ISO 1999:1990
Acoustics — Determination of occupational noise exposure and estimation of noise-induced hearing impairment
Reference number
ISO 1999:1990
Edición 2
1990-01
Retirada
ISO 1999:1990
6759
Retirada (Edición 2, 1990)

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.

Informaciones generales

  •  : Retirada
     : 1990-01
    : Retirada de la Norma Internacional [95.99]
  •  : 2
     : 17
  • ISO/TC 43/SC 1
    13.140 
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