Resumen
Prescribes a practical relation for these quanitities expressed as A-weighted noise level in dB and duration of exposure within a normal working week (40 hours) and the percentage of personnel that is to be expected to obtain a raised hearing threshold of 25 dB or more as a result of this exposure, averaged from 500, 1000 and 2000 Hz.
Informaciones generales
-
Estado: RetiradaFecha de publicación: 1990-01Etapa: Retirada de la Norma Internacional [95.99]
-
Edición: 2Número de páginas: 17
-
Comité Técnico :ISO/TC 43/SC 1ICS :13.140
- RSS actualizaciones
Ciclo de vida
-
Anteriormente
RetiradaISO 1999:1975
-
Ahora
-
Revisada por
PublicadoISO 1999:2013