![]() ![]() Regulations are specific that nothing – be it facial hair or any other condition or article of clothing - should be permitted in the sealing area of a tight-fitting respirator or allowed to interfere with respirator valve function – and that respirator fit testing should not be conducted on people for whom this is the case. See the infographic below from the CDC that shows which types of facial hair patterns are acceptable for tight fitting respirators: The OSHA Respiratory Protection Standard (.134) prohibits fit testing of employees if there is any hair growth between the skin and facepiece sealing surface, such as stubble beard growth, beard, moustache, or sideburns which cross the respirator sealing surface. When any facial changes occur that could affect fit, such as significant facial hair, weight fluctuation or dental work. Whenever a different size, style, model or make of respirator is used. In addition, fit tests should be performed: ![]() Fit testing is required in the US by the Occupational Safety and Health Administration (OSHA) before a user wears a mandatory respirator on the job, and must be assessed at least annually. To avoid this, fit testing is required for employees wearing tight-fighting respirators, such as disposable or reusable respirators. ![]()
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