December 2021

OE-3 2021-06: Hydrofluorocarbon Phasedown

This Operating Experience Level 3 (OE-3) document provides information about recently issued regulations that will restrict supplies of hydrofluorocarbons (HFCs).  HFCs are a class of chemicals used as refrigerants, in fire suppression systems, and in certain scientific equipment.  HFCs are greenhouse gases (GHGs) with global warming potentials (GWPs) hundreds to thousands of times higher than carbon dioxide. 

Please contact Maria Dikeakos (, 631-574-0220), Office of Analysis, for additional information regarding the Department's Corporate Operating Experience Program and the Operating Experience documents described and available on this web page.