PREVENTION OF RISKS OF EXPOSURE TO IONIZING RADIATION

The provisions of this title apply, in compliance with the principles set out in Article L. 1333-1 of the Public Health Code , when workers are likely to be exposed to a risk due to ionizing radiation:
1 ° Resulting from nuclear activities subject to an authorization or declaration regime in application of article L. 1333-4 of the public health code or nuclear activities concerning defense mentioned in III of article 2 of Law n ° 2006-686 of June 13, 2006 relating to nuclear transparency and security;
2 ° Occurring during interventions mentioned in article L. 1333-1 of the public health code carried out in a radiological emergency or resulting from long-term exposure to ionizing radiation, as defined in application of 3 ° of article L. 1333-20 of the same code.

The provisions of Chapter VII are applicable when the presence in the workplace of natural radionuclides, not used for their radioactive properties or of cosmic radiation, leads to a significant increase in the exposure of workers, compared to the natural level of radiation, of such as to affect their health.
When the preventive measures provided for in Chapter VII do not make it possible to reduce the exposure of workers below the levels mentioned in this same chapter, the establishments concerned are then subject to the provisions of Chapters 1 to VI under the conditions specified in Articles R. 4457-13 and R. 4457-14.

Only the provisions provided for in article R. 4453-10, relating to orphan sources, defined in article R. 1333-93 of the public health code , are applicable to establishments in which these sources are likely to be discovered. or manipulated.

The provisions of this title apply to any self-employed worker, in accordance with the terms set out in article R. 4451-9, when there is a risk for himself or for other persons. exhibition mentioned in articles R. 4451-1 and R. 4451-2.

The provisions of this title do not apply to exposure resulting from radionuclides naturally contained in the human body, cosmic radiation prevailing at ground level or radiation resulting from radionuclides present in the earth’s undisturbed crust.

The Council of State decree determining the rules for preventing the risks of exposure to ionizing radiation provided for in Article L. 4451-2 is issued after consulting the Nuclear Safety Authority.

The self-employed person exercising an activity mentioned in article R. 4451-4 implements protective measures vis-à-vis himself and other people likely to be exposed to ionizing radiation by his activity.
To this end, he takes the necessary steps to be medically monitored under the conditions provided for in Chapter IV.

Individual and collective occupational exposures to ionizing radiation are kept below the limits prescribed by the provisions of this title at the lowest level that is reasonably possible.

As part of the risk assessment, the employer, in collaboration, if necessary, with the head of the external company or the self-employed person, carries out a workstation analysis which is periodically renewed and ‘occasion for any change in conditions that may affect the health and safety of workers.
During an operation taking place in the controlled area defined in article R. 4452-1, the employer:

2 ° Has the person competent in radiation protection, appointed in application of article R. 4456-1, define collective and individual dose objectives for the operation set at the lowest possible level taking into account the state of the art and the nature of the operation to be carried out and, in any event, at a level not exceeding the limit values ​​set in Articles D. 4152-5, D. 4153-34, R. 4451-12 and R. 4451-13. To this end, those responsible for the operation provide assistance to the person competent in radiation protection;
3 ° Have the radiation doses actually received during the operation measured and analyzed in order to take measures ensuring compliance with the radiation protection principles set out in Article L. 1333-1 of the Public Health Code . When the technique permits, these measurements are carried out continuously to allow immediate reading of their results.

The sum of the effective doses received by external and internal exposure must not exceed 20 mSv over twelve consecutive months.

The limits set out in Articles D. 4152-5, D. 4153-34, R. 4451-12 and R. 4451-13 do not apply to the exposures suffered by workers as a result of the medical examinations to which they are subjected.

