ISO 1999:1990 PDF
Acoustics — Determination of occupational noise exposure and estimation of noise-induced hearing impairment
Title (English):
ISO 1999:1990
Acoustics — Determination of occupational noise exposure and estimation of noise-induced hearing impairment
- Document status:
- Withdrawn
- Format:
- Electronic (PDF)
- Number of pages:
- 22
- Publication date:
- January 18, 1990
- Edition:
- ISO IS 1999 edition 2 version 1
- ICS:
- 13.140
Description (English):
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.
Technical details
- Technical committee
- ISO/TC 43/SC 1 - Noise
- SKU
- ISO 1999:1990
