Which method of fit testing is considered superior?

The quantitative fit testing method is regarded as superior because it provides precise measurements to determine whether a respirator fits the wearer effectively. This method uses sophisticated equipment to measure the amount of particles outside the mask compared to the amount of particles inside the mask while the person is performing specific exercises.

The quantitative approach generates numerical data that can express a fit factor, which indicates how well the respirator fits in terms of sealing effectiveness. This level of accuracy allows for a reliable assessment of the respirator's performance, ensuring that it protects the user adequately from airborne contaminants, such as asbestos fibers.

On the other hand, qualitative fit testing relies on subjective assessments and individual sensations (such as taste or smell) to gauge fit, which introduces variability and potential inaccuracy, making it less reliable in comparison to quantitative methods. Therefore, the quantitative method's objective nature and focus on measurable data position it as the superior option for fit testing respiratory protection.