Meeting information clear Symbol Document title Documents World Production and Release of Chloroflurocarbons 11 and 12 through 1981 en en UNEP/CCOL/6/3/Add.1 Recent Research Results and Ongoing and Planned Activities Relevant to the World Plan of Action on the Ozone Layer en en UNEP/CCOL/6/4 A Special Paper on the Possible Contents of Annexes and/or Protocol to the Draft Convention for the Protection of the Ozone Layer en en UNEP/CCOL/6/4/Add.1 A Special Paper on the Possible Contents of Annexes and/or Protocol to the Draft Convention for the Protection of the Ozone Layer en en UNEP/CCOL/6/4/Add.2 A Special Paper on the Possible Contents of Annexes and/or Protocol to the Draft Convention for the Protection of the Ozone Layer en en UNEP/CCOL/6/4/Add.3 A Special Paper on the Possible Contents of Annexes and/or Protocol to the Draft Convention for the Protection of the Ozone Layer en en UNEP/CCOL/6/4/Add.3 Assessment of Ozone Depletion and its Impact Revised Text for Effects en en UNEP/CCOL/6 Report of the Sixth Session en en UNEP/CCOL/6/Background4 1981 World Production and Sales of Fluorocarbons FC11 and FC12 en en clear