ISO 1999:1975

Issue date: 1975 08 01

Acoustics — Assessment of occupational noise exposure for hearing conservation purposes

Withdrawn: 1990 01 01

Publisher:

International Organization for Standardization

Format:

Digital | 6 Pages

Language:

English

Currently valid:

ICS

Topics

Norm timeline

Normative References

ISO 1999:2013

2013 09 23

Acoustics — Estimation of noise-induced hearing loss

Norm

ISO 1999:1990

1990 01 18

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

Norm

ISO 1999:1975

1975 08 01

Acoustics — Assessment of occupational noise exposure for hearing conservation purposes

Norm

↖

ISO/R 1999:1971

1971 01 15

Acoustics — Assessment of occupational noise exposure for hearing conservation purposes

Technische Regel

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Norm

ISO 1999:1990

Issue date : 1990 01 18

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