scope:

1.2 Purpose and Scope

1.2.1 This recommended practice is a guide to procedures and equipment that should be used for the proper installation of underground petroleum storage systems. It is intended for use by architects, engineers, tank owners, tank operators, and contractors.

1.2.2 This recommended practice applies to underground storage tank systems (see 1.3.48) that are used to store petroleum products at retail and commercial facilities. The stored products include gasoline, diesel fuel, kerosene, lubricating oils, used oil, and certain alcohol/gasoline blends. (For information on alcohol/gasoline blends, see API Recommended Practices 1626 and 1627.) The product manufacturer and the authority having jurisdiction (see 1.3.1) should be consulted with regard to the proper storage of all products.

1.2.3 Anyone preparing to design or install an underground storage tank system should investigate the federal, state, and local requirements and current methods of compliance for vapor recovery in that region. Vapor recovery (see 1.3.52) is covered in greater detail in Section 12 of this document. For more information on the design and installation of vapor recovery systems, see NFPA 30A or PEI RP 300.

1.2.4 The primary application of this recommended practice is in connection with the underground storage of bulk petroleum products or used oil at retail and commercial facilities. It is not intended to cover specialized installations, such as fuel storage systems at marinas or airports, heating oil storage systems (either residential or bulk), or systems installed inside buildings. This recommended practice does not apply to the installation of in ground or aboveground bulk storage systems. The reader is referred to the following standards for information on specialized storage systems:

a. Marinas: NFPA 30A.

b. Residential storage of heating oil: NFPA 31.

c. Storage inside buildings: NFPA 30.

d. Aboveground storage: NFPA 30 and 30A; API Standards 650, 651, 652, and 653; and PEI RP 200-92.