EPA announced the initiation of and seeks comment on the prioritization process for five chemical substances as candidates for designation as high-priority substances for risk evaluation under TSCA and related implementing regulations.

EPA announced the establishment of the Vector Expedited Review Voucher program, which will incentivize the development of new insecticides to control and prevent the spread of vector-borne disease. 

SIP Proposal: Kansas (disapproval of revisions concerning regional haze). 

SIP Proposal: District of Columbia (removal of requirements for gasoline vapor recovery systems installed on gasoline dispensers). 

SIP Approval: Ohio (second 10-year limited maintenance plans for the 2006 24-hour fine particulate matter NAAQS for the Canton-Massillon, Cleveland-Akron-Lorain, and Steubenville-Weirton Ohio-West Virginia maintenance areas). 

The Bureau of Indian Affairs proclaimed approximately 1,483.03 acres as an addition to the reservation of Pascua Yaqui Tribe.

SIP Approval: Georgia (removal of the 1971 annual and 24-hour ambient air quality primary standard for sulfur dioxide). 

United States v. Lowell, Massachusetts, City of, No. 1:24-cv-10290 (D. Mass. Feb. 5, 2024). Under a proposed consent decree, a settling CWA defendant that allegedly engaged in unpermitted and illegal discharges from its wastewater collection system and small municipal separate storm sewer system must take measures necessary to achieve and maintain compliance and pay a $200,000 civil penalty for past noncompliance. 

EPA proposed to approve a request from the New Jersey Department of Environmental Protection for the delegation of authority to implement and enforce the federal plan requirements for municipal solid waste landfills that commenced construction on or before July 17, 2014. 

EPA proposed to remove polytetrafluoroethylene from the current list of inert ingredients approved for use in food use and nonfood use pesticide products because it has been identified as a per- and polyfluoroalkyl substance that is no longer used in any registered pesticide product.