ISO 1999:1990
Withdrawn
View Superseded by
Acoustics — Determination of occupational noise exposure and estimation of noise-induced hearing impairment
Hardcopy , PDF
English, French
01-18-1990
11-02-2025
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.
| Committee |
ISO/TC 43/SC 1
|
| DocumentType |
Standard
|
| Pages |
17
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| AS ISO 1999-2003 | Identical |
| UNE 74023:1992 | Identical |
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