14. 8. 90 Official Journal of the European Communities No L 219/49 (Acts whose publication is not obligatory) COUNCIL COUNCIL DIRECTIVE of 27 July 1990 r‘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 (90/415/EEC) THE COUNCIL OF THE EUROPEAN COMMUNITIES, Having regard to the Treaty establishing the European Economic Community, and in particular Article 130s 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 Commu- nity ('), and in particular Articles 6 and 12_thereof, Having regard to the proposal from the Commission (2, Having regard to the opinion of the European Parli- ament (%), Having regard to the opinion of the Economic and Secial . 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 systern of prior authorization laying down emission standards for discharges of the substances in List T in the Annex thereto ; whereas- Article 6 of the said Directive - provides that limit values shall be- laid down for such emission standards and- 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 ;- () OJ No L 129, 18. 5. 1976, p. 23. (3 OJ No C 253, 29. 9. 1988, p. 4. () OJ No C 96, 17. 4. 1989, p. 188. (9 OJ No C 23, 30.'1, 1989, p. 4. Whereas Directive 86/280/EEC (), as amended by Direc- tive 88/347/EEC (%), will have to be amended and supple- mented, 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 oganisms and sediments, 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 Article 5 of Directive 86/280/EEC provides that, in the case of certain significant sources of pollution by these substances other than sources subject to Commu- nity limit values or national emission standards, specific programmes should be devised to eliminate the pollu- tion ; Whereas it is appropriate that. small discharges which are subject to the provisions of Article 5 of Directive 86/280/EEC may be exempted from the requirements of Article 3 of Directive 76/464/EEC; . Wheras, on the basis of the criteria laid down in Directive 76/464/EEC, 1-2-dichloroethane,  trichloroethylene, perchloroethylene and trichlorobenzene-should be made subject to the provisions of Directive 86/280/EEC, HAS ADOPTED THIS DIRECTIVE: Article 1. Annex II to Directive 86/280/EEC is hereby amended as set out in the Annex hereto. () OJ No L 181, 4. 7. 1986, p. 16. () OJ No L 158, 25. 6. 1988, p. 35.