The exposure limit values ​​set in Articles R. 4451-12 and R. 4451-13 may be waived:
1 ° During exceptional exposures, justified beforehand, to be carried out in certain work areas and for a limited period, subject to prior special authorization being obtained, compliance with the provisions of Chapter V and the scheduling of individual exhibitions, within the limit of a ceiling not exceeding twice the annual exposure limit value set at Articles R. 4451-12 and R. 4451-13;
2 ° During occupational exposures of persons intervening in a radiological emergency situation defined in application of 3 ° of article L. 1333-20 of the public health code , subject to compliance with the provisions of chapter V relating to abnormal work situations and the programming of individual exposures on the basis of reference exposure levels set in application of the aforementioned provisions of the Public Health Code. Exceeding these reference levels may exceptionally be allowed in the context of relief operations aimed at saving human lives for voluntary workers informed of the risk involved in their intervention.

The methods for calculating the effective dose and equivalent doses are defined by decision of the Nuclear Safety Authority approved by the ministers responsible for labor and agriculture.
In the specific case of nuclear activities defined in 1 ° of article R. 4451-1, and when knowledge of the exposure parameters allows a more precise estimate, other methods can be used as soon as they are have been approved by decision of the Nuclear Safety Authority approved by the ministers responsible for labor and agriculture and that they have been submitted for opinion to the health, safety and working conditions committee or, failing that , to staff representatives.

After carrying out a risk assessment and obtaining the opinion of the person competent in radiation protection mentioned in article R. 4456-1, the employer who owns, in any capacity whatsoever, a source of ionizing radiation delimits , in view of the information provided by the source supplier, around the source:
1 ° A supervised area, when workers are likely to receive, under normal working conditions, an effective dose exceeding 1 mSv per year or indeed an equivalent dose exceeding one tenth of one of the limits set in article R. 4451-13;
2 ° A controlled area when the workers are likely to receive, under normal working conditions, an effective dose of 6 mSv per year or an equivalent dose exceeding three tenths of one of the limits set in article R . 4451-13.

Access to the controlled area is reserved for persons to whom the notice provided for in article R. 4453-9 has been given.
Rest rooms cannot be included in the controlled area.

Inside the controlled area and when the exposure is likely to exceed certain levels set by a decision of the Nuclear Safety Authority taken in application of article R. 4452-11, the employer takes all measures to that specially regulated or prohibited zones are delimited.
These areas are subject to separate signage and specific access rules.

The employer ensures that the controlled area or the supervised area is always properly delimited.
It makes, if necessary, the necessary modifications to the delimitation of the zone in view of the results of the checks carried out in application of articles R. 4452-12 and R. 4452-13 and after any modification made to the installation, to its mode of use or that of sources, equipment or shielding, as well as after any incident or accident.

The employer records, in the single risk assessment document, the results of the risk assessment selected to delimit the supervised or controlled areas.

In areas where there is a risk of internal exposure, the employer takes all appropriate measures to avoid any risk of the dispersion of radioactive substances inside and outside the area.

In supervised and controlled areas where a risk of contamination exists, the employer ensures that workers do not eat, drink or smoke and comply with the appropriate personal hygiene rules.

An order of the ministers responsible for labor and agriculture, taken after consultation with the Nuclear Safety Authority, and the Institute for Radiation Protection and Nuclear Safety, establishes for the supervised and controlled areas:
1 ° The conditions of delimitation and signaling;
2 ° The rules of hygiene, safety and maintenance which are applicable there;
3 ° The rules governing access;
4 ° The rules relating to posting provided for in article R. 4452-6.

A decision of the Nuclear Safety Authority, approved by the ministers responsible for labor and agriculture, specifies:
1 ° The exposure parameters making it possible to verify compliance with the dose values ​​set in 1 ° and 2 ° of the article R. 4452-1 as well as the levels mentioned in article R. 4452-3 taking into account in particular the dose rates and radioactive contamination;
2 ° The material characteristics of the zone boundaries.

