preamble_18

Council Directive 1999/30/EC of 22 April 1999 relating to limit values for sulphur dioxide, nitrogen dioxide and oxides of nitrogen, particulate matter and lead in ambient air · European Union

(9) Whereas in order to facilitate the review of this Directive in 2003 the Commission and the Member States should consider encouraging research into the effects of the pollutants referred to herein, namely sulphur dioxide, nitrogen dioxide and oxides of nitrogen, particulate matter and lead;

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Source: EUR-Lex (Cellar) · retrieved 2026-10-12 · Text as adopted (Official Journal); later amendments are not incorporated in this text.