OVERSIGHT ACTIONS In addition, the radiation protection inspections carried out in 2021 in medical or industrial facilities situated in municipalities with significant radon potential were used by some divisions to explain the regulatory obligations of employers in workplaces. In this respect, as in the year 2020, ASN found that radon is increasingly taken into account in the occupational risk assessments. The regional divisions moreover contributed to the inspection of organisations approved for taking radon measurements in PABs (14 inspections). Several other awareness-raising or oversight actions planned in 2021 were postponed due to the Covid-19 pandemic. BRETAGNE / PAYS DE LA LOIRE – Nantes division • Two inspections of the actions taken by the towns of Rennes and la Roche‑sur‑Yon. Observation of contrasting ways of taking into account the radon risk in these municipalities: one had deployed measures and actions to reduce the radon risk for the public and workers, the other having initiated procedures in late 2021. GRAND EST – Strasbourg and Châlons-en-Champagne divisions • Inspection of two spas. • Continuation of the inspections of PAB managers and workplaces in 2022. PROVENCE-ALPES-CÔTE D’AZUR / OCCITANIE – Marseille division • Joint inspection of the town of Toulon by the Marseille division and the ARS of Provence-Alpes-Côtes d’Azur (PACA). • The division participated in the management of a case of where the reference level was signif icantly exceeded in a school in Meyrueis (Lozère département). BOURGOGNE‑FRANCHE‑COMTÉ – Dijon division • Inspection and observation of good management of the initial radon screening (in 2015) of the Spa of Saint‑Honoré‑les‑Bains (Nièvre département) where four premises had moderately exceeded the reference level with the implementation of remediation actions (but nevertheless without the effectiveness of the renovation work having been verif ied). Furthermore, radon was not taken into consideration in the occupational risks assessment. • Inspection and observation of good management of the initial radon screening with the departmental Council of Saône‑et‑Loire with the effective implementation of screening and remediation actions in all the secondary schools of the département; a few radon concentrations exceeding 300 Bq/m3 subsist in a few schools and expert assessments of the buildings are in progress. In addition, radon has been taken into account in the occupational risks assessment for the f irst time at two sites (Solutré Museum and the Azé Grotto), but remains to be deployed in all the other workplaces. AUVERGNE‑RHÔNE‑ALPES – Lyon division • Inspection of the departmental Councils of the Allier, Ardèche and Savoie départements and the metropolis of Lyon. Observation of the need to follow up over the long term the measures taken by these institutions to reduce exposure to radon. NORMANDIE – Caen division • Inspection within the departmental Council of Calvados which is responsible for all the secondary schools of the département. The prevention measures required by the new regulations have been applied satisfactorily by the manager of the institutions. Observation of the need to continue this approach. (*) Lille division (Hauts-de-France): with the exception of a few municipalities of the Nord and Pas‑de‑Calais départements, the region is in a zone of low radon potential. (**) Paris division (Île-de-France): the entire region is in a zone of low radon potential. ASN Report on the state of nuclear safety and radiation protection in France in 2021 117 01 – NUCLEAR ACTIVITIES: IONISING RADIATION AND HEALTH AND ENVIRONMENTAL RISKS 08 07 13 04 10 06 12 14 03 09 05 11 02 01 AP
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