In compliance with the requirements related to national defense, the Institute for Radiation Protection and Nuclear Safety keeps records of sources and devices emitting ionizing radiation available to the labor inspector and the inspectors and agents mentioned in the article R. 4456-27.
It transmits, with regard to nuclear activities subject to an authorization or declaration regime in application of Article L. 1333-4 of the Public Health Code, at least once a year, to the ministers responsible for labor and agriculture as well as to the Nuclear Safety Authority, a list of the establishments concerned and the sources they hold.

When choosing personal protective equipment, the employer obtains the opinion of the occupational physician and takes into account the constraints and risks inherent in wearing them.
The occupational physician determines the maximum time during which this equipment can be worn continuously.

The heads of external companies determine the means of individual protection for their own workers, taking into account the measures provided for in the prevention plan established in application of article R. 4512-6.

Pregnant women and young workers mentioned in articles D. 4152-5 and D. 4153-34 cannot be assigned to work which requires classification in category A.

Workers exposed to ionizing radiation not falling within category A are classified in category B when they are subjected, in the course of their professional activity, to exposure to ionizing radiation liable to result in doses greater than one dose limits set in article R. 1333-8 of the public health code .

Workers likely to work in supervised areas, controlled areas or in the workplaces of establishments mentioned in the second paragraph of article R. 4451-2 benefit from radiation protection training organized by the employer.
This training covers:
1 ° The risks associated with exposure to ionizing radiation;
2 ° The general radiation protection procedures implemented in the establishment;
3 ° The rules of prevention and protection set by the provisions of this title.
The training is adapted to the particular radiation protection procedures affecting the workstation occupied as well as to the rules of conduct to be followed in the event of an abnormal situation.

When workers are likely to be exposed to high activity sources as mentioned in Article R. 1333-33 of the Public Health Code , training is reinforced, in particular on aspects relating to safety and possible consequences of losing adequate source control.

For pregnant women and young workers mentioned in articles D. 4152-5 and D. 4153-34, the training takes into account the specific prevention rules applicable to them.

The training is renewed periodically and at least every three years.
It is also renewed whenever necessary in the cases and under the conditions set out in Articles R. 4141-9 and R. 4141-15.

The employer brings to the attention of each worker called upon to intervene in a supervised area, in a controlled area or in the workplaces of the establishments mentioned in the second paragraph of article R. 4451-2 the name and contact details of the persons competent in radiation protection.

The employer gives each worker, before any operation in a controlled area, a notice reminding them of the specific risks associated with the position held or the operation to be performed, the applicable safety rules, as well as the instructions to be followed in the event of a situation. abnormal.

In the establishments mentioned in article R. 4451-3, in particular in installations intended for the recovery or recycling of metals, in incineration centers, in technical landfill centers and in places characterized by significant flows of transport and movement of goods, the employer informs workers about the possible discovery of an orphan source defined in article R. 1333-93 of the public health code .
This information is accompanied by advice and training on the visual detection of these sources and their containers, on ionizing radiation and its effects as well as on the measures to be taken on the site in the event of detection and suspicion concerning the presence of such a source.

Only persons holding a certificate of competence may handle industrial radiology devices appearing on a list established by a decision of the Nuclear Safety Authority approved by the ministers responsible for labor and agriculture.
This list takes into account the nature of the activity carried out, the characteristics and, where applicable, the methods of implementation of the device.

The certificate of aptitude for handling industrial radiography equipment is issued by the Institute for Radiation Protection and Nuclear Safety.

An order of the ministers responsible for labor and agriculture, taken after consultation with the Nuclear Safety Authority and the Institute for Radiation Protection and Nuclear Safety, determines:
1 ° The content and duration of the training of the workers concerned , taking into account the nature of the activity carried out and the characteristics of the devices used;
2 ° The qualification of the persons responsible for the training;
3 ° The methods of checking knowledge;
4 ° The conditions for issuing and renewing the certificate of competence;
5 ° The period of validity of this certificate.

