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Respirator cartridge (3M 6009) for protection against mercury vapor and chlorine. This cartridge has an indicator that progressively changes color (from yellow to black, 1-2-3-4) when it is exposed to mercury vapor.
Short title: Methods for the timely replacement of cartridges in respirators; Date and time of digitizing: 15:10, 22 June 2015: Software used: LaTeX with hyperref package
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.
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.
A typical organic vapor respirator cartridge is a metal or plastic case containing from 25 to 40 grams of sorption media such as activated charcoal or certain resins. The service life of the cartridge varies based, among other variables, on the carbon weight and molecular weight of the vapor and the cartridge media, the concentration of vapor ...
[45] [5]: Box2-1 Different welding processes may produce different fumes, both particles and gasses such as carbon monoxide. Oxygen displacement by otherwise-harmless shielding gasses is also a risk. [46] [47] A self-contained breathing apparatus may be needed. [45] Respirators used by welders must fit under a welding mask. [48]
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