SEC. 57.5003.2.4.3.2. INSTALLATION OF UNDERGROUND STORAGE CONTAINERS.
Underground tanks and pressure vessels used to store liquid or gaseous hazardous materials at ambient temperatures and pressures in excess of 0.5 psig shall be in accordance with Sections 57.5003.2.4.3.2.1 through 57.5003.2.4.3.2.8.