Owners and operators must use an UST system made of or lined with materials that are compatible with the substance stored in the UST system.
Code of Federal Regulations
Note:
Owners and operators storing alcohol blends may use the following codes to comply with the requirements of this section:
(a) American Petroleum Institute Publication 1626, “Storing and Handling Ethanol and Gasoline-Ethanol Blends at Distribution Terminals and Service Stations”; and
(b) American Petroleum Institute Publication 1627, “Storage and Handling of Gasoline-Methanol/Cosolvent Blends at Distribution Terminals and Service Stations.”