# ISO 4869:1981 — Withdrawn and superseded ISO standards

For ISO 4869:1981, item title is Acoustics — Measurement of sound attenuation of hearing protectors — Subjective method; status code is 9599; successor is ISO 4869-1:1990; withdrawn / published date is 1981-12-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4869:1981 _(verified: appears in the quote below)_
- **Item title:** Acoustics — Measurement of sound attenuation of hearing protectors — Subjective method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4869-1:1990
- **Withdrawn / published date:** 1981-12-01 _(verified: appears in the quote below)_

## What the source says

> 10849,IS,,ISO 4869:1981,Acoustics — Measurement of sound attenuation of hearing protectors — Subjective method,Acoustique — Mesurage d'affaiblissement acoustique des protecteurs individuels contre le bruit — Méthode subjective,1981-12-01,1,['13.340.20'],ISO/TC 43,9599,,[10850],"['en','fr']",4,

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).