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Virginia Administrative Code
Title 9. Environment
Agency 25. State Water Control Board
Chapter 580. Underground Storage Tanks: Technical Standards and Corrective Action Requirements
12/21/2024

9VAC25-580-310. Temporary closure.

Owners and operators must obtain a permit and the required inspections in accordance with the provisions of the Virginia Uniform Statewide Building Code (§ 36-97 et seq. of the Code of Virginia).

A permit from the building official must be obtained prior to temporary tank closure. No UST system shall be temporarily closed unless and until the system is inspected in accordance with the provisions of the Virginia Uniform Statewide Building Code (§ 36-97 et seq. of the Code of Virginia).

In the case of state-owned facilities the Department of General Services shall function as the building official in accordance with § 36-98.1 of the Code of Virginia.

In the case of federal facilities the building official must be contacted. Owners and operators must obtain a permit and the required inspections in accordance with the provisions of the Virginia Uniform Statewide Building Code (§ 36-97 et seq. of the Code of Virginia).

1. When an UST system is temporarily closed, owners and operators must continue operation and maintenance of corrosion protection in accordance with 9VAC25-580-90, and any release detection in accordance with Parts IV (9VAC25-580-130 et seq.) and X (9VAC25-580-380 et seq.) of this chapter. Parts V (9VAC25-580-190 et seq.) and VI (9VAC25-580-230 et seq.) of this chapter must be complied with if a release is suspected or confirmed. However, release detection and release detection operation and maintenance testing and inspections in Parts III (9VAC25-580-80 et seq.) and IV of this chapter are not required as long as the UST system is empty. The UST system is empty when all materials have been removed using commonly employed practices so that no more than 2.5 centimeters (one inch) of residue, or 0.3% by weight of the total capacity of the UST system, remain in the system. In addition, spill and overfill operation and maintenance testing and inspections in Part III of this chapter are not required.

2. When an UST system is temporarily closed for three months or more, owners and operators must also comply with the following requirements:

a. Leave vent lines open and functioning; and

b. Cap and secure all other lines, pumps, manways, and ancillary equipment.

3. When an UST system is temporarily closed for more than 12 months, owners and operators must permanently close the UST system if it does not meet either performance standards in 9VAC25-580-50 for new UST systems or the upgrading requirements in 9VAC25-580-60, except that the spill and overfill equipment requirements do not have to be met. Owners and operators must permanently close the substandard UST systems at the end of this 12-month period in accordance with 9VAC25-580-320 through 9VAC25-580-350, unless the building official provides an extension of the 12-month temporary closure period. Owners and operators must complete a site assessment in accordance with 9VAC25-580-330 before such an extension can be applied for.

Statutory Authority

§§ 62.1-44.15 and 62.1-44.34:9 of the Code of Virginia; 42 USC § 6901 et seq.; 40 CFR Parts 280 and 281.

Historical Notes

Derived from VR680-13-02 § 7.1, eff. October 25, 1989; amended, Virginia Register Volume 34, Issue 1, eff. January 1, 2018.

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