CFR›Title 30›Chapter I›Part 57›Subpart M ContainsSection 57.14000; Subject groups Safety Devices and Maintenance Requirements–Safety Practices and Operational ProceduresCorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart M—Machinery and Equipment Contents 57.14000 § 57.14000 Definitions. Safety Devices and Maintenance Requirements Safety Devices and Maintenance Requirements Sections 57.14100–57.14162 Safety Practices and Operational Procedures Safety Practices and Operational Procedures Sections 57.14200–57.14219; Appendix I Source53 FR 32528, Aug. 25, 1988, unless otherwise noted. Previous L Subpart L—Compressed Air and Boilers Next N Subpart N—Personal Protection