Regulation & law · 07/12/2005Updated: 10/17/2026 · 1 min read

EPA Proposes Approval of Colorado's Air Quality Implementation Plan Revisions

The Environmental Protection Agency (EPA) is proposing to approve revisions to Colorado's air quality implementation plan, which incorporate the EPA's 2002 NSR Reforms, focusing on the prevention of significant deterioration and non-attainment new source review programs.