1.Member States shall ensure that arrangements in workplaces include a classification into different areas, where appropriate, on the basis of an assessment of the expected annual doses and the probability and magnitude of potential exposures.
2.A distinction shall be made between controlled areas and supervised areas. Member States shall ensure that the competent authority establishes guidance on the classification of controlled and supervised areas with regard to particular circumstances.
3.Member States shall ensure that the undertaking keeps under review the working conditions in controlled and supervised areas.