It provides for subsequent agreement on detailed emission limits for specific air pol
lutants and in 1999 Member States fixed limit values for the pollutants sulphur dioxide, nitrogen dioxide, nitrogen oxides, particulates and lead . As regards these pollutants, Member
States are required, under the Framework Directive, to send to the Commission specified information and reports within specified periods. In particular, t
he information that must be communicated includes data about pollution leve
...[+++]ls exceeding the agreed limit values plus the margin of tolerance, the dates or periods when such levels were observed and why they occurred. Member States must also notify the Commission about the annual list of zones and agglomerations affected by air pollution.Les informations à fournir incluent notamment des données sur les niveaux de pollution dépassant les valeurs limites fixées plus la marge de tolérance, les dates ou les périodes où ces niveaux ont été constatés, et les causes de ces dépassements. Les États membres doivent communiquer à la Commission la liste annuelle des zones et agglomérations touchées par la pollution atmosphérique.