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88 FR 72476

EPA entered into a proposed consent decree under the CWA in Arizona Mining Reform Coalition v. Guzman (D. Ariz.) that would obligate EPA to establish copper and lead TMDLs for Queen Creek, Arizona, by July 31, 2028, unless the Arizona Department of Environmental Quality first establishes and submits them to EPA by January 31, 2027.

88 FR 71855

EPA announced the availability of final registration review decisions for the following chemicals: Citric acid and salts, and linalool. 

88 FR 71856

EPA announced the availability of proposed interim registration review decisions for bromine, chlorothalonil, and triadimefon, and proposed final registration review decisions for Agrobacterium rodiobacter and porcine zona pellucida.

88 FR 71853

EPA announced the availability of preliminary work plans for the following chemicals: Aureobasidium pullulans and cyflumetofen. 

88 FR 71360

EPA announced a 60-day public comment period associated with the release of the draft Integrated Risk Information System toxicological review of inorganic arsenic.

88 FR 70516

EPA finalized reporting and recordkeeping requirements for per- and polyfluoroalkyl substances under TSCA.

88 FR 69235

United States v. Hamilton County Water and Wastewater Treatment Authority, No. 23-cv-00225 (E.D. Tenn. Sept. 29, 2023). Under a proposed consent decree, a settling CWA defendant that allegedly discharged to waters of the United States without an NPDES permit and violated the operations and maintenance conditions of its NPDES permit must perform injunctive relief and pay a civil penalty of $598,490.

88 FR 68672

United States v. Waco Oil & Gas Co., Inc., No. 23-cv-00078 (N.D.W. Va. Sept. 28, 2023). Under a proposed consent decree, a settling CWA defendant that discharged pollutants without a permit into waters of the United States must restore impacted areas, perform mitigation, and pay a civil penalty.

88 FR 66897

United States v. Mount Vernon, No. 18-5845 (S.D.N.Y. Sept. 19, 2023). Under a proposed consent decree, a settling CWA defendant must take steps necessary to bring its municipal separate storm sewer system into compliance and pay a $100,000 civil penalty.

88 FR 66558

EPA revised and replaced the 2020 regulatory requirements for water quality certification under CWA §401.