# ISO 4422:1990/Amd 1:1992 — Withdrawn and superseded ISO standards For ISO 4422:1990/Amd 1:1992, item title is Pipes and fittings made of unplasticized poly(vinyl chloride) (PVC-U) for water supply — Specifications — Amendment 1; status code is 9599; successor is ISO 4422-1:1996 | ISO 4422-3:1996 | ISO 4422-5:1997 | ISO 4422-2:1996 | ISO 4422-4:1997; withdrawn / published date is 1992-10-29, recorded from its source on 2026-08-05. - **Identifier:** ISO 4422:1990/Amd 1:1992 _(verified: appears in the quote below)_ - **Item title:** Pipes and fittings made of unplasticized poly(vinyl chloride) (PVC-U) for water supply — Specifications — Amendment 1 _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 4422-1:1996 | ISO 4422-3:1996 | ISO 4422-5:1997 | ISO 4422-2:1996 | ISO 4422-4:1997 - **Withdrawn / published date:** 1992-10-29 _(verified: appears in the quote below)_ ## What the source says > 10332,IS,Amd,ISO 4422:1990/Amd 1:1992,Pipes and fittings made of unplasticized poly(vinyl chloride) (PVC-U) for water supply — Specifications — Amendment 1,Tubes et raccords en poly(chlorure de vinyle) non plastifié (PVC-U) pour l'adduction d'eau — Spécifications Tubes et raccords en poly (chlorure de vinyle) non plastifié (PVC-U) pour l'adduction d'eau — Spécifications — Amendement 1,1992-10-29,1,"['91.140.60','83.140.30']",ISO/TC 138/SC 2,9599,,"[21096,22385,22386,22384,25967]","['en','fr']",1, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).