EPA announced the availability of acute freshwater aquatic life screening values for 6PPD and its transformation product 6PPD-quinone. 

EPA entered into a CERCLA settlement agreement with LPC Holdings, Inc., concerning recovery of cleanup costs at the Aberdeen Contaminated Groundwater Superfund Site in Aberdeen, North Carolina. 

EPA proposed to enter into individual CERCLA settlements with seven additional parties concerning the recovery of cleanup costs at Bennett Landfill Fire Site in Chester, South Carolina. 

NOAA issued final regulations for the designation of the Lake Ontario National Marine Sanctuary in eastern Lake Ontario to recognize the national significance of the area’s historical, archaeological, and cultural resources and to manage this area as part of the National Marine Sanctuary System.

FERC proposed to amend regulations to clarify that for all proceedings before the Commission that require a water quality certification pursuant to §401(a)(1) of the CWA, the reasonable period of time during which the certifying authority may act on the water quality certification request is one year from the certifying authority’s receipt of the request.

The president issued Proclamation No. 10770 of May 31, 2024, proclaiming June 2024 as National Ocean Month.