Standards for electromagnetic compatibility and personal protective equipment A Commission communication in the framework of the implementation of the "new approach" Directives ("Publication of the titles and references of European harmonized standards complying with the essential requirements") sets out the OEN reference number, the title, and the year... A Commission communication in the framework of the implementation of the "new approach" Directives ("Publication of the titles and references of European harmonized standards complying with the essential requirements") sets out the OEN reference number, the title, and the year of ratification for those harmonized standards related to electromagnetic compatibility (Council Directive 89/336/EEC of 3.5.1989) and personal protective equipment (Council Directive 89/686/EEC of 21.12.1989).