An owner, an operator, and a person in charge of an AST system with a field-erected AST shall ensure the normal venting for the field-erected AST meets the following requirements: Design and construct normal venting in accordance with the following industry standards: NFPA 30 “Flammable and Combustible Liquids Code”; and An API standard applicable to field-erected ASTs incorporated by reference in COMAR 26.10.01.03; 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 field-erected AST shall ensure the emergency venting for the field-erected AST meets the following requirements: Design and construct emergency venting in accordance with the following industry standards: NFPA 30 “Flammable and Combustible Liquids”; and API Standard 2000 “Venting Atmospheric and Low-pressure Storage Tanks”; and The field-erected AST has one of the following emergency relief venting designs: A floating roof; A lifter roof; A weak roof-to-shell seam; or Another industry approved pressure-relieving device.