17. 3. 84 Official Journal of the European Communities No L 74/49 (Acts whose publication is not obligatory) COUNCIL COUNCIL DIRECTIVE of 8 March 1984 on limit values and quality objectives for mercury discharges by sectors other than the chlor-alkali electrolysis industry (84/156/EEC) THE COUNCIL OF THE EUROPEAN COMMUNITIES, Having regard to the Treaty establishing the European Economic Community, and in particular Articles 100 " and 235 thereof, ' Having regard to Council Directive 76/464/EEC of 4 May 1976 on pollution caused by certain dangerous substances discharged into the aquatic environment of the Community ('), and in particular Articles 6 and 12 thereof, Having regard to the proposal from the Commis- sion (%), ' Having regard to the opinion of the European Parliament (%), Having regard to the opinion of the Economic and Social Committee (%), Whereas, in order to protect the aquatic environment of the Community against pollution by certain dange- rous substances, Article 3 of Directive 76/464/EEC introduces a system of prior authorization laying down emission standards for discharges of the substances in List I in the Annex thereto ; whereas Article 6 of the said Directive provides that limit values shall be laid down for such emission standards and also quality objectives for the aquatic environment affected by discharges of these substances ; () OJ No L 129, 18. 5. 1976, p. 23. () OJ No C 20, 25. 1. 1983, p. S. () OJ No C 10, 16. 1. 1984, p. 300. () OJ No C 286, 24. 10. 1983, p. 1. Whereas mercury and its compounds are included in List I; Whereas the Member States are required to apply the limit values except in the cases where they may employ quality objectives ; * ‘Whereas, since pollution due to the discharge of mercury into water is caused by a large number of industries, it is necessary to lay down specific limit values according to the type of industry concerned and to lay down quality objectives for the aquatic envi- ronment into which mercury is discharged by such industries ; ‘ Whereas the purpose of the quality objectives must be to eliminate mercury pollution of the various parts of the aquatic environment which might be- affected by mercury discharges ; Whereas such quality objectives must be laid down expressly for this purpose and not with the intention of establishing rules pertaining to consumer protection or to the marketing of products from the aquatic environment ; ' Whereas a specific monitoring procedure should be laid down to enable Member States to demonstrate that the quality objectives are being complied with ; Whereas provision should be made for the monitoring by Member States of the aquatic environment affected by the aforesaid mercury discharges with a view to effective implementation of this Directive ; whereas Article 6 of Directive 76/464/EEC does not provide