Section 2: Protection against exposure to natural sources of ionising radiation

Establishments open to the public to which the provisions of this paragraph apply are : 1° Educational establishments, including boarding schools; 2° Establishments for the collective care of children under the age of six; 3° Health, social and medico-social establishments with accommodation capacity from among : a) The health establishments mentioned in article L. 6111-1 and the army hospitals mentioned in article L. 6147-7 ; b) The establishments mentioned in…

I.-The owner or, if an agreement so provides, the operator of establishments open to the public belonging to one of the categories mentioned in article D. 1333-32 has the radon activity measured: 1° In zones 3 mentioned in article R. 1333-29 ; 2° In zones 1 and 2, when the results of existing measurements in these establishments exceed the reference level set in article R. 1333-28. II – Radon volumetric…

I.-For the application of article L. 1333-22, when at least one radon volumetric activity measurement result exceeds the reference level set in article R. 1333-28 , the owner or, where applicable, the operator must implement corrective measures to improve the airtightness of the building with regard to radon entry points or the air renewal of the premises. He shall have the effectiveness of these measures checked by measuring the radon…

I.-When measurements of radon volumetric activity have been taken, the owner or, where applicable, the operator must update the register referred to in article R*. 123-51 of the Code de la construction et de l’habitation and attach the last two inspection reports mentioned in IV of article R. 1333-36. If there is no such register in the establishment, it shall keep these reports. These documents are made available to :…

I.-The Institut de Radioprotection et de Sûreté Nucléaire (Institute for Radiation Protection and Nuclear Safety) or bodies approved by the Autorité de Sûreté Nucléaire (Nuclear Safety Authority) carry out the following in the establishments mentioned in Article D. 1333-32: 1° The radon activity measurements mentioned in article R. 1333-33 ; 2° Services for checking the effectiveness of corrective actions and work as provided for in article R. 1333-34; 3° Additional…