EPA updated the regulatory framework governing the management and protection of environmental, fish and wildlife, other surface resources, and special areas in the National Petroleum Reserve in Alaska.

EPA finalized amendments to NESHAPs for the coal- and oil-fired electric utility steam generating units source category.

SIP Approval: Nevada (nonattainment new source review requirements for the 2015 ozone NAAQS for Clark County Department of Environment and Sustainability). 

EPA made an interim final determination that the California Air Resources Board has submitted a revised rule and has also submitted revised rules on behalf of the San Joaquin Valley Unified Air Pollution Control District, Ventura County Air Pollution Control District, and South Coast Air Quality Management District that correct deficiencies in its CAA SIP provisions concerning ozone nonattainment requirements for controlling volatile organic compounds at crude oil and natural gas facilities. 

SIP Proposal: California (revisions concerning emissions of volatile organic compounds from crude oil and natural gas facilities). 

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. 

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. 

CEQ finalized its “Bipartisan Permitting Reform Implementation Rule” to revise its regulations for implementing the procedural provisions of NEPA.