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Virginia Administrative Code
Title 9. Environment
Agency 25. State Water Control Board
Chapter 120. Virginia Pollutant Discharge Elimination System (VPDES) General Permit Regulation for Discharges from Groundwater Remediation of Contaminated Sites, Dewatering Activities of Contaminated Sites, and Hydrostatic Tests
11/21/2024

9VAC25-120-10. Definitions.

The words and terms used in this chapter shall have the meanings defined in the State Water Control Law and 9VAC25-31 (VPDES Permit Regulation) unless the context clearly indicates otherwise, except that for the purposes of this chapter:

"Board" means the State Water Control Board. When used outside the context of the promulgation of regulations, including regulations to establish general permits, "board" means the Department of Environmental Quality.

"Central wastewater treatment facilities" means any facility that treats (for disposal, recycling, or recovery of materials) or recycles hazardous or nonhazardous waste, hazardous or nonhazardous industrial wastewater, or used material from off-site. This includes both a facility that treats waste received from off-site exclusively, and a facility that treats waste generated on-site as well as waste received from off-site.

"Chlorinated hydrocarbon solvents" means solvents containing carbon, hydrogen, and chlorine atoms and the constituents resulting from the degradation of chlorinated hydrocarbon solvents.

"Department" or "DEQ" means the Virginia Department of Environmental Quality.

"Director" means the Director of the Virginia Department of Environmental Quality or an authorized representative.

"Petroleum products" means petroleum-based substances comprised of a complex blend of hydrocarbons derived from crude oil such as motor fuels, jet fuels, distillate fuel oils, residual fuel oils, lubricants, petroleum solvents, and used oils. "Petroleum products" does not include hazardous waste as defined by the Virginia Hazardous Waste Management Regulations (9VAC20-60).

"Total maximum daily load" or "TMDL" means a calculation of the maximum amount of a pollutant that a waterbody can receive and still meet water quality standards and an allocation of that amount to the pollutant's sources. A TMDL includes wasteload allocations (WLAs) for point source discharges, and load allocations (LAs) for nonpoint sources or natural background or both, and must include a margin of safety (MOS) and account for seasonal variations.

Statutory Authority

§ 62.1-44.15 of the Code of Virginia; § 402 of the Clean Water Act; 40 CFR Parts 122, 123, and 124.

Historical Notes

Derived from VR680-14-11 § 1, eff. February 24, 1993; amended, Virginia Register Volume 14, Issue 9, eff. February 24, 1998; Volume 19, Issue 10, eff. February 26, 2003; Volume 24, Issue 9, eff. February 6, 2008; Volume 29, Issue 4, eff. February 26, 2013; Volume 34, Issue 10, eff. February 26, 2018; Volume 39, Issue 4, eff. November 9, 2022; Volume 39, Issue 5, eff. March 1, 2023.

Website addresses provided in the Virginia Administrative Code to documents incorporated by reference are for the reader's convenience only, may not necessarily be active or current, and should not be relied upon. To ensure the information incorporated by reference is accurate, the reader is encouraged to use the source document described in the regulation.

As a service to the public, the Virginia Administrative Code is provided online by the Virginia General Assembly. We are unable to answer legal questions or respond to requests for legal advice, including application of law to specific fact. To understand and protect your legal rights, you should consult an attorney.