The division has jurisdiction over:
(a)
The safety and health of railroad employees employed in offices and in shops devoted to the construction, maintenance or repair of railroad equipment, and all other railroad employees with respect to occupational health, including, but not limited to, air contaminants, noise, sanitation and availability of drinking water.
(b)
The occupational safety and health of employees of rail rapid transit systems, electric interurban railroads, or street railroads.
(c)
The safety of employees of all other public utilities as defined in the Public Utilities Act.