The employer draws up an exposure sheet for each worker including the following information:
1 ° The nature of the work performed;
2 ° The characteristics of the emitting sources to which the worker is exposed;
3 ° The nature of ionizing radiation;
4 ° The periods of exposure;
5 ° Other risks or nuisances of physical, chemical, biological or organizational origin at the workstation.

In the event of abnormal exposure, the employer records the duration and nature of the exposure on the exposure sheet.

A copy of the exposure sheet is given to the occupational physician.
It is communicated, on request, to the labor inspectorate.

Each interested worker is informed of the existence of the exposure sheet and has access to the information contained therein concerning him.

Without prejudice to the measures taken in application of article L. 4614-9, the information mentioned in this section is listed by workstation and made available to the members of the health, safety and working conditions committee. or, failing that, staff representatives.

In the event that one of the limit values ​​set in articles D. 4152-5, D. 4153-34, R. 4451-12 and R. 4451-13 has been exceeded, the employer shall inform the committee of this excess. health, safety and working conditions or, failing that, the staff representatives and the labor inspector.
It specifies the presumed causes, the circumstances and the measures envisaged to avoid the renewal of this overrun.
The employer also informs, as the case may be, the Nuclear Safety Authority under the conditions provided for in article R. 4455-7 or the nuclear safety and radiation protection delegate for activities and installations involving defense.

In the cases provided for in article R. 4453-34, the occupational physician takes any measures he deems useful.
Any subsequent exposure of the worker concerned requires his opinion.

During the period when the dose received remains above one of the limit values, the worker benefits from the medical surveillance measures applicable to workers in category A and provided for in articles R. 4454-3 to R. 4454-6 and R 4454-10.
During this period, he may not be assigned to work exposing him to ionizing radiation except in the event of a radiological emergency.

During the period when the dose received remains above one of the limit values, if the worker has a fixed-term employment contract or a temporary employment contract, he cannot be assigned, during the extension of the contract provided for in article L. 1243-12 or during the execution of the contract (s) provided for in article L. 1251-34, to work exposing it to ionizing radiation except in the event of a radiological emergency.

Without prejudice to the application of the measures defined in this section, when the exceeding of one of the limit values ​​results from unplanned working conditions, the person competent in radiation protection, under the responsibility of the employer, takes measures to :
1 ° Cease as soon as possible the causes of the overrun, including, if necessary, by suspending the work in question;
2 ° Proceed or have the Institute for Radiation Protection and Nuclear Safety proceed within forty-eight hours after the observation of the exceedance under study of the circumstances in which it occurred;
3 ° Have the equivalent doses received by workers evaluated and their distribution in the body;
4 ° To study or have studied by the Institute for Radiation Protection and Nuclear Safety the measures to be taken to remedy any defect and prevent its possible renewal;
5 ° Carry out the checks provided for in article R. 4452-15.

A worker may only be assigned to work exposing him to ionizing radiation after having undergone a medical examination by the occupational physician and provided that the medical aptitude sheet established by the latter certifies that ‘it does not present any medical contraindication to this work.
This sheet indicates the date of the workstation study and the date of the last update of the company sheet.

The worker or the employer can contest the mentions of the medical aptitude form within fifteen days of its issuance.
The dispute is brought before the labor inspector. The latter decides after the assent of the medical inspector of work, who can have additional examinations carried out, at the employer’s expense, by specialists of his choice.

Workers classified in category A or B in application of articles R. 4453-1 and R. 4453-3 are subject to reinforced medical surveillance.
They benefit from a medical examination at least once a year which includes a general clinical examination and, depending on the nature of the exposure, one or more additional specialized examinations which the occupational physician performs or has performed.
These examinations are the responsibility of the employer.

As part of the medical surveillance of workers, the occupational physician receives the results of all the measures or checks he deems relevant to assess the state of health of the workers.

After any internal or external exposure occurring in the situations defined in Articles R. 4451-15 and R. 4453-34, the occupational physician establishes a dosimetric assessment of this exposure and an assessment of its effects on each exposed worker.
If necessary, it calls on the Institute for Radiation Protection and Nuclear Safety.

