reg 4 Assessment of health risks
(1) In the case of any activity likely to involve a risk of exposure, the employer shall— (a) in carrying out the risk assessment required by regulation 7 of the General Duties Regulations— (i) determine the nature, degree and duration of workers' exposure in order to make it possible to assess any risk to the workers' health or safety and to lay down the measures to be taken; (ii) in assessing the risk of such exposure take account of all routes of exposure, such as absorption into or through the skin; and (iii) give particular attention to any effects concerning the health and safety of workers at particular risk and take account of the desirability of not employing such workers in areas where they may come into contact with carcinogens or mutagens; (b) renew the assessment regularly and in any event when any change occurs in the conditions which may affect workers' exposure; and (c) supply the Secretary of State, if she so requests, with the information used for making the assessment. (2) An assessment carried out in accordance with this regulation, whether for the first time or by way of renewal, is in these Regulations called a regulation 4 assessment.