Ariz. Admin. Code § R18-12-211 - Installation Requirements for Partially Excluded UST Systems

A. Owners and operators installing an UST system listed in R18-12-210(C)(1), (3), or (4) storing regulated substances, whether of single-wall or double-wall construction, shall ensure that it meets all of the following requirements:

1. The UST system will prevent releases due to corrosion or structural failure for the operational life of the UST system;

2. The UST system is cathodically protected against corrosion, constructed of non-corrodible material, steel clad with a non-corrodible material, or designed in a manner to prevent the release or threatened release of any stored substance;

3. The UST system is constructed or lined with material that is compatible with the stored substance.

B. Notwithstanding subsection (A), an UST system without corrosion protection may be installed at a site that is determined by a corrosion expert not to be corrosive enough to cause it to have a release due to corrosion during its operational life. Owners and operators shall maintain records that demonstrate compliance with the requirements of this subsection for the remaining operational life of the UST system.

C. Compliance with the corrosion protection provisions of this Section shall be determined in accordance with the codes of practice set forth in R18-12-281(A).

Notes

Ariz. Admin. Code § R18-12-211

Adopted effective July 30, 1996 (Supp. 96-3). Amended by final rulemaking at 25 A.A.R. 3123, effective 1/1/2020.