If you have questions concerning the compatibility or approval of components contact the Class A operator.
The Department of Commerce also maintains a database of “Material Approvals” for various components produced by manufacturers for use with UST systems. You can contact your local Commerce AST/UST Specialist for additional information. Refer to the Commerce Tank Staff web page.
The Department of Commerce requires material approval (means component approval) for various components of the UST system. Those components include but are not limited to: