Abstract:conducted for various reasons, mostly time consuming and costly. This study aimed to shorten the fit testing procedures by improving the instrumental settings, sampling system design, and data analysis protocols. Methods Experiments of fit factor measurements were divided into two parts: constant flow and cyclic flow using a breathing simulator. To simulate leakage, capillaries (10 mm in length, diameter 1.0-1.5 mm) were used to insert on N95 and N100 filtering facepieces. The ratio of total to leak flow was c… Show more
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