Distribution of faceseal leak sites on a half-mask respirator and their association with facial dimensions.

@article{Oestenstad1990DistributionOF,
  title={Distribution of faceseal leak sites on a half-mask respirator and their association with facial dimensions.},
  author={Riedar Kent Oestenstad and H K Dillion and Laura L. Perkins},
  journal={American Industrial Hygiene Association journal},
  year={1990},
  volume={51 5},
  pages={285-90}
}
Faceseal leaks on one brand of half-mask respirator worn by 73 human subjects were identified by deposition of a fluorescent tracer aerosol during a standard quantitative fit test. The identified leaks were categorized according to their location and shape. It was found that about 89% of all observed leaks occurred at the nose or chin or were multiple leaks which included these sites. Fit factors for these types of leaks were significantly lower than for other types of leaks. About 73% of all… CONTINUE READING

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