# ISO 22578-2:2024 — Withdrawn and superseded ISO standards

For ISO 22578-2:2024, item title is Graphical symbols — Safety colours and safety signs — Part 2: Measurement of photopic luminance of phosphorescent components used in a natural disaster safety way guidance system; status code is 9599; successor is ISO 22578:2025; withdrawn / published date is 2024-02-27, recorded from its source on 2026-08-05.

- **Identifier:** ISO 22578-2:2024 _(verified: appears in the quote below)_
- **Item title:** Graphical symbols — Safety colours and safety signs — Part 2: Measurement of photopic luminance of phosphorescent components used in a natural disaster safety way guidance system _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 22578:2025
- **Withdrawn / published date:** 2024-02-27 _(verified: appears in the quote below)_

## What the source says

> 85820,IS,,ISO 22578-2:2024,Graphical symbols — Safety colours and safety signs — Part 2: Measurement of photopic luminance of phosphorescent components used in a natural disaster safety way guidance system,Symboles graphiques — Couleurs de sécurité et signaux de sécurité — Partie 2: Titre manque,2024-02-27,1,['01.080.10'],ISO/TC 145/SC 2,9599,,[89867],['en'],6,<p class='MsoBodyText'><span lang='EN-GB'>This document specifies the laboratory test method for the measurement of photopic luminance of phosphorescent materials classified in accordance with ISO 22578.</span></p>

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).