SIP Approval: Colorado (approval of revisions related to the 2008 eight-hour ozone NAAQS for the Denver Metro/North Front Range serious nonattainment area, and limited approval and limited disapproval of reasonably available control technology revisions).

EPA proposed to authorize changes to South Carolina’s hazardous waste management program under RCRA.

EPA authorized South Carolina’s changes to its hazardous waste management program under RCRA.

EPA seeks comment to inform the availability of zero emission technologies in the heavy-duty vehicle and port sectors to support development of potentially multiple funding programs under the Inflation Reduction Act of 2022.

The U.S. Geological Survey announced that it, in collaboration with Environment and Climate Change Canada and Mexico’s La Comisión Nacional para el Conocimiento y Uso de la Biodiversidad, will undertake a two-year regional assessment of biodiversity and climate change, culminating in the first-ever assessment report addressing these two challenges together for the United States, Canada, Mexico, U.S. territories, and Freely Associated States.

DOJ, on behalf of DOI, entered into a proposed settlement agreement under OPA that requires the settling party to pay $400,000 for past assessment costs and implementation of natural resource restoration projects related to the January 23, 2010, discharge of sour crude oil into the Sabine-Neches Waterway in the city of Port Arthur, Texas, at or from the T/V Eagle Otome as a result of its collision with the towboat Dixie Vengeance.

SIP Proposal: Florida (revisions to provisions that regulate emissions of sulfur dioxide, nitrogen oxides, and visible emissions for stationary source emission standard applicable to certain fossil fuel steam generators).

SIP Proposal: West Virginia (updates to incorporation by reference of NAAQS and associated monitoring reference and equivalent methods).

SIP Proposal: Florida (revisions concerning excess emissions during startup, shutdown, and malfunction events and source-specific sulfur dioxide and nitrogen oxide emission limits).

SIP Approval: California (revisions to provisions for clean fuels or advanced control technology for boilers for the 2015 ozone NAAQS in the San Joaquin Valley and Los Angeles–South Coast Air Basin nonattainment areas).