What OSHA Standard Requires Annual Maintenance Checks Of Portable Fire Extinguishers?

What OSHA Standard Requires Annual Maintenance Checks Of Portable Fire Extinguishers? Employers need to perform a full maintenance check on their workplace’s portable fire extinguishers once per year, according to OSHA 29 CFR 1910.157(e)(3). “Maintenance” means a thorough examination and repair, as needed, of all your facility’s portable fire extinguishers, as covered in NFPA 10(98),