Abstracts ASN Report 2019

ļŁĶĸ ӅӃӄӌё ŀĸĴņňŅĸŀĸŁŇ łĹ ŇĻĸ ŅĴķłŁ ĶłŁŇĸŁŇ łĹ ŇĴŃ ŊĴŇĸŅ ĴŁķ bottled water has been compulsory. To assist the introduction of this new provision, an instruction was drawn up in consultation ŊļŇĻ ĴŁķ ļņņňĸķ ļŁ ӅӃӄӋׇŇł ŇĻĸ ĸĺļłŁĴĿ ĸĴĿŇĻ ĺĸŁĶļĸņ ĵŌ ŇĻĸ ĸŁĸŅĴĿ ļŅĸĶŇłŅĴŇĸ ĹłŅ ĸĴĿŇĻ Ҏ łŃļŁļłŁ ӅӃӄӋі іӃӆӃӅׇłĹ Ӊׇ ĴŅĶĻ ӅӃӄӋׇłŁ ŇĻĸ ŅĴķłŁ ŀĴŁĴĺĸŀĸŁŇ ŃŅłĶĸķňŅĸņ ļŁ ŇĻĸ ņĴŁļŇĴŅŌ control of water intended for human consumption). • 0ɴȵȒɀɖȸƺ Ƴɖƺ ɎȒ ȸƏƳȒȇ Ł ŅĴŁĶĸё ŇĻĸ ŅĸĺňĿĴŇļłŁņ ŅĸĿĴŇļʼnĸ Ňł ŀĴŁĴĺĸŀĸŁŇ łĹ ŇĻĸ ŅĴķłŁ risk, put in place in the early 2000’s for certain buildings open Ňł ŇĻĸ ŃňĵĿļĶё ŊĸŅĸ ĸŋŇĸŁķĸķ Ňł ĶĸŅŇĴļŁ ŊłŅľ ŃĿĴĶĸņ ļŁ ӅӃӃӋє Ł 2016, radon was introduced into the indoor air quality policy. ŅĴŁņŃłņļŇļłŁ łĹ łňŁĶļĿ ļŅĸĶŇļʼnĸ ӅӃӄӆѼӈӌѼ ňŅĴŇłŀ łĹ ӈׇ ĸĶĸŀĵĸŅ ӅӃӄӆ ĿĴŌļŁĺ ķłŊŁ ĴņļĶ ĴĹĸŇŌ ŇĴŁķĴŅķņ ĹłŅ protection against the dangers arising from exposure to ionising radiation led to the amending of the provisions applicable to ŅĴķłŁ ņļŁĶĸ ӄׇ ňĿŌ ӅӃӄӋє ŅĸĹĸŅĸŁĶĸ ĿĸʼnĸĿ łĹ ӆӃӃׇ ńѼŀ 3 ׇĻĴņ ĵĸĸŁ introduced. It is applicable to all situations, which enables the health risk associated with radon to be managed with an all- inclusive approach. The regulations have been extended with provisions concerning the three main sectors: ҄ With regard to the general public, a significant improvement has been introduced: radon is now included in the information to be provided to buyers and tenants of real estate situated in areas where the radon potential could be the highest. ҄ In workplaces, the regulations have been extended to cover professional activities exercised on ground floor levels and in ĶĸŅŇĴļŁ ņŃĸĶļĹļĶ ŊłŅľŃĿĴĶĸņє ĻĴŇĸʼnĸŅ ŇĻĸ ŅĴķłŁ ŃłŇĸŁŇļĴĿ ōłŁĸ in which the workplace is situated, radon must be considered in the risk assessment. A radon measurement can be carried out in this context if necessary. If there is a risk of reaching łŅ ĸŋĶĸĸķļŁĺ ŇĻĸ ŅĸĹĸŅĸŁĶĸ ĿĸʼnĸĿ łĹ ӆӃӃׇ ńѼŀ 3 , the employer must take action to reduce the radon activity concentration. If the action turns out to be ineffective, the employer must ļķĸŁŇļĹŌ ŃłŇĸŁŇļĴĿ ѢŅĴķłŁ ōłŁĸņѣё ŇĻĸŁ ļŀŃĿĸŀĸŁŇ ŅĴķļĴŇļłŁ protection measures, if necessary according to the level of exposure of the workers. ҄ In some buildings open to the public, the radon management methods have been adjusted, more specifically with the ĴķķļŇļłŁ łĹ ĹĴĶļĿļŇļĸņ ĴĶĶłŀŀłķĴŇļŁĺ ĶĻļĿķŅĸŁ ňŁķĸŅ ӉׇŌĸĴŅņ of age and an obligation to inform the public by displaying the radon measurement results. The type of action to be taken if the ŅĸĹĸŅĸŁĶĸ ĿĸʼnĸĿ łĹ ӆӃӃׇ ńѼŀ 3 ׇļņ ĸŋĶĸĸķĸķ ļņ ĺŅĴķĸķ ĴĶĶłŅķļŁĺ Ňł the measurement results (5) : simple corrective actions for radon ĶłŁĶĸŁŇŅĴŇļłŁņ ĵĸŇŊĸĸŁ ӆӃӃׇĴŁķ ӄёӃӃӃׇ ńѼŀ 3 , expert assessment and remediation work if the corrective actions do not reduce the radon concentration to below the reference level or if the ŀĸĴņňŅĸŀĸŁŇ ŅĸņňĿŇņ ĸńňĴĿ ӄёӃӃӃׇ ńѼŀ 3 ׇłŅ ĻļĺĻĸŅє On the basis of the results communicated by the ASN-accredited łŅĺĴŁļņĴŇļłŁņ ĹłŅ ŇĻĸ ӅӃӄӋѼӅӃӄӌ ĶĴŀŃĴļĺŁё ŇĻĸ ŀĴĽłŅļŇŌ łĹ ŇĻĸ screenings was carried out in educational institutions and ĻĸĴĿŇĻĶĴŅĸ ĴŁķ ŀĸķļĶĴĿіņłĶļĴĿ ļŁņŇļŇňŇļłŁņ ҎӈӄՌ ĴŁķ ӇӋՌ łĹ screenings respectively). The radon activity concentration is lower than the reference level of 300 Bq/m 3 ׇļŁ ӉӇՌ łĹ ĸķňĶĴŇļłŁĴĿ ļŁņŇļŇňŇļłŁņ ĴŁķ ӋӅՌ łĹ ŇĻĸ ĻĸĴĿŇĻĶĴŅĸ ĴŁķ ŀĸķļĶĴĿіņłĶļĴĿ institutions screened (see Diagram 3). On the basis of the data collected in some one hundred buildings open to the public, one third of the radon activity concentration ļŁņŃĸĶŇļłŁņ ĶĴŅŅļĸķ łňŇ ĵŌ ŇĻĸ іĴĶĶŅĸķļŇĸķ łŅĺĴŁļōĴŇļłŁņ confirmed that the radon activity concentration had been brought below the 300 Bq/m 3 ׇĿĸʼnĸĿ ĴĹŇĸŅ ĶĴŅŅŌļŁĺ łňŇ ŅĴķłŁ ŅĸŀĸķļĴŇļłŁ work. ӈє ŅķĸŅ łĹ ӅӉׇ ĸĵŅňĴŅŌ ӅӃӄӌׇŅĸĿĴŇļʼnĸ Ňł ŇĻĸ ŀĸŇĻłķņ łĹ ŀĴŁĴĺļŁĺ ŅĴķłŁ ļŁ ĶĸŅŇĴļŁ ĵňļĿķļŁĺņ łŃĸŁ Ňł ŇĻĸ ŃňĵĿļĶ ĴŁķ ķļņņĸŀļŁĴŇļłŁ łĹ ļŁĹłŅŀĴŇļłŁ Ňł ŇĻĸ people frequenting these buildings. Ӊє ŅķĸŅ łĹ Ӆӊׇ ňŁĸ ӅӃӄӋׇķĸĿļŀļŇļŁĺ ŇĻĸ ŅĴķłŁ ŃłŇĸŁŇļĴĿ ōłŁĸņ łŁ ŅĸŁĶĻ ŇĸŅŅļŇłŅŌє • «ƺɀɖǼɎɀ Ȓǔ Ɏǝƺ ב ȸƳ ȇƏɎǣȒȇƏǼ ȸƏƳȒȇ ƏƬɎǣȒȇ ȵǼƏȇ ٢ א ׎׏ אٮה ׎׏ ח ٣ ƏȇƳ ƫȸȒƏƳ Ǽǣȇƺɀ Ȓǔ Ɏǝƺ ג Ɏǝ ȵǼƏȇ ٢ א ׎ א ׎ אٮ ׎ גא ٣ Ļĸ ӆŅķ ŅĴķłŁ ĴĶŇļłŁ ŃĿĴŁ ĶłʼnĸŅĸķ ŇĻĸ ӅӃӄӉіӅӃӄӌׇŃĸŅļłķє ĿŇĻłňĺĻ its implementation was strongly impacted by the transposition of łňŁĶļĿ ļŅĸĶŇļʼnĸ ӅӃӄӆѼӈӌѼ ňŅĴŇłŀ łĹ ӈׇ ĸĶĸŀĵĸŅ ӅӃӄӆׇҎļŁ ӅӃӄӉ ĹłŅ ŇĻĸ ĿĸĺļņĿĴŇļʼnĸ ŃĴŅŇ ĴŁķ ļŁ ӅӃӄӋׇĴŁķ ӅӃӄӌׇĹłŅ ŇĻĸ ŅĸĺňĿĴŇłŅŌ part), the majority of the actions concerned are either completed or in progress. The results reveal the following main points: ҄ A radon risk map (6) defined on the more precise scale of the municipality, and now including the overseas territories, was ŃňĵĿļņĻĸķ ļŁ ňŁĸ ӅӃӄӋє Ň ĶłŁņŇļŇňŇĸņ Ĵ ŇłłĿ ĶłŀŀłŁ Ňł ĴĿĿ ŇĻĸ management strategies, based on the division of the territory ļŁŇł ŇĻŅĸĸ ŅĴķłŁ ŃłŇĸŁŇļĴĿ ōłŁĸņє ҄ The deployment of numerous communication campaigns on the radon risk and on the new regulatory provisions introduced ļŁŇł ŅĸŁĶĻ ĿĴŊ ņļŁĶĸ ӄׇ ňĿŌ ӅӃӄӋє łŅĸ ŃĴŅŇļĶňĿĴŅĿŌё ŇĻĸ ĿłĶĴĿ awareness raising operations for the public continued and information sessions were organised at national and local level for the various stakeholders: managers of buildings open to the public, risk prevention