# ISO 140-2:1991 — Withdrawn and superseded ISO standards

For ISO 140-2:1991, item title is Acoustics — Measurement of sound insulation in buildings and of building elements — Part 2: Determination, verification and application of precision data; status code is 9599; successor is ISO 12999-1:2014; withdrawn / published date is 1991-06-20, recorded from its source on 2026-08-05.

- **Identifier:** ISO 140-2:1991 _(verified: appears in the quote below)_
- **Item title:** Acoustics — Measurement of sound insulation in buildings and of building elements — Part 2: Determination, verification and application of precision data _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 12999-1:2014
- **Withdrawn / published date:** 1991-06-20 _(verified: appears in the quote below)_

## What the source says

> 3956,IS,,ISO 140-2:1991,"Acoustics — Measurement of sound insulation in buildings and of building elements — Part 2: Determination, verification and application of precision data","Acoustique — Mesurage de l'isolation acoustique des immeubles et des éléments de construction — Partie 2: Détermination, vérification et application des données de fidélité",1991-06-20,2,['91.120.20'],ISO/TC 43/SC 2,9599,[3955],[36492],"['en','fr']",13,

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).