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Briefing notes
Calculation of control levels for production, consumption and baseline values of hydrofluorocarbons

This briefing note outlines the steps that will be used by the Secretariat in calculating the control levels for production, consumption and baseline values of hydrofluorocarbons (HFCs). The calculations will be based on the relevant definitions and provisions of the Montreal Protocol as adjusted and amended, including by the Kigali Amendment and taking into account the various decisions related to data reporting.

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Briefing notes
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Briefing notes
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On 15 October 2016, in Kigali, the parties to the Mon- treal Protocol on Substances that Deplete the Ozone Layer (the Montreal Protocol) reached agreement at their 28th Meeting to phase down consumption and production of hydrofluorocarbons (HFCs). They adopted an amendment (the Kigali Amendment) in Decision XXVIII/1. This briefing note has been prepared by the Secretar- iat of the Montreal Protocol to help Parties to the Pro- tocol prepare for ratification, acceptance, or approval of the Kigali Amendment.

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Briefing notes
Briefing notes
Baselines: Past practices and current challenges

The purpose of this briefing note is to provide background information about the following areas:

  • The baselines agreed under the Montreal Protocol to date for CFCs, carbon tetrachloride, HCFCs and methyl bromide, as examples, in both non-Article 5 and Article 5 parties;
  • The time lag between the year in which a decision was taken and the years of the baseline and initial control measures;
  • The baselines that have been put forward in the HFC amendment proposals.
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Disclaimer to scientific articles

"The views of the authors presented in the scientific papers are their own. They do not represent the views or policy of the Ozone Secretariat or the Parties to the Vienna Convention and the Montreal Protocol. No official endorsement should be inferred. The Ozone Secretariat does not make any warranty or representation, either express or implied, with respect to the accuracy of the information contained therein and it does not assume any liability of any kind resulting from the use or reliance upon any information contained in those papers including links to websites".