Patent ID: 8192523
Filing Date: 2012-06-05
Classification: B03C

Abstract:
1. A process for the quantitative fit-testing of a respirator, comprising: fitting a respirator having a filter to an individual, said respirator cooperating with the individual's face to define an internal breathing chamber; collecting a first aerosol sample from outside of said respirator; collecting a second aerosol sample from said breathing chamber; separating elements suspended in said first aerosol sample according to a first element characteristic; concentrating said first aerosol sample to produce a first modified aerosol sample; separating elements suspended in said second aerosol sample according to said first element characteristic; concentrating said second aerosol sample to produce a second modified aerosol sample; and generating first and second aerosol concentration values to indicate concentrations of selected suspended elements having said first element characteristic in said first and second modified sample, respectively.