An official website of the United States government.

We've made some changes to If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Significant New Alternatives Policy (SNAP)

Timeline of Actions on HFCs

The Kigali amendment to phase down HFCs was the result of years of negotiation by parties to the Montreal Protocol, with numerous HFC amendment proposals Exit submitted by North America (United States, Canada, and Mexico), Island States (the Federated States of Micronesia and Mauritius), India, and the European Union (28 Member States).

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.