Ozone-depleting substances (ODS) are gases which damage the ozone layer in the upper atmosphere.

They have been largely phased out throughout Europe, but can still be found in older equipment. There are also a few exceptions for certain uses.

Common uses for ODS included refrigeration and air-conditioning equipment, aerosols, solvents, foam blowing agents, firefighting fluids and high voltage switchgear.

EU-Exit: From UK Government

Fluorinated gases and ozone-depleting substances: how to do business from 1 January 2021