A joint order of the ministers responsible for labor, health and agriculture defines the recommendations and technical instructions addressed to the occupational physician and specifies the procedures for additional specialist examinations.

The occupational physician draws up and keeps, for each exposed worker, an individual file containing:
1 ° The duplicate of the exposure sheet provided for in article R. 4453-14;
2 ° The dates and results of the dosimetric monitoring of individual exposure to ionizing radiation, the effective doses received as well as the dates of abnormal exposure and the doses received during these exposures;
3 ° The dates and results of the additional medical examinations carried out in application of article R. 4454-3.

The individual file of the worker is communicated, at his request, to the medical inspector of work and can be sent, with the agreement of the worker, to the doctor chosen by the latter.

The individual file is kept for at least fifty years after the end of the exhibition period.
If the establishment disappears or if the worker changes establishment, the entire file is sent to the labor inspector, who is responsible for sending it, at the worker’s request, to the industrial doctor. now competent.

An individual medical monitoring card is issued by the occupational physician to all category A or B workers.
The data contained in this card is sent to the Institute for Radiation Protection and Nuclear Safety.

A joint order of the ministers responsible for labor and agriculture, taken after consultation with the Nuclear Safety Authority and the Institute for Radiation Protection and Nuclear Safety, fixes:
1 ° The content of the individual medical monitoring card;
2 ° The modalities of its issuance as well as the transmission, to the Institute for Radiation Protection and Nuclear Safety, of the data it contains.

Exposures subject to special authorization in application of article R. 4451-15 can only take place after the agreement of the labor inspector.
Requests for special authorization are accompanied by:
1 ° Useful justifications;
2 ° Information relating to the programming of foreseeable dose ceilings and the work schedule;
3 ° Opinions from the occupational physician, the health, safety and working conditions committee or, failing that, the staff representatives and the Institute for Radiation Protection and Nuclear Safety.

The labor inspector makes his decision known to the employer and, if applicable, to the staff representatives, within fifteen days of the date of receipt of the request for special authorization.
It informs, as the case may be, the Nuclear Safety Authority or the nuclear safety and radiation protection delegate for activities and installations of interest to defense.

Work or operations exposing to ionizing radiation in situations subject to special authorization or radiological emergency defined in article R. 4451-15 can only be entrusted to workers:
1 ° Belonging to category A defined in l article R. 4453-1;
2 ° Not presenting any medical incapacity;
3 ° Having been entered on a list previously drawn up for this purpose;
4 ° having received appropriate information on the risks and precautions to be taken during the work or operation;
5 ° Not having received, in the preceding twelve months, a dose greater than one of the annual limit values ​​set in Articles R. 4451-12 and R. 4451-13 for exposures subject to special authorization.

Only volunteer workers can carry out the work or operations planned in radiological emergency situations. For this purpose, they have individual dosimetry resources adapted to the situation.

The employer sets up a safety team, equipped with specific equipment, responsible for implementing prevention and intervention measures in the event of an accident in establishments in which are located:
1 ° Either one or more nuclear installations basic as defined in III of article 28 of law n ° 2006-686 of June 13, 2006 relating to transparency and safety in nuclear matters;
2 ° Or a basic nuclear installation mentioned in article R. * 1333-40 of the defense code .

With regard to nuclear activities subject to an authorization or declaration regime in application of Article L. 1333-4 of the Public Health Code , the employer declares any significant event that has led or is likely to lead to exceeding one of the limit values ​​set in articles D. 4152-5, D. 4153-34, R. 4451-12 and R. 4451-13 at the Nuclear Safety Authority.
The employer analyzes these events in order to prevent future events.

A decision of the Nuclear Safety Authority, approved by the ministers responsible for labor and agriculture, sets the criteria defining the significant event as well as the criteria for the declaration and management of these events by the employer, taking into account the nature and extent of the risk.

