Regulation & law · 11/10/2022

Air Plan Approval; Colorado; Addressing Remanded Portions of the Previously Approved Infrastructure Requirements for the 2015 Ozone National Ambient Air Quality Standards

The Environmental Protection Agency (EPA) has finalized two parts of its 2020 final rule approving Colorado's infrastructure state implementation plan (SIP) submission for the 2015 ozone national ambient air quality standards (NAAQS). The EPA approved the plan, which meets the State's obligations under the Clean Air Act (CAA) and provides necessary assurances for regulating agricultural sources.