# ISO 20785-4:2019 — Withdrawn and superseded ISO standards For ISO 20785-4:2019, item title is Dosimetry for exposures to cosmic radiation in civilian aircraft — Part 4: Validation of codes; replacement named by the register is ISO 20785-4:2026; publication date is 2019-05-20, verified against its source on 2026-09-14. - **Identifier:** ISO 20785-4:2019 _(verified: appears in the quote below)_ - **Item title:** Dosimetry for exposures to cosmic radiation in civilian aircraft — Part 4: Validation of codes _(verified: appears in the quote below)_ - **Replacement named by the register:** ISO 20785-4:2026 _(verified: appears in its own passage below)_ - **Publication date:** 2019-05-20 _(verified: appears in the quote below)_ ## What the source says > 66895,IS,,ISO 20785-4:2019,Dosimetry for exposures to cosmic radiation in civilian aircraft — Part 4: Validation of codes,Dosimétrie pour l'exposition au rayonnement cosmique à bord d'un avion civil — Partie 4: Validation des codes,2019-05-20,1,"['13.280','49.020']",ISO/TC 85/SC 2,9599,,[92084],"['en','fr']",8 ## Where each value comes from This source states these in separate places, so each value is shown with the passage that states it. ### Replacement named by the register > 92084,IS,,ISO 20785-4:2026,Dosimetry for exposures to cosmic radiation in civilian aircraft — Part 4: Validation of codes,Dosimétrie pour les expositions au rayonnement cosmique à bord d'un avion civil — Partie 4: Validation des codes,2026-09-02,2,"['13.280','49.020']",ISO/TC 85/SC 2,6060,[66895],,"['en','fr']",7 ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-09-14. Review by: 2027-03-13. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).