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2. EU (1979). Council Directive 79/83 I/EEC of 18 September 1979 amending for the sixth time Directive 67/548/EEC on the approximation of the laws, regulations and administrative provisions relating to the classification, packaging and labelling of dangerous substances. Official Journal of the European Communities (O.J.) L259, 15 October 1979.
3. EU (1990). Commission Communication pursuant to Article 13 of Council Directive 67/548/EEC of 27 June 1967 on the approximation of the laws, regulations and administrative provisions relating to the classification, packaging and labelling of dangerous substances as amended by Directive 79/83 I/EEC-EINECS (European Inventory of Existing Commercial Chemical Substances). Official Journal of the European Communities C146A, 15 June 1990.
4. EU (1992). Council Directive 92/32/EEC of 30 April 1992 amending for the seventh time Directive 67/548/EEC on the approximation of the laws, regulations and administrative provisions relating to the classification, packaging and labelling of dangerous substances. Official Journal of the European Communities L154, 5 June 1992.
5. EU (1993 a) Council Regulation (EEC) 793/93 of 23 March 1993 on the evaluation and control of the risks of existing substances. Official Journal of the European Communities L84, 5 April 1993.