Regulacje i polityka gospodarcza · 14/08/2026
Air Plan Approval; Virginia; 1997 8-Hour Ozone National Ambient Air Quality Standard Second Maintenance Plan for the Madison and Page Counties (Shenandoah National Park) Area
The Environmental Protection Agency (EPA) is proposing to approve a state implementation plan revision submitted by Virginia to maintain the 1997 8-hour ozone national ambient air quality standard in the Madison & Page Counties area for the second 10-year maintenance period.