SIP Proposal: Connecticut (source monitoring, recordkeeping and reporting requirements). 

EPA finalized maximum achievable control technology standards for mercury and revised emission standards for hydrogen chloride and hydrogen fluoride for NESHAPs for taconite iron ore processing. 

DOE notified interested parties of its intent to launch a Voluntary Carbon Dioxide Removal Purchasing Challenge. 

The Bureau of Ocean Energy Management proposed to hold offshore wind lease sales in the Gulf of Mexico for multiple lease areas using a multiple-factor bidding auction format.

EPA updated a portion of the outer continental shelf air regulations for which North Carolina is the designated corresponding onshore area. 

United States v. Kyocera AVX Components Corp., No. 1:24-cv-305 (W.D.N.Y.  Apr. 1, 2024). Under a proposed consent decree, a settling CERCLA defendant must perform remedial action at the Olean Wellfield Superfund Site in the City of Olean, the Town of Olean, and the Town of Portville, New York, and reimburse EPA for its past and future costs regarding the remedial action.

The National Aeronautics and Space Administration amended and updated its regulations for implementing NEPA, and incorporated updates to its categorical exclusions. 

SIP Proposal: Arizona (revisions concerning emissions of volatile organic compounds, nitrogen oxides, particulate matter, and sulfur oxides for the Maricopa County Air Quality Department).  

EPA made an interim final determination that the California Air Resources Board submitted a revised rule on behalf of the Antelope Valley Air Quality Management District and Mojave Desert Air Quality Management District that corrects deficiencies identified in its SIP provisions concerning rules submitted to address nonattainment fees for the 1979 one-hour ozone NAAQS. 

EPA amended specific provisions in the Greenhouse Gas Reporting Rule to improve data quality and consistency.