RT null T1 OzonAction Kigali Fact Sheet 15: Substances Not Controlled Under the Montreal Protocol A1 United Nations Environment Programme, K1 ozone K1 ozone-depleting substance K1 ozone layer K1 refrigeration K1 hydrofluorocarbon K1 hydrochlorofluorocarbon K1 chlorofluorocarbon K1 methyl bromide YR 2018 FD 2018-04 LK https://wedocs.unep.org/handle/20.500.11822/26649 UL https://wedocs.unep.org/handle/20.500.11822/26649 NO This Fact Sheet provides details of which substances are controlled under the Montreal Protocol and gives examples of related substances that are not included in these controls. DS UN Environment Document Repository RD Sep 23, 2026