EPA established requirements for legacy coal combustion residuals (CCR) surface impoundments, as well as CCR management units at active CCR facilities and at inactive CCR facilities with a legacy CCR surface impoundment. 

NMFS announced the initiation of a five-year review for the non-U.S. distinct population segment of smalltooth sawfish under the ESA. 

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

The U.S. Sentencing Commission announced that it has promulgated amendments to the sentencing guidelines, policy statements, commentary, and statutory index.

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

The Internal Revenue Service finalized regulations regarding federal income tax credits under the Inflation Reduction Act for the purchase of qualifying new and previously-owned clean vehicles. 

EPA announced the availability of proposed interim registration review decisions for bromine, and proposed final registration review decisions for agrobacterium radiobacter, polybutene resins, and porcine zona pellucida. 

EPA withdrew from Agency regulation and management two designated ocean dredged material disposal sites, the Nome East and Nome West Sites, located near Nome, Alaska, pursuant to the Marine Protection, Research, and Sanctuaries Act.

EPA finalized amendments to the procedural framework rule for conducting risk evaluations under TSCA to better align with the statutory text and applicable court decisions, to reflect the Agency's experience implementing the risk evaluation program following enactment of the 2016 TSCA amendments, and to allow for consideration of future scientific advances in the risk evaluation process without need to further amend the Agency's procedural rule.

NMFS proposed to modify the regulations for Marine Mammal Protection Act §104 permits, including scientific research, enhancement, photography, and public display permits and letters of confirmation.