art_12__para
Council Directive 78/659/EEC of 18 July 1978 on the quality of fresh waters needing protection or improvement in order to support fish life · European Union
Such amendments as are necessary for adapting to technical and scientific progress: - the G values for the parameters, and
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Source: EUR-Lex (Cellar) · retrieved 2026-10-13 · Text as adopted (Official Journal); later amendments are not incorporated in this text.