Definition hydrofluorocarbon [ IATE:1485219 ] with five carbon atoms and ten fluorine atoms Reference COM-EN, based on:- U.S. Environmental Protection Agency > Ozone Layer Protection > Numbering Scheme for Ozone-Depleting Substances and their Substitutes, http://www.epa.gov/ozone/geninfo/numbers.html [20.11.2012] &- Proposal for a Regulation on fluorinated greenhouse gases /* COM/2012/0643 final - 2012/0305 (COD) */ CELEX:52012PC0643