× 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 XI/19: Assessment of new substances Document type Decision Reference number XI/19 Date Nov 29, 1999 SourceUNEP, InforMEA Status Active Subject Waste & hazardous substances, Air & atmosphere Treaty Montreal Protocol on Substances that Deplete the Ozone Layer (Sep 16, 1987) Meeting Website ozone.unep.org Abstract The Eleventh Meeting of the Parties decided in Dec. XI/19: To recall that decision X/8 requested Parties that, should new substances be developed and marketed which, following application of decision IX/24, are agreed by the Parties to pose a significant threat to the ozone layer, appropriate steps are taken under the Montreal Protocol to ensure their control and phase-out; To note that many new chemicals are brought into the market by the chemical industry so that criteria for assessing the potential ODP of these chemicals will be useful; To request the Scientific Assessment Panel and the Technology and Economic Assessment Panel: To develop criteria to assess the potential ODP of new chemicals; To develop a guidance paper on mechanisms to facilitate public-private sector cooperation in the evaluation of the potential ODP of new chemicals in a manner that satisfies the criteria to be set by the Panels; To request the Panels to report back to the Thirteenth Meeting of the Parties.