D.C. Mun. Regs. tit. 20, § 5700
5700.1 The owner or operator of each new or existing petroleum UST system, except for a heating oil tank, shall comply with this section and the following as applicable:- (a) For an UST system installed on or before December 22, 1988, the upgrade requirements in Chapter 58;
- (b) For an UST system installed after December 22, 1988, and on or before November 12, 1993, the federal standards in 40 CFR § 280.20 (Performance Standards for New USTs); and
- (c) For UST systems installed after November 12, 1993, the performance standards for new petroleum UST systems in §§ 5701, 5704, and 5705.5700.2 Except as provided in § 5700.3, the owner or operator of each existing or new hazardous substance UST system shall comply with this section and the performance standards for new hazardous substance UST systems in §§ 5702, 5704, and 5705.5700.3 A hazardous substance UST system that was installed on or before November 12, 1993, and that was upgraded before February 21, 2020 to comply with the performance standards for new petroleum UST systems in § 5701, is exempt from the requirements of § 5700.2.5700.4 The owner or operator of each heating oil tank with a capacity of one thousand one hundred (1,100) gallons or greater shall comply with the following as applicable:- (a) For UST systems installed on or before November 12, 1993, the requirements of this section; and
- (b) For UST systems installed after November 12, 1993, the requirements of §§ 5703 through 5706.5700.5 The owner or operator of an UST system that does not comply with §§ 5700.1 through 5700.4 shall comply with the permanent closure requirements in Chapter 61 and the applicable requirements for corrective action in Chapter 62.5700.6 The owner or operator of each UST system shall ensure that the UST system satisfies the applicable release detection requirements in Chapter 60.5700.7 In addition to meeting the requirements of this chapter, the owner or operator of
each UST system located within one hundred feet (100 ft) of a subsurface transit structure, as measured horizontally from the outside wall, shall meet the requirements of the District of Columbia Fire Code, Title 12, Subtitle H (Fire Code Supplement) of the District of Columbia Municipal Regulations and the National Fire Protection Association (NFPA) Standard 130 (Standard for Fixed Guideway Transit and Passenger Rail Systems).
5700.8 Each metal tank, and the attached metal piping that is in contact with the ground and used to convey the regulated substance stored in the tank, shall be properly designed, constructed, and installed in a manner that will prevent corrosion in accordance with:
(a) A code of practice listed in § 5701.10;
(b) The District of Columbia Fire Code, Title 12, Subtitle H (Fire Code Supplement) of the District of Columbia Municipal Regulations; and
(c) The applicable requirements of this chapter.
5700.9 The Department may approve alternative tank construction and corrosion protection measures if the Department determines that the alternative tank construction and corrosion protection measures will prevent the release or threatened release of any stored regulated substance in a manner that is no less protective of human health and the environment than the requirements of this chapter.
5700.10 Each owner or operator of an UST that is more than thirty (30) years old shall remove the tank from the ground in accordance with Chapter 61 within five (5) years of February 21, 2020.
5700.11 Each owner or operator of an UST that is more than thirty (30) years old shall perform a tightness test within one (1) year of February 21, 2020, and if the UST fails, remove the UST within one (1) year of the date of the test failure.
SOURCE: Final Rulemaking published at 40 DCR 7835 (November 12, 1993); as amended by Final Rulemaking published at 46 DCR 7699 (October 1, 1999); as amended by Final Rulemaking published at 67 DCR 1778 (February 21, 2020).