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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
11/21/2024

9VAC25-580-100. Compatibility.

A. Owners and operators must use an UST system made of or lined with materials that are compatible with the substance stored in the UST system.

B. Owners and operators must notify the department at least 30 days prior to switching to a regulated substance containing greater than 10% ethanol, greater than 20% biodiesel, or any other regulated substance identified by the department. In addition, owners and operators with UST systems storing these regulated substances must meet one of the following:

1. Demonstrate compatibility of the UST system, including the tank, piping, containment sumps, pumping equipment, release detection equipment, spill equipment, and overfill equipment. Owners and operators may demonstrate compatibility of the UST system by using one of the following options:

a. Certification or listing of UST system equipment or components by a nationally recognized, independent testing laboratory for use with the regulated substance stored; or

b. Equipment or component manufacturer approval. The manufacturer's approval must be in writing, indicate an affirmative statement of compatibility, specify the range of biofuel blends the equipment or component is compatible with, and be from the equipment or component manufacturer; or

2. Use another option determined by the department to be no less protective of human health and the environment than the options listed in subdivision 1 of this subsection.

C. Owners and operators must maintain records in accordance with subdivision 2 of 9VAC25-580-120 documenting compliance with subsection B of this section for as long as the UST system is used to store the regulated substance.

NOTE: The following code of practice may be useful in complying with this section:

American Petroleum Institute Recommended Practice 1626, Storing and Handling Ethanol and Gasoline-Ethanol Blends at Distribution Terminals and Filling Stations.

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 § 3.3, eff. October 25, 1989; amended, Virginia Register Volume 34, Issue 1, eff. January 1, 2018; Volume 39, Issue 5, eff. November 23, 2022.

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