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ACGIH is a 501(c)(3) charitable scientific organization that advances occupational and environmental health.
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This section has been established to help educate industry, government, and the public on what TLVs and BEIs are, and how TLVs and BEIs may best be used.
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Watch Jack Caravanos on Inside Edition – Wearing the right mask matters now more than ever
01/14/2022
Dr. Jack Caravanos from NYU’s school of public health says an N95 mask offers the best protection against the Omicron variant, and can be worn about a week before disposing of it. KN95 masks are also good for five days of use, and even longer if you disinfect them with hot steam. But cloth masks aren’t going to offer much Omicron protection, according to a new study.