“Replace” means to remove a component of an existing UST system, including but not limited to a tank, piping, sump, spill containment equipment, overfill prevention equipment, corrosion protection equipment, containment sump, or release detection equipment, and then install a component to serve the same design function as the removed component.

Source. #12643, eff 10-10-18 (See Revision Note #2 at chapter heading for Env-Or 400)