Defined terms — DIRECTIVE 2008/50/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 21 May 2008 on ambient air quality and cleaner air for Europe
European Union · 32008L0050 · 118 provisions
1 defined in this instrument.
ozone precursor substances — substances which contribute to the formation of ground-level ozone, some of which are listed in Annex X Article 2 — Definitions