# portable fire extinguishers · Annual maintenance · OSHA 29 CFR 1910.157 — Fire extinguisher inspection, maintenance and hydrostatic test intervals by agent type

For portable fire extinguishers · Annual maintenance · OSHA 29 CFR 1910.157, extinguishing agent / type is portable fire extinguishers; service obligation is Annual maintenance; interval is annual maintenance check; authority is OSHA 29 CFR 1910.157, recorded from its source on 2026-08-19.

- **Extinguishing agent / type:** portable fire extinguishers _(verified: appears in the quote below)_
- **Service obligation:** Annual maintenance _(our reading, not quoted from the source)_
- **Interval:** annual maintenance check _(verified: appears in the quote below)_
- **Authority:** OSHA 29 CFR 1910.157 _(our reading, not quoted from the source)_

## What the source says

> The employer shall assure that portable fire extinguishers are subjected to an annual maintenance check. Stored pressure extinguishers do not require an internal examination. The employer shall record the annual maintenance date and retain this record for one year after the last entry or the life of the shell, whichever is less.

## Source

- https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-L/section-1910.157

Last verified: 2026-08-19. Review by: 2027-08-19.
Part of [Fire extinguisher inspection, maintenance and hydrostatic test intervals by agent type](https://referencesource.org/fire-extinguisher-inspection-testing-intervals-by-type/).