With the exception of R22 the use of these chemicals is not allowed any more in industrialised countries. In the Euro- pean Union, however, there is a current early phase-out for R22 as well which shall be realised step by step (see page 8 for explanations). The main reason for this early ban of R22 contrary to the international agreement is the ozone depletion potential although it is only small. Since 2010, phase-out regulations got effective in other countries as well, in the USA for instance
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