A/RES/51/189 Page 4 (c) Heavy metals - the United Nations Environment Programme in cooperation with the Inter-organization Programme for the Sound Management of Chemicals; (d) Radioactive substances - the International Atomic Energy Agency; (e) Nutrients and sediment mobilization - the Food and Agriculture Organization of the United Nations; (f) Oils (hydrocarbons) and litter - the International Maritime Organization; (g) Physical alterations, including habitat modification and destruction of areas of concern - the United Nations Environment Programme; 10. Decides to determine, at its special session to be held in June 1997 in accordance with its resolution 50/113 of 20 December 1995, specific arrangements for integrating the outcomes of periodic intergovernmental reviews, as envisaged in paragraph 7 (c) above, in the future work of the Commission on Sustainable Development related to the monitoring of the implementation of and follow-up to Agenda 21, in particular chapter 17. 86th plenary meeting 16 December 1996