EPA proposed to update the portion of the outer continental shelf air regulations for which North Carolina is the designated corresponding onshore area.

EPA approved Texas’ revisions to its Public Water System Supervision program that adopted the Agency’s drinking water rules for the Revised Total Coliform Rule and Ground Water Rule.

SIP Proposal: California (emissions control of volatile organic compounds from processing, production, gathering, and separation of crude oil and natural gas, and transfer and storage of reactive organic compound liquids and petroleum material in the Ventura County Air Pollution Control District).

OSM approved, with two deferrals, an amendment to the Virginia regulatory program under SMCRA.

SIP Approval: Colorado (disapproval of revisions to reasonably available control technology requirements for the 2008 eight-hour ozone NAAQS in the Denver Metro/North Front Range nonattainment area).  

United States v. R.J. Torching, Inc., No. 23-CV-13056 (E.D. Mich. Dec. 4, 2023). Under a proposed consent decree, a settling CAA defendant must perform injunctive relief and pay a $150,000 penalty for violations of regulations that limit particulate matter pollution from the defendant’s torch-cutting operations in Flint and (previously) Battle Creek, Michigan. 

EPA proposed to establish new and revised human health water quality criteria for certain pollutants in the state of Florida. 

United States v. Chattanooga, City of, No. 1:12-cv-00245 (E.D. Tenn. Dec. 3, 2023). A proposed modification to an existing consent decree concerning a settling CWA defendant’s alleged violations with respect to the city's POTWs extends certain deadlines to achieve compliance with the consent decree while adding significant remedial projects that must be completed within five years. 

NMFS announced a 90-day finding on a petition to list spring-run Chinook salmon on the Washington Coast as endangered or threatened under the ESA, and to designate critical habitat for the species. 

SIP Approval: Louisiana (disapproval of revisions concerning excess emissions during periods of startup, shutdown, and malfunction).