We’ve made some changes to EPA.gov. 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.

Commercial Refrigeration Retrofits - Prioritizing Leak Tightness

Because substitute refrigerants for HCFC-22 are potent greenhouse gases, it is important that food retailers use the retrofitting process as an opportunity to tighten system leaks.

You may need Adobe Reader to view files on this page. See EPA’s About PDF page to learn more.