Decisions of the 21st meeting of the parties to the Montreal Protocol on Substances that Deplete the Ozone Layer, 8 November 2009 (Port Ghalib, Egypt) Corporate author The Parties to the Montreal Protocol on Substances that Deplete the Ozone Layer Date 2010 Source IUCN (ID: MON-084911) Publisher | Place of publication Oceana Publications | New York, NY, USA Pages 24 p. Document type Soft law - Decision/resolution Language English Field of application International Subject Air & atmosphere Keyword Ozone layer Emissions