× Information on this section of ECOLEX comes from the InforMEA Portal which compiled information from MEA Secretariats with the support of the European Union. The accuracy of the information displayed is the responsibility of the originating data source. In case of discrepancy the information as displayed on the respective MEA website prevails. Decision XXIII/9: Additional information on alternatives to ozone‑depleting substances Document type Decision Reference number XXIII/9 Date Nov 25, 2011 SourceUNEP, InforMEA Status Active Subject Waste & hazardous substances, Air & atmosphere Treaty Montreal Protocol on Substances that Deplete the Ozone Layer (Sep 16, 1987) Meeting Twenty-Third Meeting of the Parties Website ozone.unep.org Abstract To request the Technology and Economic Assessment Panel to prepare a report in consultation with the other scientific experts, if necessary, for consideration by the Open-ended Working Group at its thirty-second meeting containing information on, among other things: The cost of alternatives to hydrochlorofluorocarbons that are technically proven, economically viable and environmentally benign; Alternatives to hydrochlorofluorocarbons that are technically proven, economically viable, environmentally benign and suitable for use in high ambient temperatures, including how such temperatures may affect efficiency or other factors; Quantities and types of alternatives already and projected to be phased in as replacements for hydrochlorofluorocarbons, disaggregated by application, both in parties operating under paragraph 1 of Article 5 of the Montreal Protocol and parties not so operating; An assessment of the technical, economic and environmental feasibility of options in consultation with scientific experts;