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89 FR 11831

EPA seeks comment on its proposal to update fine particulate matter (PM) data from T640/T640X PM mass monitors. 

89 FR 11198

EPA made corrections and clarifications to the new source performance standards for electric arc furnaces and argon-oxygen decarburization vessels in the steel industry. 

89 FR 9866

United States v. Lowell, Massachusetts, City of, No. 1:24-cv-10290 (D. Mass. Feb. 5, 2024). Under a proposed consent decree, a settling CWA defendant that allegedly engaged in unpermitted and illegal discharges from its wastewater collection system and small municipal separate storm sewer system must take measures necessary to achieve and maintain compliance and pay a $200,000 civil penalty for past noncompliance.