× 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 I/12B: Clarification of terms and definitions: Controlled substances produced Type du document Décision Numéro de référence I/12B Date Mai 2, 1989 SourceUNEP, InforMEA Statut active Sujet Air et atmosphère, Déchets et substances dangereuses Traité Protocole de Montréal relatif à des substances qui appauvrissent la couche d’ozone (Sep 16, 1987) Réunion Site web ozone.unep.org Résumé The First Meeting of the Parties decided in Dec. I/12B: to agree to the following clarification on the definition of “controlled substances produced” in Article 1, paragraph 5: "Controlled substances produced" as used in Article 1, paragraph 5 is the calculated level of controlled substances manufactured by a Party. This excludes the calculated level of controlled substances entirely used as a feedstock in the manufacture of other chemicals. Excluded also from the term "controlled substances produced" is the calculated level of controlled substances derived from used controlled substances through recycling or recovery processes; each Party should establish accounting procedures to implement this definition.