SUBPART D—Gases, Vapors, Fumes, Dusts, and Mists (§50-204.50 to §50-204.72)
- 50-204.50—Gases, vapors, fumes, dusts, and mists.
- 50-204.65—Inspection of compressed gas cylinders.
- 50-204.66—Acetylene.
- 50-204.67—Oxygen.
- 50-204.68—Hydrogen.
- 50-204.69—Nitrous oxide.
- 50-204.70—Compressed gases.
- 50-204.71—Safety relief devices for compressed gas containers.
- 50-204.72—Safe practices for welding and cutting on containers which have held combustibles.