29 CFR 1910.157 29 CFR 1910.157(e)(1) OSHA standard 29 CFR 1910.157): OSHA standard 29 CFR 1910.157): Portable fire extinguishers 29 Code of Federal Regulations (CFR) 1910.157 OSHA: Portable Fire Extinguishers 29 CFR 1910.157 29 CFR 1910.157 Portable fire extinguishers. OSHA standard 29 CFR 1910.157): OSHA standard 29 CFR 1910.157): 29 CFR 1910.157(e)(4) 1910.157(e)(2) 29 CFR 1910.157 Portable fire extinguishers OSHA 1910.157 29 CFR 1910.157 OSHA standard 29 CFR 1910.157): 29 CFR 1910.157(e)(2) 29 CFR 1910.157 OSHA standard 29 CFR 1910.157): OSHA standard 29 CFR 1910.157): OSHA requirements OSHA standard 29 CFR 1910.157): 1910.157 Portable fire extinguishers OSHA requirements OSHA standard 29 CFR 1910.157): 29 CFR 1910.157 29 CFR 1910.157(e)(5) OSHA standard 29 CFR 1910.157): 29 CFR 1910.157(e)(3) 29 CFR 1910.157 OSHA standard 29 CFR 1910.157): OSHA standard 29 CFR 1910.157): Portable fire extinguishers. 29 CFR 1910.157 29 CFR 1910.157 29 CFR 1910.157 29 CFR 1910.157 OSHA requirements 29 CFR 1910.157 29 CFR 1910.157 Portable fire extinguishers portable fire extinguisher training (1910.157(g)) OSHA standard 29 CFR 1910.157): OSHA requirements OSHA standard 29 CFR 1910.157): OSHA: Portable Fire Extinguishers OSHA standard 29 CFR 1910.157): OSHA 1910.157