The employer shall assess the risks resulting from the exposure of workers to ionising radiation by seeking the assistance of the employee referred to in I of Article L. 4644-1 or, if he has already appointed one, of the radiation protection advisor.
The main purpose of this assessment is:
1° To identify which of the exposure limit values laid down in articles R. 4451-6, R. 4451-7 and R. 4451-8 are relevant to the work situation;
2° To establish whether, in a given situation, the reference level for radon laid down in article R. 4451-10 is likely to be exceeded;
3° to determine, when the risk cannot be neglected from the point of view of radiation protection, the preventive measures and means defined in section 5 of this chapter that must be implemented;
4° Determining the conditions of employment of workers as defined in section 7 of this chapter.