United States v. Dynegy Zimmer LLC, No. 1:20-cv-00071 (S.D. Ohio Jan. 28, 2020). A settling CAA defendant must, in connection with a coal-fired power plant that it owns and operates in Moscow, Ohio, undertake measures to address CAA violations and prevent future violations, implement a mitigation project and a supplemental environmental project, and pay a $600,000 civil penalty.

The Office of National Marine Sanctuaries initiated a review of the Stellwagen Bank National Marine Sanctuary management plan to evaluate substantive progress toward implementing the goals of the sanctuary and to make revisions to the management plan as necessary to fulfill the purposes and policies of the National Marine Sanctuaries Act. 

SIP Approval: Florida (revisions to source-specific sulfur dioxide (SO2) permit limits and redesignation for the Hillsborough-Polk 2010 one-hour SO2 nonattainment area to attainment and for the Mulberry SO2 unclassifiable area to attainment/unclassifiable).

SIP Approval: Washington (revisions to adoption by reference date for federal regulations cross referenced in state regulations, the definition of volatile organic compounds, public involvement procedures for the new source review air permitting program, and typographical errors).

SIP Approval: Arizona (revisions to regulations concerning volatile organic compound emissions from organic liquid and gasoline storage and transfer operations in Maricopa County).

EPA proposed to postpone the compliance deadlines for implementation of phase two of the NPDES Electronic Reporting Rule by three years and provide states with additional flexibility to request additional time as needed; the Agency also proposed to revise the rule to clarify existing requirements and eliminate some duplicative or outdated reporting requirements. 

EPA entered into a proposed settlement agreement under CERCLA for recovery of past response costs at a property in Neodesha, Kansas, owned by Airosol Company, Inc. 

EPA finalized amendments to NESHAPs for stationary combustion turbines based on the Agency's residual risk and technology review.

EPA found that 42 states and territories failed to submit state plans for the 2016 Emission Guidelines and Compliance Times for Municipal Solid Waste Landfills, which required states to submit plans to the EPA for review and approval by August 29, 2019.

The Centers for Disease Control and Prevention initiated a review of the Department of Health and Human Services list of biological agents and toxins that have the potential to pose a severe threat to public health and safety.