89 FR 41648
EPA finalized the residual risk and technology review conducted for NESHAPs for the primary copper smelting major source category.
89 FR 41319
SIP Approval: Kentucky (updates to definitions rule and certain incorporation by reference dates for the Louisville Metro Air Pollution Control District).
89 FR 41321
SIP Approval: Tennessee (revisions to continuous opacity monitoring system requirements).
89 FR 39798
EPA finalized multiple actions under §111 of the CAA addressing greenhouse gas (GHG) emissions from fossil fuel-fired electric generating units (EGUs), including the repeal of the Affordable Clean Energy Rule, emission guidelines for GHG emissions from existing fossil fuel-fired steam generating EGUs, and revisions to the new source performance standards for GHG emissions from new and reconstructed fossil fuel-fired stationary combustion turbine EGUs.
89 FR 38712
EPA updated the regulatory framework governing the management and protection of environmental, fish and wildlife, other surface resources, and special areas in the National Petroleum Reserve in Alaska.
89 FR 39304
EPA finalized technology reviews conducted for NESHAPs for gasoline distribution facilities and the review of new source performance standards for bulk gasoline terminals.
89 FR 39124
EPA designated two per- and polyfluoroalkyl substances (PFAS)—perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS), including their salts and structural isomers—as hazardous substances under CERCLA.
89 FR 38950
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.