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  2. Chemical cartridge - Wikipedia

    en.wikipedia.org/wiki/Chemical_cartridge

    An example is ASZM-TEDA Carbon canister used in CBRN masks by the US Army. ... (3M 6009) for protection against mercury vapor and chlorine. ... 6900 - 0.5 Benzene (71 ...

  3. 3M - Wikipedia

    en.wikipedia.org/wiki/3M

    The shortages led to the U.S. government asking 3M to stop exporting US-made N95 respirator masks to Canada and to Latin American countries, [116] and President Donald Trump invoked the Defense Production Act to require 3M to prioritize orders from the federal government. [117]

  4. 3M fires back at Trump over order to produce more face masks

    www.aol.com/article/finance/2020/04/03/3m-fires...

    The company said it has been producing as many masks as possible for the U.S. “over the last several weeks and months.” 3M fires back at Trump over order to produce more face masks Skip to ...

  5. European respirator standards - Wikipedia

    en.wikipedia.org/wiki/European_respirator_standards

    3M 2091 filter with P3-BR approval. European standard EN 143 defines the 'P' classes of particle filters that can be attached to a face mask. These filters are typically used on reusable respirators, like elastomeric respirators. [5]

  6. N95 respirator - Wikipedia

    en.wikipedia.org/wiki/N95_respirator

    An N95 respirator is a disposable filtering facepiece respirator or reusable elastomeric respirator filter that meets the U.S. National Institute for Occupational Safety and Health (NIOSH) N95 standard of air filtration, filtering at least 95% of airborne particles that have a mass median aerodynamic diameter of 0.3 micrometers under 42 CFR 84, effective July 10, 1995.

  7. Face masks during the COVID-19 pandemic in the United States

    en.wikipedia.org/wiki/Face_masks_during_the...

    A public service announcement from the Government of California encouraging people to wear masks to "slow the spread". In late March 2020, some government officials began to focus on the wearing of masks to help prevent transmission of COVID-19 as opposed to protecting the wearer; former FDA Commissioner Scott Gottlieb stated in a report that face masks would be "most effective" at slowing its ...

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