FOR THE PREVENTION OF POLLUTION FROM SHIPS, 1973, AS. MODIFIED BY THE. CONTROL UNDER MARPOL ANNEX VI CHAPTER 3. In the case of equipment failure, manual input should be allowed. Administration (such as a scanned copy of the original in PDF), and the original retained. The Marine Environment Protection Committee (MEPC) of IMO, at its sixty-second session in July 2011, adopted the Revised MARPOL Annex V, concerning Regulations for the prevention of pollution by garbage from ships, which enters into force on 1 January 2013.
![]() Enforcement of MARPOL Annex VI Resources
MARPOL, the International Convention for the Prevention of Pollution from Ships, is concerned with preventing marine pollution from ships. Specifically, Annex VI of MARPOL addresses air pollution from ocean-going ships. The international air pollution requirements of Annex VI establish limits on nitrogen oxides (NOx) emissions and require the use of fuel with lower sulfur content, protecting people's health and the environment by reducing ozone-producing pollution, which can cause smog and aggravate asthma. The requirements apply to vessels operating in U.S. waters as well as ships operating within 200 nautical miles of the coast of North America, also known as the North American Emission Control Area (ECA).
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MARPOL Annex VI
MARPOL was developed through the International Maritime Organization (IMO), a United Nations agency that deals with maritime safety and security, as well as the prevention of marine pollution from ships. MARPOL is the main international agreement covering all types of pollution from ships.
Air pollution from ships is specifically addressed in Annex VI of the MARPOL treaty. Annex VI includes requirements applicable to the manufacture, certification, and operation of vessels and engines, as well as fuel quality used in vessels in the waters of the United States.
Annex VI Significant Provisions
Annex VI of the MARPOL treaty is the main international treaty addressing air pollution prevention requirements from ships. It was implemented in the United States through the Act to Prevent Pollution from Ships, 33 U.S.C. §§ 1901-1905 (APPS). Annex VI requirements comprise both engine-based and fuel-based standards, and apply to U.S. flagged ships wherever located and to non-U.S. flagged ships operating in U.S. waters.
Annex VI and APPS contain oversight and enforcement provisions and violations may result in criminal and/or civil liability. More Information on Annex VI.
![]() Memorandum of Understanding between EPA and Coast Guard
On June 27, 2011 the EPA and USCG entered into a Memorandum of Understanding (MOU) to enforce Annex VI MARPOL. The Annex VI MOU provides that EPA and USCG will jointly and cooperatively enforce the provisions of Annex VI and APPS. Efforts to be conducted by USCG and EPA include inspections, investigations and enforcement actions if a violation is detected. The efforts to ensure compliance with Annex VI and APPS include oversight of marine fueling facilities, on board compliance inspections, and record reviews.
Health and Environmental Effects
Ocean going vessels emit significant pollution that not only effect populations living near ports and coastlines, but also those living hundreds of miles inland. Marine diesel engines generate significant emissions of NOx, fine particulate matter (PM2.5), and sulfur oxides (SOx) that contribute to nonattainment of the National Ambient Air Quality Standards for PM2.5 and ozone.
These engines also emit hydrocarbons (HC) , carbon monoxide (CO), and hazardous air pollutants or air toxics that are associated with adverse health effects. Emissions from these engines also cause harm to public welfare, and contribute to visibility impairment and other detrimental environmental impacts across the United States.
Large marine diesel engines are significant contributors to our national mobile source emission inventory and their contribution is expected to grow in the future. At the current rate, NOx emissions from ships are projected to more than double to 2.1 million tons a year while annual PM2.5 emissions are expected to almost triple to 170,000 tons a year by 2030.
New Procedure For Fuel Oil Non-Availability Reports (FONARS):
Effective immediately (June 28, 2019), ship owners and operators of vessels heading to ports in the United States that are unable to purchase compliant fuel oil may satisfy the MARPOL Annex VI Regulation 18.2.4 requirement to notify the competent authority of the relevant port of destination by notifying the cognizant U.S. Coast Guard Captain of the Port (COPT). Effective June 30, 2019 the U.S. Environmental Protection Agency will stop accepting Fuel Oil Non-Availability Reports and the FOND portal will be closed. Please see the U.S. Coast Guard Marine Safety Information Bulletin for additional details.
On January 16, 2015, EPA released a penalty policy for violations of the sulfur in fuel standard and related provisions for ships. This action reinforces the agency’s commitment to pursue violations of U.S. and international air pollution requirements by ships operating in the North American and U.S. Caribbean Sea Emissions Control Areas. The policy applies to violations of new international standards for sulfur emissions from ships that went into effect on Jan. 1, 2015, and violations under the previous standards. This policy is intended to deter potential violators, ensure that the EPA assesses fair and equitable penalties and allow for the swift resolution of claims arising from noncompliance. The EPA is committed to enforcing marine emission standards to help prevent dangerous air pollution from harming public health in American communities.
EPA and the Coast Guard have established the following protocols, pursuant to the MOU, for managing enforcement of Annex VI.
APPS Enforcement Case Resolutions
APPS Enforcement Case Resolutions
Additional Information
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