The Nuclear Safety Authority centralizes and verifies the information relating to the significant events declared and keeps it at the disposal of the labor inspector.

The Nuclear Safety Authority sends an assessment of employers’ declarations, at least once a year, to the ministers responsible for labor and agriculture.

The occupational physician collaborates in the action of the person competent in radiation protection.

The occupational physician assists the employer in establishing and updating the exposure sheet provided for in article R. 4453-14.

The occupational physician participates in informing workers about the potential health risks of exposure to ionizing radiation as well as other risk factors likely to aggravate them.
He also participates in the development of the safety training provided for in article R. 4453-4.

The occupational physician can make any proposal to the employer as to the choice of personal protective equipment, taking into account their terms of use.

The health, safety and working conditions committee or, failing that, the staff representatives, receives from the employer:
1 ° At least once a year, a statistical report of the technical environmental controls and monitoring dosimetry provided for in Articles R. 4452-20 and R. 4453-19 allowing the development of internal and external exposure of workers to be assessed;
2 ° Information concerning situations where one of the limit values ​​is exceeded as well as the measures taken to remedy them;
3 ° Information concerning the exceedances observed in relation to the collective and individual dose objectives mentioned in 2 ° of article R. 4451-11.

The health, safety and working conditions committee or, failing that, the staff representatives, has access to:
1 ° The results of the checks provided for in Articles R. 4452-12 and R. 4452-13;
2 ° The results, in non-nominative form, of the evaluations of the doses received by the workers provided for in Sections 1 to 3 of Chapter VII.

The health, safety and working conditions committee or, failing that, the staff representatives, receives, at its request, communication of the organizational measures taken by the employer concerning the supervised or controlled areas.

Companies which carry out maintenance work, intervention work or use devices emitting ionizing radiation can only carry out the activities appearing on a list fixed by decree after having obtained a qualification certificate justifying their capacity to perform work under ionizing radiation.
This certificate can specify the sector of activity in which they are authorized to operate.

Temporary employment companies which make workers available to carry out the work mentioned in article R. 4456-20 are subject to the obligations of this same article.

For the performance of the mission of participating in the permanent monitoring of radiation protection entrusted to it by Decree No. 2002-254 of February 22, 2002 relating to the Institute for Radiation Protection and Nuclear Safety, and in particular the management and use of dosimetric data concerning workers, as well as in application of article 4 of law n ° 2006-686 of 13 June 2006 relating to transparency and safety in nuclear matters, the Institute radiation protection and nuclear safety:
1 ° Centralizes, verifies and keeps for at least fifty years all the results of the individual measurements of the exposure of workers mentioned in section 6 of chapter 3 as well as the data contained in the individual medical monitoring card mentioned in article R. 4454-10, with a view to using them for statistical or epidemiological purposes;
2 ° Receive the results of the evaluations carried out in application of sections 1 to 3 of chapter VII;
3 Keeps available to the labor inspectorate as well as to the agents mentioned in article R. 4456-27 all the results of individual measurements of workers’ exposure to ionizing radiation.

In compliance with national defense requirements, the Institute for Radiation Protection and Nuclear Safety can communicate the results to study and research organizations with which it concludes an agreement.
It publishes the conclusions of the studies carried out. These organizations operate them in accordance with the provisions of Chapter IX of Law No. 78-17 of January 6, 1978 relating to information technology, files and freedoms.

The Institute for Radiation Protection and Nuclear Safety ensures compliance with the rules of confidentiality with regard to access to the information mentioned in section 6 of chapter 3 in their nominative form.

The Institute for Radiation Protection and Nuclear Safety reports in an annual report sent to the Minister responsible for labor and agriculture as well as, as the case may be, to the Nuclear Safety Authority or to the delegate for nuclear safety and radiation protection for defense-related activities and installations:
1 ° Difficulties encountered in radiological monitoring of workers;
2 ° The levels of exposure to ionizing radiation of workers, taking into account in particular the nature of the professional activities.