specialists, building trade professionals, organisations approved by ASN for measuring radon activity concentration. ҄ The gradual defining of good practices regarding prevention methods for new buildings and radon concentration reduction methods in existing buildings. This was made possible by capitalising on examples of constructions and works, experience feedback from building professionals and the publication of ŅĸŁĶĻ ĴŁķ ĹłŅĸļĺŁ ņŇňķļĸņє ҄ The development of training courses for building professionals, as radon is now included in broader subjects, such as indoor air quality and energy renovation. • ג Ɏǝ ȸƏƳȒȇ ȵǼƏȇ ٢ א ׎ א ׎ אٮ ׎ גא ٣ The 4th radon plan (2020-2024) ties in with the 4th national health environment plan which will now coordinate all the sectorial plans concerning health or the environment. The ŇĻŅĸĸ Ĵŋĸņ łĹ ŇĻĸ ӅӃӄӉіӅӃӄӌׇŃĿĴŁ ĴŅĸ ŀĴļŁŇĴļŁĸķѓ ļŁĹłŅŀļŁĺ ŇĻĸ audiences, enhancing knowledge and improving integration of the management of the radon in buildings. In particular, informing and raising awareness of the radon risk remain major subjects of the plan, due to insufficient knowledge of this risk not only on the part of the general public, but also the players in the regulated sectors. A specific communication campaign shall target smokers, because they constitute the population the most at risk of developing lung cancer linked to cumulative exposure to radon and tobacco. Various studies will continue in order to improve knowledge of the impact of radon on health, but also łĹ ŇĻĸ ĸŋŃłņňŅĸ łĹ ŇĻĸ ŅĸŁĶĻ ŃłŃňĿĴŇļłŁѓ ĹĴĶŇłŅņ ļŁĹĿňĸŁĶļŁĺ the radon content of the soil, the contribution of construction materials. The good practices in prevention and reduction of the radon concentration in buildings shall be synthesised and disseminated. Indicators have been put in place to track the progress of the various actions and estimate their impacts for the people concerned. ב ِ ב (Ȓɀƺɀ ȸƺƬƺǣɮƺƳ ƫɵ ȵƏɎǣƺȇɎɀ Ł ŅĴŁĶĸё ĸŋŃłņňŅĸ ĹłŅ ŀĸķļĶĴĿ ŃňŅŃłņĸņ ŅĸŃŅĸņĸŁŇņ ŇĻĸ ĺŅĸĴŇĸņŇ part of the artificial exposures of the public to ionising radiation Medical exposure has been increasing over the last thirty years or so due to the rise in the number of radiological examinations –and computed tomography examinations in particular, to the ageing of the population, and to the strategies implemented to ensure better patient care, particularly in the context of patient ASN Report on the state of nuclear safety and radiation protection in France in 2019 109 ׎׏ ٲ NUCLEAR ACTIVITIES: IONISING RADIATION AND HEALTH AND ENVIRONMENTAL RISKS 01