preamble_20
Council Directive 96/62/EC of 27 September 1996 on ambient air quality assessment and management · European Union
Whereas, because these actions require time to be implemented and become effective, temporary margins of tolerance of the limit value may need to be set;
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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.