The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of New Hampshire. This submission revises previously approved transportation conformity criteria and procedures related to interagency consultation and enforceability of certain transportation-related control measures and mitigation measures. In addition, the revision continues to rely on the Federal rule for General Conformity. The intended effect of this action is to approve State criteria and procedures to govern conformity determinations.

The Environmental Protection Agency (EPA) is finalizing approval of State Implementation Plan (SIP) revisions submitted by the State of Georgia through the Georgia Environmental Protection Division (GA EPD) on July 2, 2020, and November 4, 2021, to address the base year emissions inventory requirements and emissions statements requirements for the 2015 8-hour ozone national ambient air quality standards (NAAQS) for the Atlanta, Georgia 2015 8-hour ozone nonattainment area (hereinafter referred to as the ``Atlanta Area'').

The Environmental Protection Agency (EPA) is proposing to fully approve the Limited Maintenance Plan (LMP) submitted by the State of Montana to EPA on August 6, 2021, for the Whitefish Moderate nonattainment area (NAA) for particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers (PM<INF>10</INF>) and concurrently redesignate the NAA to attainment for the 24-hour PM<INF>10</INF> National Ambient Air Quality Standard (NAAQS).

The Environmental Protection Agency (EPA) is finalizing a State Implementation Plan (SIP) revision to the Mecklenburg County portion of the North Carolina SIP, hereinafter referred to as the Mecklenburg Local Implementation Plan (LIP). The revision was submitted by the State of North Carolina, through the North Carolina Division of Air Quality (NCDAQ), on behalf of Mecklenburg County Air Quality via a letter dated April 24, 2020. The revision seeks to remove transportation facilities rules from the Mecklenburg County Air Pollution Control Ordinance (MCAPCO) rules incorporated into the LIP.