Facial hair during respirator fit

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information.
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To Beard or not to Beard? That’s a good Question!

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To Beard or not to Beard? That’s a good Question! | Blogs | CDC

This blog and infographic from are intended for workers who wear respirators at work. The month of November is full of fun, interesting, and thought-provoking observances. November is also the host month to campaigns like No-Shave November and Movember. Campaigns such as these are working hard to raise money for important causes such as cancer research, education, and awareness. These increasingly popular campaigns are a great way to demonstrate your support … unless you need to wear a tight-fitting respirator for your job.
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Facial hair and respirator fit: a review of the literature

Oil and water. Polka dot and stripes. Facial hair and respirators. It is important to achieve a tight fit for two reasons.
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The effect of facial hair on the quality of fit obtained while wearing a tight-fitting respirator has been and continues to be a controversial subject. Many people hold strong opinions on both sides of the issue, but it is not opinion that is needed. Rather what is needed is quantitative study of the situation to determine precisely what effect facial hair has on respirator fit. The results of fourteen studies of the facial hair leakage question have been summarized. All but two of the fourteen studies found that in the presence of facial hair, face seal leakage increases from 20 times to times.
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