Guides

OSHA mandates a minimum of NIOSH-certified P100 filtration for lead abatement operations under 29 CFR 1926.62 (construction) and 29 CFR 1910.1025 (general industry). P100 filters are rated at 99.97% efficiency against oil and non-oil aerosols — the highest particulate class NIOSH issues. A standard…

The answer hinges on a single variable most workers overlook: oil resistance. Choose the wrong class and you may violate OSHA 1910.134 — even if your respirator fits perfectly and filters at 99.97% efficiency.