EPA published a statement of findings on new chemical substances or significant new uses that are not likely to present an unreasonable risk of injury to health or the environment for March 2024 under TSCA.

EPA announced the availability of its draft human health and/or ecological risk assessments for the registration review of 3-iodo-2-propynyl butylcarbamate and pyrimethanil. 

FWS determined endangered species status for the dunes sagebrush lizard under the ESA. 

EPA updated the list of chemicals subject to toxic chemical release reporting under EPCRA and the Pollution Prevention Act to identify seven per- and polyfluoroalkyl substances that must be reported pursuant to the National Defense Authorization Act for Fiscal Year 2020. 

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

The president issued Proclamation No. 10746 of May 2, 2024, expanding the boundaries of the San Gabriel Mountains National Monument.

The president issued Proclamation No. 10745 of May 2, 2024, expanding the boundaries of the Berryessa Snow Mountain National Monument.

BLM finalized a rule that applies land health standards to all Bureau-managed public lands and uses, codifies conservation tools to be used within FLPMA's multiple-use framework, revises existing regulations concerning designation and protection of areas of critical environmental concern, and provides an overarching framework to facilitate ecosystem resilience on public lands. 

EPA finalized a rule to address the unreasonable risk of injury to health presented by methylene chloride under its conditions of use under TSCA. 

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.