8.7.91 Official Journal of the European Communities No L 180/1 (Acts whose publication is not obligatory) COMMISSION COMMISSION DIRECTIVE of 1 March 1991 adapting to technical progress for the twelfth time Council Directive 67/548/EEC on the approximation of the laws, regulations and administrative provisions relating to the classification, packaging and labelling of dangerous substances (91/325/EEC) | .THE COMMISSION OF THE EUROPEAN COMMUNITIES, ~ Having regard to-the Treaty establishing the European Economic Community, Having regard to Council Directive 67/548/EEC of 27 June 1967 on the approximation of laws, regulations and administrative provisions relating to the classification, packaging and labelling of dangerous substances ('), as last amended by Directive 79/831/EEC (3, and in particular Articles 19, 20 and 21 thereof, Whereas Council Directive 88/379/EEC of 7 June 1988 on the approximation of the laws, regulations and admi- nistrative provisions of the Member States relating to the classification, packaging and labelling of dangerous prepa- rations (%) stipulates, in Article 16 (3), that on the date that that Directive enters into force, Council Directive 73/173/EEC of 4 June 1973 on the approximation of Member States’ laws, regulations and administrative provi- sions relating to the classification, packaging and labelling of dangerous preparations (solvents) (*) and Council Direc- tive 77/728/EEC of 7 November 1977 on the approxima- tion of the laws, regulations and administrative provisions of the Member States relating to the classification, packa- ging and labelling of paints, varnishes, printing inks, adhesives and similar products (°) shall cease to apply; whereas it is necessary to introduce into Annex I to () OJ No 196, 16. 8. 1967, p. 1. () OJ No L 259, 15. 10. 1979, p. 10. () OJ No L 187, 16. 7. 1988, p. 14. () OJ No L 189, 11. 7. 1973, p. 7. () OJ No L 303, 28. 11. 1977, p. 23. Directive 67/548/EEC the concentration limits for the substances  previously determined in  Directives 73/173/EEC and 77/728/EEC; Whereas it is necessary to alter the format of Annex I to Directive 67/548/EEC in order to include concentration limits set on the basis of the toxicological properties of dangerous substances ; Whereas Germany and Denmark have requested a change in the labelling of a number of substances and notified the Commission accordingly under Article 23 of Directive 67/548/EEC ; Whereas examination of the list of dangerous substances in the said Annex I has shown that this list needs to be adapted in the light of present scientific and technical knowledge ; Whereas it is necessary for certain substances already clas- sified as either ‘very toxic’ or ‘extremely flammable’ to change the symbol in accordance with the classification ; whereas the gases hydrogen, methane and ethane should be classified as ‘extremely flammable’ with the appro- priate label and risk phrase; ' Whereas the Spanish and Portuguese languages have not yet been included in all cases in the text of Annexes I, II, II1, IV and VI; Whereas Annex III to Directive 67/548/EEC contains a list of phrases indicating the nature. of the special risks attributed to dangerous substances ; whereas it is necessary to introduce new combined phrases indicating danger to health after long term exposure and for the risk of cancer following inhalation ; whereas substances and preparations