EPA proposed a regulation revising technology-based effluent limitations guidelines (ELGs) and standards for the steam electric power generating point source category applicable to flue gas desulfurization wastewater, bottom ash transport water, and combustion residual leachate at existing sources, and solicited comment on ELGs for legacy wastewater.
EPA promulgated corrections and updates for air emissions source testing under various rules.
FWS proposed to designate approximately 122,277 acres in Hawaii as critical habitat for 12 federally endangered species under the ESA.
SIP Proposal: California (disapproval of contingency measure requirements for the 2008 ozone NAAQS in the Sacramento Metro nonattainment area).
EPA found motor vehicle emissions budgets for the Coachella Valley in California adequate for transportation conformity purposes.
In re Betteroads Asphalt, LLC, No. 17-04156-ESL11 (Bankr. D.P.R. Mar. 21, 2032). Under a proposed CERCLA settlement agreement, EPA will have an allowed claim of $1,095,567 in connection with the PROTECO Superfund site in Penuelas, Puerto Rico.
SIP Proposal: California (limited approval and limited disapproval of revisions concerning nitrogen oxide emissions from industrial, institutional, and commercial boilers, steam generators, and process heaters in the Mojave Desert Air Quality Management District).
SIP Approval: Colorado (updated references to certain sections of the Code of Colorado Regulations and digitalization of public notice and comment procedures).
EPA finalized amendments to the new source performance standards for industrial surface coating of plastic parts for business machines pursuant to review required by the CAA.
United States v. ABF Freight System, Inc., No. 2:23-cv-02039-PKH (W.D. Ark. Mar. 20, 2023). A settling CWA defendant must pay a civil penalty of $535,000 and implement compliance measures at all freight terminals currently operated nationwide (except in the state of Washington) in connection with alleged violations at nine freight terminals.