𝗪𝗵𝘆 𝗙𝗶𝘁 𝗧𝗲𝘀𝘁 ❓ A respirator fit test checks that respiratory protective equipment (RPE) fits the worker correctly and forms an effective seal to the face. It is a critical step for protecting worker health because respiratory protective equipment will not provide proper protection against airborne hazards if it does not fit properly. A successful fit test helps ensure contaminated air is minimised as much as reasonbaly practicle, checkibg for leaks into the respirator. A fit test aids