Article 6 › 2
Council Directive 91/676/EEC of 12 December 1991 concerning the protection of waters against pollution caused by nitrates from agricultural sources · European Union
The reference methods of measurement set out in Annex IV shall be used.
Source: EUR-Lex (Cellar) · retrieved 2026-09-25 · Text as consolidated on 2026-03-02; changes after this date are not shown.