# ISO 14520-6:2000 — Withdrawn and superseded ISO standards For ISO 14520-6:2000, item title is Gaseous fire-extinguishing systems — Physical properties and system design — Part 6: HCFC Blend A extinguishant; status code is 9599; successor is ISO 14520-6:2006; withdrawn / published date is 2000-08-10, recorded from its source on 2026-08-05. - **Identifier:** ISO 14520-6:2000 _(verified: appears in the quote below)_ - **Item title:** Gaseous fire-extinguishing systems — Physical properties and system design — Part 6: HCFC Blend A extinguishant _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 14520-6:2006 - **Withdrawn / published date:** 2000-08-10 _(verified: appears in the quote below)_ ## What the source says > 28024,IS,,ISO 14520-6:2000,Gaseous fire-extinguishing systems — Physical properties and system design — Part 6: HCFC Blend A extinguishant,"Systèmes d'extinction d'incendie utilisant des agents gazeux — Propriétés physiques et conception des systèmes — Partie 6: Agent extincteur HCFC, mélange A",2000-08-10,1,['13.220.10'],ISO/TC 21/SC 8,9599,,[39789],"['en','fr']",8, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).