Author: Destie Provenzano; Yuan James Rao; Konstantin Mitic; Sofian N Obaid; Jeffrey Berger; Sharad Goyal; Murray H Loew
Title: Alternative Qualitative Fit Testing Method for N95 Equivalent Respirators in the Setting of Resource Scarcity at the George Washington University Document date: 2020_4_11
ID: 3khv6yrc_5
Snippet: 2.0 Methods: Current OSHA Recommendations: The United States Occupational Safety and Health Administration defines two official methods for fit testing of N95 equivalent masks: qualitative using four substances that a user can smell or taste, and quantitative that look for negative pressure and aerosol. (OSHA, regulation 1910.134) vii The four qualitative methods as defined above are Isoamyl acetate, which smells like bananas; Saccharin, which le.....
Document: 2.0 Methods: Current OSHA Recommendations: The United States Occupational Safety and Health Administration defines two official methods for fit testing of N95 equivalent masks: qualitative using four substances that a user can smell or taste, and quantitative that look for negative pressure and aerosol. (OSHA, regulation 1910.134) vii The four qualitative methods as defined above are Isoamyl acetate, which smells like bananas; Saccharin, which leaves a sweet taste in the mouth; Bitrex (denatonium benzoate), which leaves a bitter taste in the mouth; and Irritant smoke, which can cause coughing. OSHA also defines three quantitative methods of generated aerosol, ambient aerosol, and controlled negative pressure.
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