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)

Fact Sheet: Protection of Stratospheric Ozone: New Listings for the Significant New Alternatives Policy Program in Refrigeration & Air Conditioning and Fire Protection Sectors

Under section 612 of the Clean Air Act, EPA reviews substitutes in a comparative risk framework. To list new substitutes as acceptable, the Agency performs screening analysis of risks to human health and the environment from the use of various substitutes in different industrial and consumer uses that historically used ozone depleting substances.

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