| Certain refrigerant, briefly |
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| Chlorofluorocarbon; Chelsea (3) |
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| Ozone layer pollutant |
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| Chlorofluorocarbon, abbr. |
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| Ozone layer pollutant: abbr. (1,1,1) |
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| Greenhouse gas (abbr.) (3) |
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| Threat to the ozone layer (3) |
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| Aerosol pollutant, for short |
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| Banned aerosol gas (1,1,1) |
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| Banned refrigerant, for short |
LA Times Daily |
13 Aug 2023 |
| In short, one type of compound which is being phased out under the Montreal Protocol |
The Times Specialist Sunday |
06 Nov 2022 |
| AC emission: Abbr. |
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| Ozone-depleting chemical, for short |
LA Times Daily |
16 Aug 2022 |
| Letters of a notorious ozone hazard |
Family Time |
22 May 2022 |
| Ozone-depleting letters |
Family Time |
20 Jun 2021 |
| Banned refrigerant, for short |
New York Times |
07 May 2021 |
| Ozone-depleting chemical |
The Washington Post |
02 Feb 2021 |
| Ozone-depleting chemical |
LA Times Daily |
02 Feb 2021 |
| Phased-out propellant |
The Washington Post |
16 Jan 2021 |
| Phased-out propellant |
LA Times Daily |
16 Jan 2021 |
| Banned aerosol propellant, for short |
Wall Street Journal |
09 Jan 2021 |
| Ozone destroyer: Abbr |
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| Freon initials |
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| Freon initials |
New York Times |
14 Oct 2019 |
| Ozone layer pollutant, for short |
Jonesin |
24 Sep 2019 |
| Banned aerosol propellant, for short |
New York Times |
07 Jul 2019 |
| Banned aerosol propellant, for short |
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| Ozone layer depleter, briefly |
Universal |
11 Dec 2018 |
| Ozone-depleter, briefly |
Universal |
12 Aug 2018 |
| Ozone threatener (Abbr.) |
Universal |
02 Jul 2018 |
| Ozone-depleting compound, in brief |
Premier Sunday |
27 May 2018 |
| Banned pollutant (Abbr.) |
Universal |
20 Apr 2018 |
| Banned pollutant, for short |
New York Times |
06 Apr 2018 |
| Phased-out refrigerant compound |
The Washington Post |
10 Feb 2018 |
| Phased-out refrigerant compound |
LA Times Daily |
10 Feb 2018 |
| Refrigerant initials |
Newsday |
02 Feb 2018 |
| Ozone-depleter, briefly |
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| Phased-out refrigerant compound |
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| Ozone layer depleter, briefly |
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| Banned pollutant (Abbr.) |
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| Ozone threatener (Abbr.) |
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| Banned pollutant, for short |
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| Ozone-depleting chemical (abbr.) |
Universal |
03 Jul 2017 |
| Ozone-depleting chemical (abbr.) |
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| Ozone-depleting chemical |
USA Today |
09 Feb 2016 |
| Ozone-depleting compound, for short |
Universal |
03 Jan 2016 |
| Ozone-depleting compound, for short |
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| Ozone-depleting chemical |
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| Ozone depleter, briefly |
USA Today |
29 Nov 2015 |
| Environmental hazard, for short |
Universal |
20 Sep 2015 |
| Ozone depleter, for short |
Universal |
19 Sep 2015 |
| Ozone-depleting compound, for short |
Premier Sunday |
02 Aug 2015 |
| Environmental hazard, for short |
USA Today |
20 Jul 2015 |
| Freon letters |
New York Times |
10 Jul 2015 |
| Ozone layer pollutant, for short |
Universal |
30 May 2015 |
| Ozone-threatening compound |
LA Times Daily |
29 May 2015 |
| Ozone layer pollutant, briefly |
Universal |
29 Mar 2015 |
| Ozone depleter, for short |
USA Today |
04 Jan 2015 |
| Environmental hazard, for short |
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| Ozone depleter, briefly |
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| Environmental hazard, for short |
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| Ozone layer pollutant, for short |
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| Ozone layer pollutant, briefly |
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| Ozone depleter, for short |
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| Ozone depleter, for short |
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| Ozone-depleting compound, for short |
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| Freon letters |
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| Ozone-threatening compound |
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| Ozone depleter, briefly |
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| Compound once used as aerosol propellant: Abbr. |
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| Refrigerant inits. |
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| Compound once used as aerosol propellant: Abbr. |
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| Freon, generically |
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| Ozone layer pollutant, for short |
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| Freon letters |
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| Ozone depleter, for short |
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| Ozone-threatening compound |
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| Ozone hazard, for short |
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| Ozone depleter, for short |
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| Controversial refrigerant |
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| Ozone endangerer: Abbr. |
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| Environmental hazard, for short |
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| Freon initials |
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| Maker of a certain hole: Abbr. |
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