# ISO 19703:2010 — Withdrawn and superseded ISO standards

For ISO 19703:2010, item title is Generation and analysis of toxic gases in fire — Calculation of species yields, equivalence ratios and combustion efficiency in experimental fires; status code is 9599; successor is ISO 19703:2018; withdrawn / published date is 2010-06-07, recorded from its source on 2026-08-05.

- **Identifier:** ISO 19703:2010 _(verified: appears in the quote below)_
- **Item title:** Generation and analysis of toxic gases in fire — Calculation of species yields, equivalence ratios and combustion efficiency in experimental fires _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 19703:2018
- **Withdrawn / published date:** 2010-06-07 _(verified: appears in the quote below)_

## What the source says

> 51335,IS,,ISO 19703:2010,"Generation and analysis of toxic gases in fire — Calculation of species yields, equivalence ratios and combustion efficiency in experimental fires","Production et analyse des gaz toxiques dans le feu — Calcul des taux de production des espèces, des rapports d'équivalence et de l'efficacité de combustion dans les feux expérimentaux",2010-06-07,2,['13.220.01'],ISO/TC 92/SC 3,9599,[33864],[70652],"['en','fr']",35,<p>ISO 19703:2010 provides definitions and equations for the calculation of toxic product yields and the fire conditions under which they have been derived in terms of equivalence ratio and combustion efficiency. Sample calculations for practical cases are pro

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).