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  2. Mechanical filter (respirator) - Wikipedia

    en.wikipedia.org/wiki/Mechanical_filter_(respirator)

    According to 3M, respirators made according to the following standards are equivalent to US N95 or European FFP2 respirators "for filtering non-oil-based particles such as those resulting from wildfires, PM 2.5 air pollution, volcanic eruptions, or bioaerosols (e.g. viruses)": [34] Chinese KN95 (GB2626-2006): similar to US.

  3. Respirator - Wikipedia

    en.wikipedia.org/wiki/Respirator

    In one case, a jury ruled against 3M for a respirator that was initially approved for asbestos, but was quickly disapproved once OSHA permissible exposure limits for asbestos changed. Combined with testimony that the plaintiff rarely wore a respirator around asbestos, the lack of evidence, and the limitation of liability from static NIOSH ...

  4. Elastomeric respirator - Wikipedia

    en.wikipedia.org/wiki/Elastomeric_respirator

    Respirators used by welders must fit under a welding mask. [48] Respirators are also used in demolition to protect against asbestos, mould, and other hazardous waste. [49] Elastomeric respirators are used for cleaning up after oil spills. [50] Elastomeric respirators are used against chemical aerosols and toxic gases. [5]

  5. Asbestos abatement - Wikipedia

    en.wikipedia.org/wiki/Asbestos_abatement

    In construction, asbestos abatement is a set of procedures designed to control the release of asbestos fibers from asbestos-containing materials. [1] Asbestos abatement is utilized during general construction in areas containing asbestos materials, particularly when those materials are being removed, encapsulated, or repaired.

  6. 3M Scott Fire & Safety - Wikipedia

    en.wikipedia.org/wiki/3M_Scott_Fire_&_Safety

    3M Scott Fire & Safety is an American manufacturer of respiratory and personal protective equipment including supplied air and air purifying respirators, compressors, gas detection systems and thermal imaging cameras.

  7. NIOSH air filtration rating - Wikipedia

    en.wikipedia.org/wiki/NIOSH_air_filtration_rating

    During the COVID-19 pandemic, the mask and respirator market rapidly grew, along with counterfeit respirators. [1] NIOSH, on behalf of the Department of Health and Human Services, filed a trademark application on June 17, 2020, for various 42 CFR 84 trademarks, including the N95, allowing NIOSH to enforce rules on counterfeit masks outside of rules defined in 42 CFR 84.