Reinforced individual monitoring of workers classified within the meaning of Article R. 4451-57 or of workers subject to individual monitoring of radon exposure as provided for in Article R. 4451-65 is carried out under the conditions provided for in Articles R. 4624-22 to R. 4624-28.
For a worker classified in category A, the medical examination referred to in article R. 4624-28 is repeated every year. The intermediate check-up mentioned in the same article is not required.