FWS reopened the comment period on its October 18, 2022, proposed rule to list the Kern Canyon slender salamander and the relictual slender salamander under the ESA and to designate critical habitat, in order to allow opportunity for interested parties to comment on the new areas the Agency is considering for relictual slender salamander critical habitat, small changes to Kern Canyon slender salamander critical habitat, and updates to the physical or biological features for the Kern Canyon slender salamander.

EPA entered into a proposed administrative settlement under CERCLA for the recovery of past response costs concerning the Seerley Road Fire Site in Indianapolis, Indiana.

EPA finalized amendments to the new source performance standards for secondary lead smelters, and finalized the use of EPA Method 22 (Visual Determination of Fugitive Emissions From Material Sources and Smoke Emissions From Flares) as an alternative for demonstrating compliance with the opacity limit. 

SIP Proposal: Kentucky (stationary source emissions monitoring and reporting requirements for Jefferson County). 

SIP Proposal: New Hampshire (regional haze). 

EPA invited public comment to inform the domestic availability of multiple products used in the construction, alteration, and/or maintenance of water infrastructure. 

EPA entered into a proposed CERCLA §122(g)(4) de minimus landowner administrative settlement agreement for parties associated with the Fansteel Metals/FMRI Superfund site in Muskogee, Oklahoma. 

EPA announced the availability of and seeks comment on an Initial Regulatory Flexibility Analysis following the completion of a Small Business Advocacy Review Panel for the proposed New Source Performance Standards for Greenhouse Gas Emissions From New, Modified, and Reconstructed Fossil Fuel-Fired Electric Generating Units. 

United States v. Cleveland-Cliffs Burns Harbor LLC, No. 23-381 (N.D. Ind. Nov. 8, 2023). Under a proposed consent decree, a settling CERCLA defendant that allegedly released cyanide and ammonia into the East Branch of the Little Calumet River during an August 2019 incident, which led to beach closures, a fish kill, and other natural resource damages, must donate and conserve two approximately one-acre parcels of land bordering the East Branch of the Little Calumet River and near the Indiana Dunes National Park, pay $409,533 to the DOI Natural Resource Damage Assessment and Restoration Fund, and pay $590,173 to the governments for reimbursement of natural resource damages assessment costs.

EPA finalized amendments to the regulations that govern the processes and timelines for state and federal plans to implement emission guidelines under CAA new source performance standards for existing sources.