Handlevagon
Standard

ISO 1999:1990

Tilbaketrukket

Obs: Denne standarden har et forslag: ISO/DIS 1999

Forhåndsvisning

Rettelser og tillegg kjøpes separat.

Språk
Tjenester

Omfang

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.

Dokumentinformasjon

  • Standard fra ISO
  • Publisert:
  • Tilbaketrukket:
  • products.specs.Expires:
  • Utgave: 2
  • Versjon: 1
  • Varetype: IS
  • Products.Specs.pages
  • ICS 13.140
  • ISO TC ISO/TC 43/SC 1

Produktrelasjon

Produkt livssyklus