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Virginia Administrative Code
Title 9. Environment
Agency 5. State Air Pollution Control Board
Chapter 20. General Provisions
11/29/2020

9VAC5-20-204. Nonattainment areas.

A. Nonattainment areas are geographically defined below by locality for the criteria pollutants indicated. Following the name of each ozone nonattainment area, in parentheses, is the classification assigned pursuant to § 181(a) of the federal Clean Air Act (42 USC § 7511(a)), 40 CFR 51.903(a), and 40 CFR 51.1103(a).

1. Ozone (1-hour).

Northern Virginia Ozone Nonattainment Area (severe).

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

2. Ozone (8-hour, 0.08 ppm).

Northern Virginia Ozone Nonattainment Area (moderate).

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

3. Ozone (8-hour, 0.075 ppm).

Northern Virginia Ozone Nonattainment Area (marginal).

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

4. Ozone (8-hour, 0.070 ppm).

Northern Virginia Ozone Nonattainment Area (marginal).

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

5. All other pollutants.

None.

B. Subdivision A 1 of this section shall not be effective after June 15, 2005.

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 Volume 12, Issue 16, eff. June 1, 1996; amended, Virginia Register Volume 14, Issue 02, eff. January 1, 1998; Volume 14, Issue 11, eff. April 1, 1998; Volume 15, Issue 02, eff. January 1, 1999; Volume 19, Issue 17, eff. June 4, 2003; Volume 20, Issue 23, eff. August 25, 2004; Errata, 20:26 VA.R. 3210-3211 September 6, 2004; amended, Virginia Register Volume 21, Issue 07, eff. January 12, 2005; Volume 21, Issue 15, eff. May 4, 2005; Volume 22, Issue 23, eff. September 1, 2006; Volume 24, Issue 05, eff. December 12, 2007; Volume 29, Issue 04, eff. November 21, 2012; Volume 31, Issue 12, eff. March 11, 2015; Volume 33, Issue 04, eff. November 16, 2016; Volume 36, Issue 12, eff. March 4, 2020.

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