The Environmental Protection Agency (EPA) is approving a revision to the Oregon State Implementation Plan (SIP) submitted on November 5, 2020. The revision establishes new fees to be paid by stationary sources of air contaminants that submit notices of intent to construct. The revision also adds a new basic air contaminant discharge permit category to allow certain minor sources, that would otherwise be required to obtain a general, simple, or standard permit, the option to qualify for a basic permit.

The Environmental Protection Agency (EPA) is proposing to approve revisions to the Oregon state implementation plan (SIP) submitted by the State of Oregon (Oregon) on December 9, 2020 and December 22, 2021. The revisions update the SIP-approved vehicle inspection program for the Portland and Medford areas. The EPA is proposing to approve the SIP submittal as consistent with Clean Air Act (Act or CAA) requirements.

The Environmental Protection Agency (EPA) is finalizing approval of a State Implementation Plan (SIP) revision submitted by the Commonwealth of Kentucky (Commonwealth), through the Energy and Environmental Cabinet (Cabinet) on October 15, 2020. The SIP revision updates the Commonwealth's regulation for the control of fugitive emissions. This revision contains minor non-substantive changes, grammatical edits, renumbering, the removal of one provision, the addition of one new requirement, and the incorporation of two definitions to support the new requirement.

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Mojave Desert Air Quality Management District (MDAQMD) and the Placer County Air Pollution Control District (PCAPCD) portions of the California State Implementation Plan (SIP). These revisions concern emissions of volatile organic compounds (VOCs) from metal coating operations and general regulatory definitions.