An owner, an operator, and a person in charge of an AST system with a shop-fabricated AST shall provide a method or combination of release detection methods that detect a spill, release, or discharge from the AST system through: Visual inspections of the AST system in accordance with Regulation .12 of this chapter; A continuous electronic release detection system; or A continuous mechanical release detection system. An owner, an operator, and a person in charge of an AST system with a shop-fabricated AST using a continuous electronic or mechanical release detection system shall: Install, calibrate, operate, and maintain the release detection system in accordance with the manufacturer’s instructions; and At least annually: Perform routine maintenance on the release detection system; Check the release detection system for operability at scheduled service checks; and Per the manufacturer’s specifications, inspect, field-test, or calibrate the release detection system to verify that the selected release detection method is being maintained and operated properly to detect a spill, release, or discharge. An owner, an operator, and a person in charge of an AST system with a shop-fabricated AST shall monitor underground piping connected to the AST for spill, releases, and discharges in accordance with COMAR 26.10.05.02D.