Building On Phasedown, EPA Plans To Slash ‘Byproduct’ HFC-23 Releases

EPA is proposing to virtually eliminate releases of the climate-warming coolant known as HFC-23 produced as a byproduct of making other refrigerants, part of a much larger push to sharply phase down production of hydrofluorocarbons (HFCs) following a congressional directive last year. In a proposed rule published in the Sept. 29 Federal Register , EPA says it is “proposing to require companies to control, capture, and destroy HFC-23 byproduct generated at plants that manufacture class II ozone-depleting substances regulated under...