640. Classification and monitoring of persons in regard to ionising radiation.

640.     Classification and monitoring of persons in regard to ionising radiation.

The employer1 may not designate an employee2 as a classified person3 unless that employee is aged 18 years or over and the relevant doctor4 has certified in the health record5 that that employee is fit for the work with ionising radiation6 which that employee is to carry out7. Subject to that, the employer must designate as classified persons those of its employees who are likely to receive an effective dose8 greater than 6 mSv per year for the lens of the eye or greater than 150 mSv per year for the skin or the extremities9 and must immediately inform those employees that they have been so designated10. The employer may cease to treat an employee as a classified person only at the end of a calendar year11 except where a relevant doctor so requires, or where the employee is no longer employed by the same employer in a