# Respiratory protection — OSHA medical surveillance trigger thresholds by substance

For Respiratory protection, cfr section is 1910.134; action level is not applicable (equipment standard); pel is not applicable (equipment standard); surveillance trigger is Before the employee is fit tested or required to use the respirator in the workplace; exam frequency is Prior to initial use; additional evaluations if employee reports medical signs or symptoms related to ability to use a respirator, or if workplace conditions change, recorded from its source on 2026-08-12.

- **Substance:** Respiratory protection _(verified: appears in the quote below)_
- **CFR section:** 1910.134 _(verified: appears in the quote below)_
- **Action level:** not applicable (equipment standard)
- **PEL:** not applicable (equipment standard)
- **Surveillance trigger:** Before the employee is fit tested or required to use the respirator in the workplace
- **Exam frequency:** Prior to initial use; additional evaluations if employee reports medical signs or symptoms related to ability to use a respirator, or if workplace conditions change
- **Record retention:** Records of medical evaluations required by this section must be retained and made available in accordance with 29 CFR 1910.1020

## What the source says

> 1910.134 Respiratory protection." /> 29 CFR §

## Source

- https://www.law.cornell.edu/cfr/text/29/1910.134

Last verified: 2026-08-12. Review by: 2027-02-08.
Part of [OSHA medical surveillance trigger thresholds by substance](https://referencesource.org/osha-medical-surveillance-triggers/).