Utah Code § 53-7-601
§ 53-7-601. Definitions.
As used in this part: (1) (a) "Carbon dioxide system" means a system that: (i) stores, uses, or dispenses carbon dioxide; and (ii) has a capacity of 100 pounds or more of carbon dioxide. (b) "Carbon dioxide system" includes: (i) an appliance used with a carbon dioxide system; and (ii) pipes, tubing, fittings, required signage, and gas detection, that are part of, or connect to, a carbon dioxide system. (2) "Service" means the inspection, installation, maintenance, repair, or modification of a carbon dioxide system.