Michigan Administrative Code
Department - Licensing and Regulatory Affairs
Bureau of Fire Services
Storage and Handling of Flammable and Combustible Liquids
Section R. 29.5659 - General definitions
Current through Vol. 24-04, March 15, 2024
Rule 659. Sections 3.3.21.1, 3.3.64, 3.3.65, and 3.3.66 are added to the FL/CL code:
3.3.21 "Flash point" means the minimum temperature of a liquid at which sufficient vapor is given off to form an ignitable mixture with the air, near the surface of the liquid or within the vessel used, as determined by the appropriate test procedure and apparatus specified in section 4.4.
3.3.64 "Aboveground storage tank system (AST)" means a tank, or combination of tanks, including the pipes that are connected to the tank(s) or ancillary equipment containment systems, if any, that has less than 10% of its combined volume beneath the surface of the ground. The tank or tanks may presently be in use, or may have been used in the past, to contain an accumulation of liquids.
3.3.65 "Tank System" means an AST system or an UST system.
3.3.66 "Underground storage tank system (UST)" means a tank, or combination of tanks, including the underground pipes that are connected to the tank or tanks or underground ancillary equipment containment systems, if any, that has 10% or more of its combined volume beneath the surface of the ground. The tank or tanks may presently be in use, or may have been used in the past, to contain an accumulation of liquids.