× 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. Waste containing nanomaterials Document type Decision Reference number OEWG-15/12 Date Jun 23, 2026 SourceUNEP, InforMEA Status Active Subject Waste & hazardous substances Treaty Basel Convention on the Control of Transboundary Movements of Hazardous Wastes and their Disposal (Apr 5, 1989) Meeting Fifteenth meeting of the Open-ended Working Group of the Basel Convention Website www.informea.org Full text download.aspx Abstract The Open-ended Working Group 1. Takes note of the information provided by Parties and observers concerning activities aimed at addressing issues related to waste containing nanomaterials; 2. Invites Parties and observers to make available to the Secretariat, by 31 December 2026, any new information related to activities aimed at addressing issues related to waste containing nanomaterials, including case studies and best practices relating to the management of such waste;