Safety and power · safety
Assigned protection factor
Also known as APF.
The workplace respiratory-protection level expected from a properly selected and used respirator class.
Safety notes
- Use it with measured concentration, hazard limits, fit, cartridge, oxygen, and program requirements.
- Applicable law, permits, collective agreements, venue rules, and qualified-person decisions take precedence.
In practice
Use it with measured concentration, hazard limits, fit, cartridge, oxygen, and program requirements.
Explore related entries
Sources
- Recommended Practices for Safety and Health Programs · Occupational Safety and Health Administration
- Safety Bulletins · Contract Services Administration Trust Fund
Educational reference only. Requirements vary by jurisdiction, employer, venue, and production context.