(1)

‘ambient air’ means outdoor air in the troposphere, excluding workplaces as defined in Article 2 of Council Directive 89/654/EEC (19) where provisions concerning health and safety at work apply and to which members of the public do not have regular access;

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Source: EUR-Lex (Cellar) · retrieved 2026-10-16 · Text as adopted (Official Journal); later amendments are not incorporated in this text.