When performing respirator selection, which step directly assesses the seal quality?

When performing respirator selection, which step directly assesses the seal quality?

• A. Fit test
• B. Visual check
• C. Weight measurement
• D. Temperature check

Answer: (A)

Ensuring a respirator actually seals to the face is essential for it to protect you. The step that directly assesses that seal quality is the fit test. During a fit test you wear the respirator and perform movements and speaking tasks while a test agent or instrument detects whether air leaks around the edges. This confirms whether the chosen model and size can achieve a tight, leak-free seal for that user in real use. A visual check can catch obvious issues like damaged straps or a cracked facepiece, but it doesn’t prove that the seal will hold under movement. Weight or temperature checks aren’t used to evaluate seal quality.

Ensuring a respirator actually seals to the face is essential for it to protect you. The step that directly assesses that seal quality is the fit test. During a fit test you wear the respirator and perform movements and speaking tasks while a test agent or instrument detects whether air leaks around the edges. This confirms whether the chosen model and size can achieve a tight, leak-free seal for that user in real use.

A visual check can catch obvious issues like damaged straps or a cracked facepiece, but it doesn’t prove that the seal will hold under movement. Weight or temperature checks aren’t used to evaluate seal quality.