Subsection 1: Individual dosimetric monitoring

I.-The employer shall implement appropriate individual dosimetric monitoring when the worker is classified within the meaning of Article R. 4451-57 or when the effective dose assessed in application of 5° of Article R. 4451-53 is likely to exceed 6 millisieverts. II – For all other workers accessing delimited areas under Article R. 4451-24, the employer shall use appropriate means to ensure that their exposure remains below the dose levels used…

I.-Individual dosimetric monitoring in relation to external exposure or exposure to radon is carried out using appropriate delayed-reading dosimeters. Where external exposure is due to cosmic radiation, this monitoring may be carried out using digital modelling. Dosimeters are supplied and operated by an accredited dosimetry organisation, together with the digital modelling. II.-Individual dosimetric monitoring in relation to internal exposure is carried out using anthroporadiometry measurements or radiotoxicology analyses prescribed by…