4VAC25-150-310. Tanks.
A. All tanks installed on or after September 25, 1991, shall be designed and constructed to contain the fluids to be stored in the tanks and prevent unauthorized discharge of fluids.
B. All tanks shall be maintained in good condition and repaired as needed to ensure the structural integrity of the tank.
C. Every permanent tank or battery of tanks shall have secondary containment achieved by constructing a dike or firewall with a capacity of 1-1/2 times the volume of the largest tank when plumbed at the top, or all tanks when plumbed at the bottom, utilizing a double wall tank or another method approved by the division.
D. Dikes and firewalls shall be maintained in good condition, and the reservoir shall be kept free from brush, water, oil or other fluids.
E. Permittees shall inspect the structural integrity of tanks and tank installations, at a minimum, annually. The report of the annual inspection shall be maintained by the permittee for a minimum of three years and be submitted to the director upon request.
F. Load lines shall be properly constructed and operated on the permitted area.
Statutory Authority
§§ 45.1-161.3 and 45.1-361.27 of the Code of Virginia.
Historical Notes
Derived from VR480-05-22.1 § 1.31, eff. September 25, 1991; amended, Virginia Register Volume 15, Issue 2, eff. November 11, 1998; Volume 29, Issue 3, eff. November 8, 2012; Volume 30, Issue 1, eff. October 10, 2013.