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 Virginia Administrative Code (Last Updated: January 10, 2017)
 Title 9. Environment
 Agency 25. State Water Control Board
 Chapter 120. General Virginia Pollutant Discharge Elimination System (VPDES) Permit Regulationfor Discharges from Petroleum Contaminated Sites, Groundwater Remediationand Hydrostatic Tests

Section 10. Definitions  

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  • 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:

    "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 offsite. 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 these 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 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.

Historical Notes

Derived from VR680-14-11 § 1, eff. February 24, 1993; amended, Volume 14, Issue 09, eff. February 24, 1998; Volume 19, Issue 10, eff. February 26, 2003; Volume 24, Issue 09, eff. February 6, 2008; Volume 29, Issue 04, eff. February 26, 2013.

Statutory Authority

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