30 CFR 57.14213 : Mineral Resources (§ 1.1 To Parts 1291-1299) — (§ 1.1 To Parts 105-199) — Mine Safety And Health Administration, Department Of Labor (§ 1.1 To Parts 105-199) — Metal And Nonmetal Mine Safety And Health (§ 56.1 To § 58.620) — Safety And Health Standards - Underground Metal And Nonmetal Mines (§ 57.1 To Appendix I To Subpart T Of Part 57) — Machinery And Equipment (§ 57.14000 To Appendix I To Subpart M Of Part 57) — Safety Practices And Operational Procedures (§ 57.14200 To § 57.14219) — Ventilation and shielding for welding.