EPA proposed revisions to the preconstruction permitting regulations that apply to modifications at existing major stationary sources in the new source review program under the CAA. 

FWS established a nonessential experimental population of the grizzly bear within the U.S. portion of the North Cascades Ecosystem (NCE) in the state of Washington under §10(j) of the ESA in order to support the reintroduction, recovery, and conservation of the species within the NCE. 

United States v. Sunoco Pipeline, L.P., No. 1:24-cv-00238-SJD (S.D. Ohio Apr. 29, 2024). Under a proposed consent decree, a settling CWA defendant must pay a civil penalty of $550,000 in addition to $1,250,000 to compensate for harm to natural resources in connection with crude oil escaping from a ruptured pipeline, contaminating waters of the United States, and causing damage to natural resources.

EPA entered into a proposed settlement agreement under the CAA in Nevada Cement Co., LLC v. EPA, Nos. 23-682 and 23-1098 (9th Cir.), that would establish a process and deadlines by which plaintiff would apply to EPA for a case-by-case emissions limit request for its Fernley, Nevada, facility, in exchange for agreeing to lift a judicial stay. 

SIP Approval: New Hampshire (revisions to establish nitrogen oxide reasonably available control technology requirements for coal-fired cyclone boilers). 

SIP Proposal: California (revisions to San Diego County Air Pollution Control portion of plan to expand existing provision that exempts tub grinders and trommel screens that process green material from permit requirements to include horizontal grinders and processing of mixtures of green material and food material). 

EPA announced the availability of proposed interim registration review decisions and amended decisions for the following pesticides: Acephate, Captan, Ferbam, Thiram, and Ziram. 

SIP Approval: New Hampshire (amendments to motor vehicle inspection and maintenance program regulation).