ISO 1999:1990

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

Publication date: 18 jan 1990

95.99 Withdrawal of Standard 23 sht 2013

General information

Current stage: 95.99 Effective date: 23 sht 2013

Originator: ISO

Owner: ISO/TC 43/SC 1

Type: International Standard

ICS: 13.140

Gjuha: frëngjisht anglisht

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Statusi: Shfuqizuar

PDF - 7 350 Lekë

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 1999:1975

NOW

WITHDRAWN
ISO 1999:1990
95.99 Withdrawal of Standard
23 sht 2013

REVISED BY

PUBLISHED
ISO 1999:2013