The Environmental Protection Agency (EPA) is proposing to approve a revision to the Feather River Air Quality Management District (FRAQMD or ``District'') portion of the California State Implementation Plan (SIP). This revision concerns emissions of volatile organic compounds (VOCs) from surface preparation and clean-up operations. We are proposing to approve a local rule to regulate these emission sources under the Clean Air Act (CAA or the ``Act''). We are taking comments on this proposal and plan to follow with a final action.

The Environmental Protection Agency (EPA) is proposing approval of revision to the Kansas State Implementation Plan (SIP), submitted by the Kansas Department of Health and the Environment (KDHE) on December 9, 2020. The proposed revision removes the Kansas City, Kansas seven pounds per square inch Reid Vapor Pressure (RVP) Fuel requirement which required gasoline sold in the Kansas City, Kansas area to have a seven pounds per square inch Reid Vapor Pressure from June 1 to September 15.

The U.S. Environmental Protection Agency (EPA) is proposing amendments to the National Emission Standards for Hazardous Air Pollutants (NESHAP) for the Carbon Black Production major source category. The proposal addresses the results of the residual risk and technology review (RTR) for this source category as required under the Clean Air Act (CAA). The proposed amendments address hazardous air pollutant (HAP) emissions that occur after the main unit filter of a carbon black production unit, as well as emissions from boilers and process heaters.

The Environmental Protection Agency (EPA) is proposing to approve, or conditionally approve, all or portions of a state implementation plan (SIP) revision submitted by the State of California to meet Clean Air Act (CAA or ``Act'') requirements for the 2008 8-hour ozone national ambient air quality standards (NAAQS or ``standards'') in the Nevada County (Western part), California ozone nonattainment area (``Western Nevada County'').