# ISO/TS 16976-4:2019 — Withdrawn and superseded ISO standards

For ISO/TS 16976-4:2019, item title is Respiratory protective devices — Human factors — Part 4: Work of breathing and breathing resistance: Physiologically based limits; status code is 9599; successor is ISO 16976-4:2023; withdrawn / published date is 2019-03-29, recorded from its source on 2026-08-05.

- **Identifier:** ISO/TS 16976-4:2019 _(verified: appears in the quote below)_
- **Item title:** Respiratory protective devices — Human factors — Part 4: Work of breathing and breathing resistance: Physiologically based limits _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 16976-4:2023
- **Withdrawn / published date:** 2019-03-29 _(verified: appears in the quote below)_

## What the source says

> 73210,TS,,ISO/TS 16976-4:2019,Respiratory protective devices — Human factors — Part 4: Work of breathing and breathing resistance: Physiologically based limits,Appareils de protection respiratoire — Facteurs humains — Partie 4: Travail de respiration et résistance respiratoire: limites physiologiques,2019-03-29,2,['13.340.30'],ISO/TC 94/SC 15,9599,[53361],[81707],"['en','fr']",16,"<p>This document describes how to calculate the work performed by a person's respiratory muscles with and without the external respiratory impediments that are imposed by RPD of all kinds, except diving equipment. This Document describes how much additional impediment people can tolerate and contains values that ca

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).