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ISO 1999:1990

Acoustics — Determination of occupational noise exposure and estimation of noise-induced hearing impairment

Standard Details

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.

General Information

Status : WITHDRAWN
Standard Type: Main
Document No: ISO 1999:1990
Document Year: 1990
Pages: 17
Edition: 2
  • ICS:
  • 13.140 Noise with respect to human beings

Life Cycle

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WITHDRAWN
ISO 1999:1990
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