NMFS proposed to issue protective regulations under §4(d) of the ESA for the conservation of the threatened oceanic whitetip shark. 

NOAA approved a boundary expansion for the Narragansett Bay National Estuarine Research Reserve in Prudence Island, Rhode Island, under the CZMA.

NOAA approved a boundary expansion for the South Slough National Estuarine Research Reserve in Charleston, Oregon. 

DOE announced the availability of the preliminary list of potential national interest electric transmission corridors, the designation of which would focus public and policymaker attention on the areas of greatest transmission need and unlock valuable federal financing and permitting tools to advance transmission development.

EPA finalized a CWA regulation to revise the technology-based effluent limitations guidelines and standards for the steam electric power generating point source category applicable to flue gas desulfurization wastewater, bottom ash transport water and legacy wastewater at existing sources, and combustion residual leachate at new and existing sources. 

EPA designated two per- and polyfluoroalkyl substances (PFAS)—perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS), including their salts and structural isomers—as hazardous substances under CERCLA. 

EPA established requirements for legacy coal combustion residuals (CCR) surface impoundments, as well as CCR management units at active CCR facilities and at inactive CCR facilities with a legacy CCR surface impoundment. 

NMFS announced the initiation of a five-year review for the non-U.S. distinct population segment of smalltooth sawfish under the ESA. 

EPA withdrew from Agency regulation and management two designated ocean dredged material disposal sites, the Nome East and Nome West Sites, located near Nome, Alaska, pursuant to the Marine Protection, Research, and Sanctuaries Act.

NMFS proposed to modify the regulations for Marine Mammal Protection Act §104 permits, including scientific research, enhancement, photography, and public display permits and letters of confirmation.