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.

Final Rule 2020 HCFC Allocation

On December 19th, 2019 the EPA Administrator, Andrew R. Wheeler, signed a final rule titled Protection of Stratospheric Ozone: Adjustments to the Allowance System for Controlling HCFC Production and Import, 2020-2029; and Other Updates. Docket Number: EPA-HQ-OAR-2016-0271. Portions of this rule are effective immediately, while other portions will be effective 30 days after publication in the FR. This final rule implements the next step in the phaseout of hydrochlorofluorocarbons (HCFCs) under the Clean Air Act and the Montreal Protocol on Substances that Deplete the Ozone Layer. This rule also revises elements of the ozone-depleting substance phaseout program and complementary provisions.

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