The 10 states besides the District of Columbia that require boiler operators to have a license are Alaska Arkansas Iowa Maine Massachusetts Minnesota Montana New Mexico Ohio and Oklahoma. Each state has its own licensing requirements levels and
The purpose of the Board of Boiler Rules is to advise the Texas Commission of Licensing and Regulation (Commission) in the adoption of definitions and rules relating to the safe construction installation inspection operating limits alteration and repair of boilers and their appurtenances.
Fossil Fuel Boilers For boilers that operate on gaseous fuels (e.g. propane natural gas etc.) the threshold is 10 MMBtu/hr of heat input to the boiler. For boilers that burn fuel oils (e.g. diesel kerosene etc.) the threshold is for individual units of 3 MMBtu/hr or greater which aggregate to greater than 10 MMBtu/hr combined.
SUBCHAPTER E. REGULATION OF BOILERS AND FUEL GAS SYSTEMS. Sec. 755.071. RESTRICTION ON REGULATION. Notwithstanding any other law a state agency or political subdivision may not restrict the use or installation of a specific fuel gas pipe product that is approved for use and installation by the International Fuel Gas Code.