25. 6. 88 . : Official Journal of the EBuropean Communities No L 158/35 COUNCIL DIRECTIVE of 16 June 1988 amending Annex II to Directive 86/280/EEC on limit values and quality objectives for discharges of certain dangerous substances included in List I of the Annex to Directive 76/464/EEC ] (88/347/EEC) THE COUNCIL OF THE EUROPEAN COMMUNITIES, Having regard to the Treaty establishing the European Economic Community, and. in particular Article 130 S 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 Council Directive 86/280/EEC of 12 June 1986 on limit values and quality objectives for discharges of certain dangerous substances included in List I of the Annex to Directive 76/464/EEC (3, | Having regard to the proposal from the Commission ), 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 dangerous 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 the substances; Whereas' Member States are required to apply the limit values except in cases where they may employ quality objectives ; Whereas Directive 86/280/EEC will have to be amended and supplemented, on proposals from the Commission, in line with developments in scientific knowledge relating principally to the toxicity, persistence and accumulation of the substances referred to in living organisms and sedi- ments, or in the event of an improvement in the best technical means available ; whereas it is necessary, for that purpose, to provide for additions to the said Directive, relating to measures in respect of other dangerous substances, and for amendments to the content of Annex II; Whereas, on the baSis of the criteria laid down in Directive 76/464/EEC, aldrin, dieldrin, endrin, isodrin, hexachlorobenzene, hexachlorobutadiene and chloroform should be made subject to the provisions of Directive 86/280/EEC, HAS ADOPTED THIS DIRECTIVE : Article 1 Annex II to Council Directive 86/280/EEC is amended as follows : 1. The following are added below the title : ‘4. Relating to aldrin, dieldrin, endrin and isodrin 5. Relating to hexachlorobenzene () OJ No L 129, 18. 5. 1976, p. 23. () OJ No L 181, 4. 7. 1986, p. 16. () OJ No C 146, 12. 6. 1979, p. 5, O] No C 309, 3. 12. 1986, p. 3, OJ No C 314, 26. 11. 1987, p- § and OJ No C 70, 18. 3. 1985, p. 15. , (9 OF No C 122, 9. 5. 1988 and O] No C 120, 20. 5. 1986, p. 164. . () OJ No € 232, 31. 8. 1987, p. 2, 0] No C 356, 31. 12. 1987, p. 69 and OJ No C 188, 29. 7. 1985, p..19.