An owner, an operator, and a person in charge of an AST system with a shop-fabricated AST shall ensure the normal venting for the shop-fabricated AST meets the following requirements: Design and construct the normal venting in accordance with one of the following industry standards: UL 142 “Standard for Safety, Steel Aboveground Tanks for Flammable and Combustible Liquids”; or API Standard 2000 “Venting Atmospheric and Low-pressure Storage Tanks”; The normal venting requirements for ASTs listed in NFPA 30 “Flammable and Combustible Liquids Code”; and Vent an atmospheric pressure AST to prevent the development of vacuum or pressure above a 1.0 psi (6.9 kPa) maximum operating pressure. An owner, an operator, and a person in charge of an AST system with a shop-fabricated AST shall ensure the emergency venting for the shop-fabricated AST meets the following requirements: Design and construct emergency venting in accordance with one of the following industry standards: UL 142 “Standard for Safety, Steel Aboveground Tanks for Flammable and Combustible Liquids”; or API Standard 2000 “Venting Atmospheric and Low-pressure Storage Tanks”; and Emergency venting meets the requirements in NFPA 30 “Flammable and Combustible Liquids Code”.