1. A. Not later than October 13, 2022, an owner and an operator of a UST system with a field-constructed tank or an airport hydrant system installed on or before June 13, 2022 shall comply with the upgrade requirements of this section.

   1. (1) Corrosion Protection. The owner and the operator of the UST system shall ensure the UST system components in contact with the ground:

      1. (a) Except as provided in Regulation .02 of this chapter, meet the new and replacement UST system performance standards for USTs in COMAR 26.10.03.01 and piping in COMAR 26.10.03.02; or

      2. (b) Are constructed of metal and cathodically protected according to a NACE code of practice incorporated by reference under COMAR 26.10.01.03 and meet the following cathodic protection conditions:

         1. (i) The cathodic protection meets the requirements of COMAR 26.10.03.01B(1)(b) and (3) for USTs and COMAR 26.10.03.02B(1)(b) and (2) for piping; and
         2. (ii) A UST greater than 10 years old without cathodic protection is assessed to ensure the UST is structurally sound and free of corrosion holes prior to adding cathodic protection through an internal inspection or another method determined by the Department.
   2. (2) Spill and Overfill Prevention Equipment. To prevent a spill, release, or discharge or an overfill associated with product transfer to a UST system, the owner and the operator of the UST system shall ensure the UST system meets the new UST system spill and overfill prevention equipment requirements specified in COMAR 26.10.03.03.

2. B. An owner and an operator of a UST system with a field-constructed tank or an airport hydrant system not in compliance with §A of this regulation shall:

   1. (1) Immediately place the UST system in temporary closure in accordance with COMAR 26.10.10.01; and
   2. (2) Permanently close the UST system in accordance with COMAR 26.10.10.02—.05 not later than April 13, 2023, or another time period established by the Department.

Authority: Environment Article, §§4-401, 4-402, 4-405, 4-407—4-411.2, 4-415.1, 4-417, 4-701 et seq., and 7-201 et seq., Annotated Code of Maryland

Effective date: February 15, 1993 (20:3 Md. R. 259)

Regulation .01 amended effective February 18, 2002 (29:3 Md. R. 224)

Regulation .04F amended effective December 6, 1993 (20:24 Md. R. 1865); July 15, 1996 (23:14 Md. R. 1011)

Regulation .04G amended effective July 15, 1996 (23:14 Md. R. 1011)

Regulation .05C, D amended effective December 6, 1993 (20:24 Md. R. 1865)

Regulation .06D amended effective July 15, 1996 (23:14 Md. R. 1011)

Regulation .07B amended effective July 15, 1996 (23:14 Md. R. 1011)

Regulation .08A, B amended effective December 6, 1993 (20:24 Md. R. 1865)

Regulations .01—.15 repealed and new Regulations .01—.07 adopted effective June 13, 2022 (49:12 Md. R. 642)