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Virginia Administrative Code
Title 9. Environment
Agency 5. State Air Pollution Control Board
Chapter 20. General Provisions
12/21/2024

9VAC5-20-203. Maintenance areas.

Maintenance areas are geographically defined below by locality for the criteria pollutants indicated.

1. Ozone.

Fredericksburg Ozone Maintenance Area.

Spotsylvania County
Stafford County
Fredericksburg City

Hampton Roads Ozone Maintenance Area.

Gloucester County
Isle of Wight County
James City County
York County
Chesapeake City
Hampton City
Newport News City
Norfolk City
Poquoson City
Portsmouth City
Suffolk City
Virginia Beach City
Williamsburg City

Richmond Ozone Maintenance Area.

Charles City County
Chesterfield County
Hanover County
Henrico County
Prince George County
Colonial Heights City
Hopewell City
Petersburg City
Richmond City

Shenandoah National Park Ozone Maintenance Area.

Madison County (portions located in Shenandoah National Park)
Page County (portions located in Shenandoah National Park)

2. Carbon monoxide.

Northern Virginia Carbon Monoxide Maintenance Area.

Arlington County
Alexandria City

3. PM2.5 (particles with an aerodynamic diameter less than or equal to a nominal 2.5 micrometers).

Northern Virginia PM2.5 Maintenance Area.

Arlington County
Fairfax County
Loudoun County
Prince William County
Alexandria City
Fairfax City
Falls Church City
Manassas City
Manassas Park City

4. All other pollutants.

None.

Statutory Authority

§ 10.1-1308 of the Code of Virginia; § 110 and 182 of the federal Clean Air Act, 40 CFR Part 51.

Historical Notes

Derived from Virginia Register Volume 13, Issue 18, eff. July 1, 1997; amended, Virginia Register Volume 14, Issue 2, eff. January 1, 1998; Volume 14, Issue 11, eff. April 1, 1998; Volume 22, Issue 23, eff. September 1, 2006; Volume 24, Issue 5, eff. December 12, 2007; Volume 31, Issue 12, eff. March 11, 2015.

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.

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