A fitted respirator is a matter of safety
For a respirator to fit properly, the respirator must make a tight seal with the users face and neck. A poorly fitting mask will allow potentially hazardous substances to enter your mask and the wearer could then breathe in those substances. In order to ensure the appropriate size and fit, all respirator users should have a Respirator Fit Test performed upon new hire, upon receipt of a new mask or annually to ensure fit. Common reasons for a poor fitting mask include but are not limited to:
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Incorrect mask size,
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Fluctuations in body weight,
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Recent dental work,
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Facial surgery, and/or,
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Facial hair.
Why does your respirator need to be fitted?
OSHA Respirator Fit Testing Content and Video
Ensuring the correct respirator fit and proper usage is critical to your safety and the safety of your workplace. Wearing a respirator incorrectly, lacking a tight fit or using the wrong sized mask can result in the inhalation of dangerous chemicals or substances and jeopardize the safety of your workplace.