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77/795/EEC: Council Decision of 12 December 1977 establishing a common procedure for the exchange of information on the quality of surface fresh water in the Community · European Union

The Commission shall make such amendments when it is satisfied that the following requirements are met: - that the list of sampling or measuring stations for each Member State is sufficiently representative for the purposes of this Decision, that the stations are at points which are representative of water conditions in the area around and not directly and immediately influenced by a source of pollution, that they are capable of measuring at regular intervals the parameters in Annex II, that they are as a general rule not more than 100 kilometres apart on main rivers, not including tributaries, that they are upstream of any confluences and not on tidal stretches of water.

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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.