What steps should be followed to properly fit-test a respirator?

What steps should be followed to properly fit-test a respirator?

Fit-testing is a critical part of ensuring a respirator effectively protects the wearer. Here are the steps for conducting a fit test:
  1. Check the Respirator: Examine the respirator for damage and ensure it’s the correct size and model for the wearer.
  2. Don the Respirator: The wearer should put on the respirator, adjusting straps for a comfortable fit.
  3. Perform a User Seal Check: The wearer should conduct a positive and negative pressure user seal check to ensure an initial seal has been made.
  4. Conduct the Fit Test: Depending on whether a qualitative or quantitative fit test is being used, follow the respective procedures for conducting the test. This may involve performing exercises such as bending, talking, or turning the head.
  5. Evaluate the Results: If a qualitative fit test was used, the wearer should not have detected the test substance. If a quantitative fit test was used, the measured fit factor should meet or exceed the minimum requirement for the respirator type.
  6. Record the Results: The results of the fit test should be recorded, including the date, type of test, make, model, and size of the respirator.
If a proper fit isn't achieved, the wearer may need a different size or model of respirator. Fit testing should be performed at least annually or whenever a different respirator is used.
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