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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
12/11/2019

9VAC25-580-250. Initial Abatement Measures and Site Check.

A. Unless directed to do otherwise by the board, owners and operators must perform the following abatement measures:

1. Remove as much of the regulated substance from the UST system as is necessary to prevent further release to the environment;

2. Visually inspect any aboveground releases or exposed belowground releases and prevent further migration of the released substance into surrounding soils and groundwater;

3. Continue to monitor and mitigate any additional fire and safety hazards posed by vapors or free product that have migrated from the UST excavation zone and entered into subsurface structures (such as sewers or basements);

4. Remedy hazards posed by contaminated soils that are excavated or exposed as a result of release confirmation, site investigation, abatement, or corrective action activities. If these remedies include treatment or disposal of soils, the owner and operator must comply with applicable state and local requirements;

5. Measure for the presence of a release where contamination is most likely to be present at the UST site, unless the presence and source of the release have been confirmed in accordance with the site check required by subdivision 2 of 9VAC25-580-210 or the closure site assessment of subsection A of 9VAC25-580-330. In selecting sample types, sample locations, and measurement methods, the owner and operator must consider the nature of the stored substance, the type of backfill, depth to groundwater and other factors as appropriate for identifying the presence and source of the release. Samples shall be tested according to established EPA analytical methods or methods approved the board; and

6. Investigate to determine the possible presence of free product, and begin free product removal as soon as practicable and in accordance with 9VAC25-580-270.

B. Within 20 days after release confirmation, or within another reasonable period of time determined by the board upon written request made and approved within 20 days after release confirmation, owners and operators must submit a report to the board summarizing the initial abatement steps taken under subsection A of this section and any resulting information or data.

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 § 6.3, eff. October 25, 1989; amended, Volume 34, Issue 01, eff. January 1, 2018.

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