SIP Approval: Tennessee (revisions related to excess emissions during startup, shutdown, and malfunction events).

FERC directed the North American Electric Reliability Corporation to develop a new or modified reliability standard to address reliability concerns pertaining to transmission system planning for extreme heat and cold weather events that impact the reliable operation of the bulk-power system.

EPA updated the list of chemicals subject to toxic chemical release reporting under EPCRA and the Pollution Prevention Act, identifying nine per- and polyfluoroalkyl substances that must be reported.

SIP Proposal: Rhode Island (revisions to provide consistency with NESHAPs for halogenated solvent cleaning).

NMFS announced its 90-day finding on a petition to list bull kelp as an endangered or threatened species under the ESA, finding that listing was not warranted.

EPA announced the start of the 2024 submission period for the TSCA Chemical Data Reporting rule.

United States v. Suffolk, County of, No. 23-CV-4369 (E.D.N.Y. June 14, 2023). Settling SDWA defendants must close prohibited large capacity cesspools and motor vehicle waste disposal wells in accordance with a specified timetable in connection with violations of relevant regulations.

EPA announced a proposed administrative settlement agreement under a proposed prospective purchaser agreement pursuant to CERCLA and RCRA concerning the Buick City site in Flint, Michigan.

SIP Proposal: Ohio (attainment plan for the 2010 primary, health-based one-hour sulfur dioxide NAAQS for the Muskingum River nonattainment area).

SIP Approval: Virginia (revisions pertaining to state regulatory changes affecting startup, shutdown and malfunction).