The employer makes available to the radiation protection inspectors mentioned in article L. 1333-17 of the public health code , the agents mentioned in article L. 1333-18 of the same code and the agents of the prevention of social security bodies all information and documents to which the labor inspector has access.

The employer communicates, at their request and for the installations for which they are responsible, to the inspectors of installations classified for the protection of the environment the list of sources and devices emitting ionizing radiation provided for in article R. 4452- 20.

When in an establishment are used or stored materials, not used because of their radioactive properties, but naturally containing radionuclides, or are produced from residues from these materials, the employer carries out an assessment of the doses received by the workers. by resorting to measures the technical methods of which are defined by joint order of the ministers responsible for labor and agriculture, taken after consultation with the Nuclear Safety Authority and the Institute for Radiation Protection and Nuclear Safety.

The employer communicates the results of the assessment of the doses received to the Nuclear Safety Authority and the Institute for Radiation Protection and Nuclear Safety.

In establishments located in the departments or parts of departments appearing on the list provided for in Article R. 1333-15 of the Public Health Code , where workers, due to the situation in their workplaces, are exposed to radon activity, the employer has this activity measured by an approved body mentioned in Article R. 1333-15 of the Public Health Code or by the Institute for Radiation Protection and Nuclear Safety.
When the results of the measurements carried out are greater than the levels set by a decision of the Nuclear Safety Authority, the employer takes the necessary actions to reduce the exposure as low as reasonably possible.

The employer communicates the results of the measurements carried out to the Nuclear Safety Authority and to the Institute for Radiation Protection and Nuclear Safety.

When workers are assigned for all or part of their working time to the performance of tasks on board aircraft in flight, the employer carries out an assessment of the doses likely to be received by them, using , if necessary, at the Institute for Radiation Protection and Nuclear Safety.
It communicates the results of this assessment to the Institute for Radiation Protection and Nuclear Safety.Article R. 4457-11  

If the results of the assessment of the doses likely to be received reveal individual exposures liable to reach or exceed an effective dose of 1 mSv per year, the employer shall take the general administrative and technical measures necessary to reduce the dose. ‘exposure.
As such, it schedules the execution of tasks to reduce the doses received during flights, in particular when a pregnancy is declared by a member of the staff.

Article R. 4457-12  

An order of the ministers responsible for labor and transport, taken after consulting the Nuclear Safety Authority and the Institute for Radiation Protection and Nuclear Safety, sets out the methods for assessing exposure and for communicating the results mentioned in article R. 4457-10.

When the risk prevention measures implemented in application of sections 1 to 3 do not make it possible to reduce the exposure of workers below the levels mentioned in these sections, the establishments concerned are then subject to the provisions laid down in Chapters I to VI, with the exception of the provisions provided for in article R. 4452-12 other than those of 5 °.
Are also excluded:
1 ° For the establishments mentioned in subsection 2, the provisions relating to the supervised and controlled areas provided for in section 1 of chapter II as well as those relating to operational dosimetric monitoring provided for in article R. 4453-24;
2 ° For aircraft in flight, the provisions relating to the supervised and controlled areas provided for in section 1 of chapter II, those relating to the working environment controls provided for in article R. 4452-13 as well as those relating to monitoring operational dosimetry provided for in article R. 4453-24.

Decrees of the ministers responsible for labor, agriculture and, as the case may be, the minister responsible for transport, taken after consultation with the Nuclear Safety Authority and the Institute for Radiation Protection and Nuclear Safety, set out, in as necessary, for the establishments mentioned in article R. 4457-13:
1 ° The specific rules applicable to the delimitation and signage of supervised or controlled areas, the health, safety and maintenance rules applicable therein, those governing access as well as those relating to posting provided for in Articles R. 4452-6 and R. 4452-7;
2 ° The conditions and means necessary for the implementation of the radiological monitoring provided for in section 6 of chapter III, depending on the nature and importance of the risk.