The employer shall ensure that the delimitation of zones is always appropriate, particularly in the light of the results of the checks on the effectiveness of the means of prevention provided for in section 6 of this chapter. Where necessary, he shall make the necessary adjustments to the delimitation of these zones, to their signs and to their access.
I.-Each source of ionising radiation is specifically and appropriately signposted. II.-Where technical conditions do not allow the source of ionising radiation to be individually signposted, a notice indicating its location and the nature of the risk is displayed at each access point to the zone in question. III – In the orange or red controlled zones of a basic nuclear installation, where technical conditions do not allow the source of…
The provisions of this paragraph apply in the case of mobile or portable equipment emitting ionising radiation where the effective dose assessed at 1 metre from the source of ionising radiation is greater than 0.0025 millisieverts integrated over one hour. These provisions do not apply if the equipment is used in a fixed position or routinely in the same room or on the move.
I.-For the equipment mentioned in Article R. 4451-27, the employer shall identify and define an operating area such that the effective dose at its periphery remains below 0.025 millisieverts, integrated over one hour. II – When the equipment is used inside a supervised or controlled area already defined for another source of ionising radiation, the employer must adapt the definition of the operating area.
I – The employer shall restrict access to the operation zone to authorised workers only. II – The procedure used to identify each operating area and to define the technical and organisational measures adopted by the employer must be recorded in a form which allows consultation for a period of at least ten years.
Access to areas defined in accordance with articles R. 4451-24 and R. 4451-28 is restricted to workers classified in accordance with article R. 4451-57.
Access by a worker classified in an orange or red controlled zone is subject to individual authorisation issued by the employer. Access to the red controlled zone is exceptional and is recorded by name on each entry.
Unclassified workers may have access to a blue or green supervised zone and to a radon zone subject to authorisation by the employer on the basis of the individual assessment of the risk due to ionising radiation provided for in article R. 4451-52. These workers may also, for a reason justified in advance, have access to a yellow controlled zone. In such cases, the employer will implement special preventive measures,…
The employer shall define individual dose constraints relevant to foreseeable exposures for workers as: 1° Effective dose over twelve months for regular activity in controlled zones, extremity zones or radon zones referred to in Article R. 4451-23; 2° Effective dose over the duration of the intervention for work in yellow, orange or red controlled areas mentioned in article R. 4451-23 or in an operating area when industrial radiology equipment requiring…
I.-For the purposes of preventive radiological monitoring and alerting in the event of abnormal exposure, the employer shall fit an operational dosimeter to: 1° Any worker entering a controlled area defined in 1° of I of Article R. 4451-23; 2° Workers classified within the meaning of Article R. 4451-57, authorised to carry out handling in an extremity zone defined in 3° of I of Article R. 4451-23; 3° Workers classified…
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is a Registered Trademark of
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182, rue de Rivoli
75001, Paris France
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is a Registered Trademark of
PETROFF LAW FIRM (SELARL LEGASTRAT)
182, rue de Rivoli
75001, Paris France
RCS Paris n°814433470
Paris Bar Registration n° (Toque) C2396
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