# ISO 140-2:1978 — Withdrawn and superseded ISO standards For ISO 140-2:1978, item title is Acoustics — Measurement of sound insulation in buildings and of building elements — Part 2: Statement of precision requirements; status code is 9599; successor is ISO 140-2:1991; withdrawn / published date is 1978-07-01, recorded from its source on 2026-08-05. - **Identifier:** ISO 140-2:1978 _(verified: appears in the quote below)_ - **Item title:** Acoustics — Measurement of sound insulation in buildings and of building elements — Part 2: Statement of precision requirements _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 140-2:1991 - **Withdrawn / published date:** 1978-07-01 _(verified: appears in the quote below)_ ## What the source says > 3955,IS,,ISO 140-2:1978,Acoustics — Measurement of sound insulation in buildings and of building elements — Part 2: Statement of precision requirements,Acoustique — Mesurage de l'isolation acoustique des immeubles et des éléments de construction — Partie 2: Spécifications relatives à la fidélité,1978-07-01,1,['91.120.20'],ISO/TC 43,9599,,[3956],"['en','fr']",5, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).