Fit-testing

Fit-testing is a process of testing the effectiveness of a respirator's seal to the face of the wearer. In aviation, fit-testing is mandatory for flight crew and ground personnel who are required to wear respiratory protection equipment during their duties. The fit-testing process involves the use of specialized equipment to measure the amount of leakage around the respirator's seal. The results of the test determine whether the respirator fits properly and provides adequate protection against airborne contaminants. Fit-testing is an essential component of a respiratory protection program and helps to ensure the safety and health of aviation personnel.
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