When is a fit test required?
An employee required to use a negative or positive pressure tight-fitting respirator must undergo a fit test with the same make, model, style and size of respirator, according to OSHA regulations. The fit test must be performed:
- Before initial use
- Whenever a different style, size, model or make is used
- At least annually thereafter
- If changes in an employee’s physical condition affects the fit (dental changes, cosmetic surgery, obvious change in body weight)