UNITED NATIONS ENVIRONMENT PROGRAMME
OZONE SECRETARIAT

MEETINGS & DOCS

ASSESSMENT PANELS

The Montreal Protocol on Substances that Deplete the Ozone Layer

Annex B: Controlled substances

Group	Substance	Ozone-Depleting Potential
Group I
CF₃Cl	(CFC‑13)	1.0
C₂FCl₅	(CFC‑111)	1.0
C₂F₂Cl₄	(CFC‑112)	1.0
C₃FCl₇	(CFC‑211)	1.0
C₃F₂Cl₆	(CFC‑212)	1.0
C₃F₃Cl₅	(CFC‑213)	1.0
C₃F₄Cl₄	(CFC‑214)	1.0
C₃F₅Cl₃	(CFC‑215)	1.0
C₃F₆Cl₂	(CFC‑216)	1.0
C₃F₇Cl	(CFC‑217)	1.0

Group II
CCl₄	carbon tetrachloride	1.1

Group III
C₂H₃Cl₃*	1,1,1-trichloroethane* (methyl chloroform)	0.1

* This formula does not refer to 1,1,2-trichloroethane.

Handbook for the Montreal Protocol on Substances that Deplete the Ozone Layer

The Montreal Protocol on Substances that Deplete the Ozone Layer

Decisions of the Meetings of the Parties to the Montreal Protocol

Relevant Annexes to the Decisions of the Parties

Rules of Procedure

The Evolution of the Montreal Protocol

Handbook for the Vienna Convention for the Protection of the Ozone Layer

The Vienna Convention for the Protection of the Ozone Layer

Decisions of the Conferences of the Parties to the Vienna Convention

Rules of Procedure

The Montreal Protocol on Substances that Deplete the Ozone Layer

Article 1: Definitions

Article 2: Control Measures

Article 2A: CFCs

Article 2B: Halons

Article 2C: Other fully halogenated CFCs

Article 2D: Carbon tetrachloride

Article 2E: 1,1,1-Trichloroethane (Methyl chloroform)

Article 2F: Hydrochlorofluorocarbons

Article 2G: Hydrobromofluorocarbons

Article 2H: Methyl bromide

Article 2I: Bromochloromethane

Article 3: Calculation of control levels

Article 4: Control of trade with non-Parties

Article 4A: Control of trade with Parties

Article 4B: Licensing

Article 5: Special situation of developing countries

Article 6: Assessment and review of control measures

Article 7: Reporting of data

Article 8: Non-compliance

Article 9: Research, development, public awareness and exchange of information

Article 10: Financial mechanism

Article 10A: Transfer of technology

Article 11: Meetings of the parties

Article 12: Secretariat

Article 13: Financial provisions

Article 14: Relationship of this Protocol to the Convention

Article 15: Signature

Article 16: Entry into force

Article 17: Parties joining after entry into force

Article 18: Reservations

Article 19: Withdrawal

Article 20: Authentic texts

Annex A: Controlled substances

Annex B: Controlled substances

Annex C: Controlled substances

Annex D:* A list of products** containing controlled substances specified in Annex A

Annex E: Controlled substance

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The 1987 Montreal Protocol on Substances that Deplete the Ozone Layer

Article 1: Definitions

Article 2: Control Measures

Article 3: Calculation of control levels

Article 4: Control of trade with non-Parties

Article 5: Special situation of developing countries

Article 6: Assessment and review of control measures

Article 7: Reporting of data

Article 8: Non-compliance

Article 9: Research, development, public awareness and exchange of information

Article 10: Technical assistance

Article 11: Meetings of the parties

Article 12: Secretariat

Article 13: Financial provisions

Article 14: Relationship of this Protocol to the Convention

Article 15: Signature

Article 16: Entry into force

Article 17: Parties joining after entry into force

Article 18: Reservations

Article 19: Withdrawal

Article 20: Authentic texts

Annex A: Controlled substances

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Adjustments to the Montreal Protocol

Adjustments agreed in 1990 in London at the Second Meeting of the Parties

Adjustments agreed in 1992 in Copenhagen at the Fourth Meeting of the Parties

Adjustments agreed in 1995 in Vienna at the Seventh Meeting of the Parties

Adjustments agreed in 1997 in Montreal at the Ninth Meeting of the Parties

Adjustments agreed in 1999 in Beijing at the Eleventh Meeting of the Parties

Adjustments agreed in 2007 in Montreal at the Nineteenth Meeting of the Parties

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Amendments

The London Amendment (1990): The amendment to the Montreal Protocol agreed by the Second Meeting of the Parties (London, 27�29 June 1990)

The Copenhagen Amendment (1992): The amendment to the Montreal Protocol agreed by the Fourth Meeting of the Parties (Copenhagen, 23�25 November 1992)

The Montreal Amendment (1997): The amendment to the Montreal Protocol agreed by the Ninth Meeting of the Parties (Montreal, 15�17 September 1997)

The Beijing Amendment (1999): The amendment to the Montreal Protocol agreed by the Eleventh Meeting of the Parties (Beijing, 29 November - 3 December 1999)

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The Vienna Convention for the Protection of the Ozone Layer

Article 1: Definitions

Article 2: General obligations

Article 3: Research and systematic observations

Article 4: Co-operation in the legal, scientific and technical fields

Article 5: Transmission of information

Article 6: Conference of the Parties

Article 7: Secretariat

Article 8: Adoption of protocols

Article 9: Amendment of the Convention or protocols

Article 10: Adoption and amendment of annexes

Article 11: Settlement of disputes

Article 12: Signature

Article 13: Ratification, acceptance or approval

Article 14: Accession

Article 15: Right to vote

Article 16: Relationship between the Convention and its protocols

Article 17: Entry into force

Article 18: Reservations

Article 19: Withdrawal

Article 20: Depositary

Article 21: Authentic texts

Annex I: Research and systematic observations

Annex II: Information exchange

Declarations made at the time of adoption of the Final Act of the Conference of Plenipotentiaries on the Protection of the Ozone Layer

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