NF S31-013

Acoustics. Determination of occupational noise exposure and estimation of noise-induced hearing impairment of exposed populations.

La présente norme définit les principes généraux d'évaluation de l'exposition au bruit en milieu professionnel sous forme de détermination du niveau quotidien d'exposition sonore et, le cas échéant, du niveau de pression acoustique de crête. Sur la base de ce critère d'évaluation, la présente norme décrit, sur le plan statistique, l'estimation du déficit auditif induit par le bruit, en fonction de l'âge et du sexe des populations exposées, du nombre d'années et du niveau d'exposition, pour lesfréquences audiométriques usuelles comprises entre 500 Hz et 6 000 Hz. Elle propose également l'utilisation d'un indicateur précoce d'alerte du risque de surdité professionnelle.

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