ENVIRONMENTAL FINAL GOVERNING STANDARDS ITALY

ITALY - 19 Underground Storage Tanks
C19.2.6.1. Tanks containing heating oil used for consumption on the premises where it is
stored;
C19.2.6.2. Septic tanks;
C19.2.6.3. Stormwater or wastewater collection systems;
C19.2.6.4. Flow through process tanks;
C19.2.6.5. Surface impoundments, pits, ponds, or lagoons;
C19.2.6.6. Field constructed tanks;
C19.2.6.7. Hydrant fueling systems;
C19.2.6.8. Storage tanks located in an accessible underground area (such as a basement
or vault) if the storage tank is situated upon or above the surface of the floor;
C19.2.6.9. USTs containing de minimis concentrations of regulated substances, except
where C19.3.2.8. is applicable; and
C19.2.6.10. Emergency spill or overflow containment UST systems that are
expeditiously emptied after use.
C19.3. CRITERIA
C19.3.1. All installations will maintain a UST inventory.
C19.3.2. POL USTs. All petroleum UST systems will be properly installed, protected from
corrosion, provided with spill/overfill prevention, and will incorporate leak detection as
described below. POL USTs installed at fuel filling stations will either be double-walled or have
a secondary containment vault.
C19.3.2.1. Corrosion Protection. USTs and piping must be provided with corrosion
protection unless constructed of fiberglass or other non-corrodible materials. The corrosion
protection system must be certified by a competent authority.
C19.3.2.1.1. Fuel Filling Stations. Double-walled USTs installed at fuel filling
stations shall have walls constructed of one of the following:
C19.3.2.1.1.1. Both metallic, with the external surface coated with an anticorrosion
layer
C19.3.2.1.1.2. Metallic internal surface and non-metallic external surface
C19.3.2.1.1.3. Both non-metallic surface if the wall material is both resistant to
corrosion and to mechanical stress
September 2012 Italy FGS 19-2
Revision 0