The Environmental Protection Agency (EPA) is amending several New Source Review (NSR) regulations by making the following types of changes: Correcting typographical and grammatical errors, removing court vacated rule language, removing or updating outdated or incorrect cross references, conforming certain provisions to changes contained in the 1990 Clean Air Act (CAA or Act) Amendments, and removing certain outdated grandfathering or transitional exemptions.

The Environmental Protection Agency (EPA) is approving a Clean Air Act (CAA or the ``Act'') section 111(d) state plan submitted by the North Dakota Department of Environmental Quality (NDDEQ or the ``Department'') on July 28, 2020 for the control of air pollutants from existing municipal solid waste (MSW) landfills. The EPA is also approving a CAA section 111(d)/129 state plan submitted by the Department on the same date for the control of air pollutants from existing commercial and industrial solid waste incineration (CISWI) units and air curtain incinerator (ACI) units.

The Environmental Protection Agency (EPA) is approving a Clean Air Act (CAA or the ``Act'') section 111(d) state plan submitted by the North Dakota Department of Environmental Quality (NDDEQ or the ``Department'') on July 28, 2020 for the control of air pollutants from existing municipal solid waste (MSW) landfills. The EPA is also approving a CAA section 111(d)/129 state plan submitted by the Department on the same date for the control of air pollutants from existing commercial and industrial solid waste incineration (CISWI) units and air curtain incinerator (ACI) units.

The Environmental Protection Agency (EPA) is approving a Clean Air Act (CAA or the ``Act'') section 111(d) state plan submitted by the North Dakota Department of Environmental Quality (NDDEQ or the ``Department'') on July 28, 2020 for the control of air pollutants from existing municipal solid waste (MSW) landfills. The EPA is also approving a CAA section 111(d)/129 state plan submitted by the Department on the same date for the control of air pollutants from existing commercial and industrial solid waste incineration (CISWI) units and air curtain incinerator (ACI) units.