× 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. Annex IV: Suggested substances for monitoring and declaration when using destruction technologies Document type Decision Reference number - Date Nov 14, 2003 SourceUNEP, InforMEA Status Active Subject Waste & hazardous substances, Air & atmosphere Treaty Montreal Protocol on Substances that Deplete the Ozone Layer (Sep 16, 1987) Meeting Fifteenth Meeting of the Parties Website ozone.unep.org Abstract Substances Units PCDDs/PCDFs ng-ITEQ*/Nm3** HCl/Cl2 mg/Nm3 HF mg/Nm3 HBr/Br2 mg/Nm3 Particulates (TSP***) mg/Nm3 CO mg/Nm3 * ITEQ – international toxic equivalency. ** Normal cubic metre. *** TSP – total suspended particles.