ISO 1999:1990
Acoustics — Determination of occupational noise exposure and estimation of noise-induced hearing impairment
| Fecha de anulación: |
2013-09-23
Anulada
|
|---|---|
| Idiomas disponibles: | Francés, Inglés |
| 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. |
| ICS: | 13.140 - Ruido y sus efectos sobre las personas |
| CTN: | ISO/TC 43/SC 1 - 48474 |
|
Anulaciones Normas |
Anula a ISO 1999:1975 Es anulada por ISO 1999:2013 |
|
Equivalencia Internacional |
Idéntica UNE 74023:1992 |










