (Nox, Sox & PM- Particulate matter)
4. United states Caribbean sea (Nox, Sox & PM) Ist Jan, 2014.

Special area for SO_X    emission   are :-

1. Baltic sea
2. North sea
3. North America
4. United states Caribbean sea

Special area for NO_X    emission   are :-

1. North America
2. United states Caribbean sea

 Applicability of annex VI

 Every ship of 400 GT and above

• every fixed & floating drilling rigs and
• other platform are under applicability of annex VI.

Surveys

1. Initial Survey
2. Renewal Survey.
3. Intermediate survey
4. Annual Survey
5. Additional Survey

Air pollution is caused by the ships exhausts which emits sulphur oxide (Sox) and Nitrogen Oxide (Nox).

Applicability of annex VI (details)

This regulation shall apply to-

1. Each marine diesel engine with a power output of more than 130 KW installed in a ship.
2. Each marine diesel engine with a power output of more than 130 KW that undergoes a major conversion on or after 4 Jan 2000.

 Regulations shall not apply to-

1. A marine diesel engine installed on a ship solely engaged in voyages within waters subject to the sovereignty or Jurisdiction of the state flag of which the ship is entitled to fly provided that such an engine is subjected to an alternative NOx control measure established by the administration.
2. A marine diesel engine installed intended to be used solely for emergencies live L/B engine.

SO_X  Emission in  SECA (Sulphur  Emission Control Area)

Inside SECA

Before 1st July, 2010: –  1.5% Sulphur content in fuel.

From 1st July, 2010- 1st Jan, 2015: –  1.0% Sulphur content in fuel

On or after 1st Jan, 2015 :-  0.1% Sulphur content in fuel.

SO_X  Emission  Outside  SECA (Sulphur  Emission Control Area)

Outside SECA

Before 1st Jan, 2010:-  4.5% Sulphur content in fuel

From, 1st Jan 2010:-  1st Jan, 2020 – 3.5% Sulphur content in fuel

On or after 1st Jan, 2020:-  0.5% Sulphur content in fuel

Remission – Use low sulphur fuel, use of scrubber, shoreside electricity & LNG Gas engine.

  NOx Emission Regulations :-

Tire	Ship Construetion date on or after	Total weighted emission limit (g/kwh) N=engine rpm
		n<130	n=130-1999	n≥ 2000
I	1st Jan, 2010	17.0	45n-(0.2)	9.8
II	1st Jan, 2011	17.4	44n-(0.23)	7.7
III	1st Jan, 2016	3.4	9n-(0.2)	2.0

Certificate issued under Annex 6:  IAPP

• International Air pollution prevention Certificate
• Valid for not more than 5 years.
• New amendments has come into force on 1st Jan, 2013.
• Ships built from 1st Jan 2013 should have EEDI (Energy Efficiency Design Index)
• Mandatory for all ships SEEMP
• (Ships Energy Efficiency Management Plan)
• IEEC (International Energy Efficiency Cert) is required for survey & certification.

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