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Related Clues:
- Ozone-depleter, briefly
- Ozone layer depleter, briefly
- Banned aerosol propellant, for short
- Phased-out propellant
- Banned toxic compound, for short
- Pollutant banned since 1979
- Banned refrigerant, for short
- Ozone-depleting letters
- Letters of a notorious ozone hazard
- Ozone-depleting chemical, for short
- In short, one type of compound which is being phased out under the Montreal Protocol