U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
The temperature of the steam locomotive boiler shall be raised to at least 70 deg. F any time hydrostatic pressure is applied to the boiler.
Regulations most recently checked for updates: Aug 27, 2025
The temperature of the steam locomotive boiler shall be raised to at least 70 deg. F any time hydrostatic pressure is applied to the boiler.