Respirator Basics
29 CFR 1910.134 · 29 CFR 1926.1153 · This talk in Spanish
This talk is in the 52-talk Year Pack, each talk with a sign-in sheet, in one PDF: Toolbox Talk Year Pack, $19 →
Why it matters
A respirator with a gap is a placebo. Before anyone has to wear a tight-fitting respirator, OSHA requires a medical evaluation, then a fit test on the same make, model, and size, repeated at least once a year. Facial hair that gets between the mask and the face is not allowed, and a seal check comes every time you put it on.
Hazards
- ⚠ Wearing a dust mask where a half-face respirator is required
- ⚠ Wrong cartridge for the contaminant: dust filters against solvent vapors
- ⚠ Facial hair breaking the seal
- ⚠ Dirty, clogged, or expired filters increasing breathing effort
- ⚠ No medical evaluation before respirator use
Controls and safe practices
- ✓ Respirator use requires medical evaluation and fit testing first, per 1910.134(e) and (f).
- ✓ Match the filter to the hazard: particle filters for dust and silica, gas and vapor cartridges for solvents, and combination cartridges when both are present.
- ✓ Seal check every donning: cover and inhale, cover and exhale, feel for leaks.
- ✓ Clean-shaven where the mask seals. That is the rule that gets argued and the rule that matters most.
- ✓ Store respirators in a bag, not hanging on a nail in the dust; replace filters on schedule or when breathing hardens.
- ✓ Voluntary N95 use still requires the Appendix D information.
What the OSHA standard says
Exact words from the official text, with a link to each paragraph.
“The employer shall provide a medical evaluation to determine the employee's ability to use a respirator, before the employee is fit tested or required to use the respirator in the workplace.”
“The employer shall ensure that an employee using a tight-fitting facepiece respirator is fit tested prior to initial use of the respirator, whenever a different respirator facepiece (size, style, model or make) is used, and at least annually thereafter.”
“The employer shall not permit respirators with tight-fitting facepieces to be worn by employees who have: (A) Facial hair that comes between the sealing surface of the facepiece and the face or that interferes with valve function”
“For all tight-fitting respirators, the employer shall ensure that employees perform a user seal check each time they put on the respirator”
“If the employer determines that any voluntary respirator use is permissible, the employer shall provide the respirator users with the information contained in appendix D to this section”
Site check before the talk
Walk the site and tick each line. Each line comes from the text quoted above.
- ☐Every required respirator user had a medical evaluation before fit testing or use. (29 CFR 1910.134(e)(1))
- ☐Fit tested on the same respirator you wear, and again at least once a year. (29 CFR 1910.134(f)(2))
- ☐No facial hair where a tight-fitting mask seals to the face. (29 CFR 1910.134(g)(1)(i))
- ☐Do a seal check every time you put the respirator on. (29 CFR 1910.134(g)(1)(iii))
- ☐Anyone wearing a respirator by choice got the Appendix D information sheet. (29 CFR 1910.134(c)(2)(i))
Quotes checked word for word against the official eCFR text on October 5, 2026. This is a summary for a crew talk, not legal advice; the full official text governs. How we check
Crew discussion questions
- Which tasks today actually require respiratory protection?
- Who has been fit tested in the last 12 months?
- Are the right cartridges on hand for today’s exposures?
- Where are respirators being stored between uses?
Applicable OSHA standards
29 CFR 1910.134, 29 CFR 1926.1153
Download the print-ready PDF with sign-in sheet
Free. We email you the PDF, and that is it.
GC asking for a safety plan?
We generate your site-specific safety plan in under 30 minutes, with every OSHA citation checked against our standards table, and a Spanish version for your crew.
Build your plan for $49More toolbox talks
- New Worker Site Orientation
- Wind and Weather Hazards
- Chainsaw Safety
- Scaffold Erection and Dismantling
- Supported Scaffold Inspection Points
- Suspended Scaffolds and Swing Stages
Talks by trade
RoofingElectricalHVAC / MechanicalGeneral ContractorAll toolbox talks
Safety documents
Site-specific safety plan, $49JHA, $29Written safety program, $149