ISO 1999:1990
For ISO 1999:1990, item title is Acoustics — Determination of occupational noise exposure and estimation of noise-induced hearing impairment; status code is 9599; successor is ISO 1999:2013; withdrawn / published date is 1990-01-18, recorded from its source on 2026-08-05.
- Identifier
- ISO 1999:1990 verified
- Item title
- Acoustics — Determination of occupational noise exposure and estimation of noise-induced hearing impairment verified
- Status code
- 9599 verified
- Successor
- ISO 1999:2013
- Withdrawn / published date
- 1990-01-18 verified
Verified
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What the source says
6759,IS,,ISO 1999:1990,Acoustics — Determination of occupational noise exposure and estimation of noise-induced hearing impairment,Acoustique — Détermination de l'exposition au bruit en milieu professionnel et estimation du dommage auditif induit par le bruit,1990-01-18,2,['13.140'],ISO/TC 43/SC 1,9599,[6758],[45103],"['en','fr']",17,"<p>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.</p>"
— isopublicstorageprod.blob.core.windows.net, retrieved 2026-08-05
Source
- isopublicstorageprod.blob.core.windows.nethttps://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv