EPA proposed to codify the definition of "parent company" for purposes of reporting to the Toxics Release Inventory. 

NOAA announced that the Deepwater Horizon federal natural resource trustee agencies for the regionwide trustee implementation group prepared the "Final Restoration Plan and Environmental Assessment 1: Birds, Marine Mammals, Oysters, and Sea Turtles" and FONSI in accordance with OPA, NEPA, and a consent decree with BP Exploration and Production Inc.

United States v. Enbridge Energy, Ltd. Partnership, No. 1:16-cv-914 (W.D. Mich. Sept. 15, 2021). A proposed sixth modification to a consent decree under the CWA and OPA revises certain established maximum operating pressure values, adds new provisions directly restricting operating pressures on pipelines subject to the consent decree, and requires the defendants to use new pipe wall thickness information to identify any additional features that meet consent decree dig selection criteria. 

The National Highway Traffic Safety Administration proposed revisions to the corporate average fuel economy standards for passenger cars and light trucks for model years 2024-2026 in the Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule for Model Years 2021-2026 Passenger Cars and Light Trucks.

NRC issued for comment draft regulatory guide DG-1392, "Site Characterization Investigations for Nuclear Power Plants."

DOE seeks input on technical and logistical pathways that would enhance the agency's biological and environmental research program portfolio in comparison to similar international research efforts.

FERC amended its regulations to incorporate by reference updates to business practice standards for interstate natural gas pipelines.

NRC discontinued a rulemaking activity that would have added a new part to the agency's existing regulatory framework specific to nuclear spent fuel reprocessing facilities. 

NRC announced the availability of and seeks comment on a draft regulatory guide, DG-1387, “Evaluating the Habitability of a Nuclear Power Plant Control Room during a Postulated Hazardous Chemical Release."

EPA amended the requirements in Subpart J of the National Oil and Hazardous Substances Pollution Contingency Plan (NCP) that govern the use of dispersants, other chemicals, and other spill mitigating substances when responding to oil discharges into waters of the United States.