What is the HCFC-22 PHASEOUT? Under the U.S. Clean Air Act and the Montreal Protocol on Substances that Deplete the Ozone Layer, the United States is phasing out the production and import of hydrochlorofluorocarbons (HCFCs) to protect the stratospheric ozone layer. The benefit of eliminating the production of ozone-depleting substances will reduce the risk of[…]