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Chlorofluorocarbons are hydrocarbons that contain one or two carbon atoms, where the hydrogen atoms have been replaced by chlorine and/or fluorine. 

This group includes chlorofluorocarbons (CFCs) where all the hydrogen atoms have been replaced by chlorine and fluorine, as well as hydrochlorofluorocarbons (HCFCs) and hydrofluorocarbons (HCFs), where some hydrogen atoms remain.

Chlorofluorocarbons are principally used as refrigerants in refrigeration plants, see brief statistics. The Swedish Environmental Protection Agency has a regulation on the use of chlorofluorocarbons and other substances in refrigeration and heat-pump facilities (SNFS 92:16).

CFCs and HCFCs contribute to the depletion of the ozone layer, and their use has therefore be restricted in various ways, including international agreements, see the Montreal Protocol. CFCs are already banned in Sweden, and HCFCs are due to be phased out by 2030 (SFS 1988:716 ). HCFs do not break down the ozone layer but are instead greenhouse gases and are used as substitutes for CFCs and HCFCs. In the future, the use of HCFs will also be restricted.

One of the 15 national environmental quality objectives is A Protective Ozone Layer. The interim target states that by 2010, emissions of ozone-depleting substances will virtually have ceased (link to the environmental quality objective A Protective Ozone Layer).

Further information

Swedish Environmental Protection Agency

Montreal Protocol

Ordinance SFS 1988:716 on CFCs and halons etc.

Notice with regulations on refrigeration and heat-pump facilities containing CFCs, HCFCCs and HFCs ('Refrigerants Notice'), SNFS 92:16.