I.-The employer shall communicate the results of the risk assessment and measurements to the health professionals mentioned in the first paragraph of Article L. 4624-1 and to the Social and Economic Committee, in particular when they are updated under Article R. 4121-2.
II – When, despite the preventive measures implemented in application of section 5 of this chapter, the concentration of radon activity in the air remains above the reference level set in article R. 4451-10, the employer communicates the results of these measurements to the Institut de Radioprotection et de Sûreté Nucléaire in accordance with the procedures defined by this Institut.