FWS announced a 12-month finding on a petition to list the lake sturgeon as an endangered or threatened species under the ESA, finding that listing is not warranted at this time. 

The Mine Safety and Health Administration amended its existing standards to better protect miners against occupational exposure to respirable crystalline silica, a significant health hazard, and to improve respiratory protection for miners from exposure to airborne contaminants.

NMFS announced a 90-day finding that a petition to list the whitespotted eagle ray as a threatened or endangered species and to designate critical habitat concurrent with the listing does not present substantial scientific or commercial information indicating that the petitioned action may be warranted. 

FWS announced the updated planning policies for the National Wildlife Refuge System to incorporate landscape conservation plans and consideration of climate change and other anthropogenic forces in refuge management. 

NMFS announced its intent to conduct a five-year review of the endangered western distinct population segment of the Steller sea lion. 

The National Highway Traffic Safety Administration proposed to establish two new federal motor vehicle safety standards specifying performance requirements for all motor vehicles that use hydrogen as a fuel source. 

United States v. PPG Industries, Inc., No. 2:24-04771 (D.N.J. Apr. 11, 2024). Under a proposed consent decree, a settling CERCLA defendant must design and implement the components of the remedy selected for the Riverside Industrial Park Superfund Site in Newark, New Jersey, that relate to waste material, sewer water, soil gas, and soil/fill material; pay a total of $3,000,000 for past response costs; and pay for future response costs.

FWS revised regulations concerning the issuance of enhancement of survival and incidental take permits under the ESA. 

EPA entered into a proposed administrative settlement agreement under CERCLA for past response costs associated with the Chemical Recycling Inc., Superfund Site in Wylie, Texas. 

United States v. Abex Aerospace, No. 2:16-cv-02696 (C.D. Cal. Mar. 29, 2024). Under a third amendment to a proposed consent decree, additional settling CERCLA defendants must pay $20,500,000 toward cleanup of environmental contamination at the Omega Chemical Corporation Superfund Site in Los Angeles County, California.