# COMAR Title 26 — Department of the Environment

## Subtitle 10 — Oil Pollution Control and Storage Tank Management

### Chapter 12 — UST Systems with Field-Constructed Tanks and Airport Hydrant Fuel Distribution Systems

#### Regulation .01 General Requirements.

*COMAR 26.10.12.01*

A. Implementation of Requirements. Except as otherwise provided in Regulations .02—.05 of this chapter, an owner, an operator, and a person in charge of a UST system with a field-constructed tank or an airport hydrant system shall comply with requirements of this chapter, COMAR 26.10.02—26.10.11 and 26.10.16 in accordance with the following schedule:

  (1) For a UST system installed after June 13, 2022, upon installation of the UST system; and

  (2) For a UST system installed on or before June 13, 2022:

    (a) Comply with the following requirements not later than October 13, 2022:

      (i) Upgrade requirements in Regulation .03 of this chapter;

      (ii) Spill and overfill control requirements in COMAR 26.10.04.01;

      (iii) Operation and maintenance of corrosion protection requirements in COMAR 26.10.04.02;

      (iv) Compatibility requirements in COMAR 26.10.03.07;

      (v) Requirements regarding repairs allowed on UST systems in COMAR 26.10.04.04;

      (vi) Reporting and recordkeeping requirements in Regulation .07 of this chapter and COMAR 26.10.04.05;

      (vii) Spill and overfill prevention equipment and testing requirements in COMAR 26.10.03.03;

      (viii) Periodic operation and maintenance walkthrough inspections requirements in Regulation .04 of this chapter and COMAR 26.10.04.03;

      (ix) Release detection requirements in Regulation .05 of this chapter and COMAR 26.10.05; and

      (x) Operator training requirements in COMAR 26.10.16; and

    (b) Comply with the following requirements on and after June 13, 2022:

      (i) Requirements for reporting, investigating, and confirming a spill, release, or discharge in COMAR 26.10.08;

      (ii) Spill, release, and discharge response and corrective action requirements in COMAR 26.10.09;

      (iii) Closure and change-in-service of a UST system requirements in COMAR 26.10.10;

      (iv) Except as provided in §B of this regulation, UST system registration requirements in COMAR 26.10.03.09; and

      (v) Except as provided in §C of this regulation, financial responsibility requirements in COMAR 26.10.11.

B. Not later than October 13, 2022, an owner, an operator, and a person in charge of a UST system with a field-constructed tank or an airport hydrant system installed before June 13, 2022 shall register the UST system and maintain up-to-date registration of the UST system with the Department in accordance with COMAR 26.10.03.09.

C. An owner of a UST system with a field-constructed tank or an airport hydrant system in use as of June 13, 2022 shall demonstrate financial responsibility for the UST system at the time of submitting a registration form for the UST system, as required in §B of this regulation.

D. In compliance with COMAR 26.10.02.03D, an owner, an operator, and a person in charge of a UST system with a field-constructed tank or an airport hydrant system shall ensure:

  (1) The installation, upgrade, and repair of the UST system is performed by or under the supervision of a certified UST system technician;

  (2) The closure or change-in-service of the UST system is performed by or under the supervision of a certified UST system technician or remover; and

  (3) Inspections required under COMAR 26.10.03.10 are performed by or under the supervision of a certified UST system inspector.