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Total Inward Leakage Measurement of Particulates for N95

Test subjects. Thirty five subjects were tested for TIL measurement with each of the five FFR models in both test laboratories. The NIOSH bivariate panel was used for placement of test subjects in specific face length by face width cells (Zhuang et al., 2008).This study was approved by the NIOSH Human Subject Review Board, and all subjects gave written consent to participate.

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