Michigan Compiled Laws, Chapter 125. Planning, Housing and Zoning § 125.552

(a) “Fuel oil” means any liquid as specified by the American standard of testing materials D-396-89A (1989) and used as fuel that has a flash point of not less than 100 degrees Fahrenheit.

(b) “Fuel oil burners” means any device, including burners, motors, piping, valves, and other equipment designed and arranged for the purpose of burning fuel oil for heating purposes.

(c) “Tank” means any container for fuel oil, having a capacity of more than 25 gallons and directly or indirectly connected with fuel oil burners.

(d) “Auxiliary tank” means any tank that has a capacity that does not exceed 60 gallons and is between the storage tank and the burner that delivers oil by gravity or pressure to the fuel oil burner or blower.

(e) “Storage tank” means any tank for the storage of oil, connected through an approved means of suction feed, directly to the fuel oil burner or indirectly connected to the fuel oil burner through approved auxiliary tank.

(f) “Department of buildings and safety engineering” means the department of buildings and safety engineering of a city or village, or another department designated by the legislative body of a city or village.

(g) “Bureau of safety engineering” means the bureau of safety engineering of the department of buildings and safety engineering of a city or village, or another bureau designated by the legislative body of a city or village.